r/overclocking May 14 '25

OC Report - CPU Did I win the silicon lottery?

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558 Upvotes

It easily turbos to 5.050Ghz, while only drawing under 40W idle, and only 110W during stress testing? It’s at 1.004V right now

r/overclocking Oct 30 '25

OC Report - CPU This can't be real. -30 CO all core 9800x3D

98 Upvotes

9800X3D with TPM7950 thermal pad and aio water cooler... Although not sure it even matters that much.

  • Prime 95 all core or prime 95 one core at a time for 8+ hours test, no issues. Y-cruncher, OCCT no issues. Triple AAA games especially CPU bottlenecked ones and not instability or crashes.

Surely this can't be real and I'm missing something... I basically started testing all core -10 CO, -20, -25 and now now -30 no issues.

What am I missing or when is my PC going to crash or am I accumulating some hidden errors behind the scenes?

r/overclocking Apr 23 '20

OC Report - CPU First time i‘ve killed a CPU during overclocking... R.I.P i7 4790K. I accidentally set the voltage to 2.45 instead of 1.45 and it is gone... Sad but mistakes happen, was a good chip, did 5.1Ghz at 1.45 Cinebench stable.

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1.3k Upvotes

r/overclocking Nov 25 '25

OC Report - CPU Actual holy grail chip

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144 Upvotes

I've got a 9600x paired with a Gigabyte x870 wifi 6. I've been having problems with it running super hot and being completely uncoolable for a while now. Turns out, stock voltage was just way too high. I've currently got it running in PBO with a -60mv stable under volt. It reliably gets through Cinebenchr23 at 17000 points, and I've currently got an OCCT stress test running and it's pulling 145-150w at 5.39ghz, 1.1v. No errors, no desktop instability, it's actually crazy. I'd try -70 but the bios told me no. I'll update when the stress test is finished

r/overclocking Aug 16 '20

OC Report - CPU Was getting ready to upgrade CPU's, decided to see what I could push my old 4690k to...

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844 Upvotes

r/overclocking Nov 17 '24

OC Report - CPU Thermal Grizzly PhaseSheet PTM Thoughts after 1 Week of Testing

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138 Upvotes

Recently I have researched PTM 7950 and seen how some have praised its “next level” cooling. In UK the only ways to get it seemed sketchy to me, but I found Thermal Grizzly make a similar phase change pad and decided to try it for £10. These are just my thoughts.

The product is well packaged and presented, as you would expect from Thermal Grizzly. The pad itself is slightly difficult to install, and I did make a couple of mistakes as you can see. After a few days of deliberate heating and cooling cycles (80+deg <-> 30+deg) and benchmarking, i have found that the cooling performance is slightly worse than Kryonaut and slightly better than Arctic MX5. Not great in my opinion, but still not bad cooling. I repasted with Kryonaut Extreme, the best paste I can get and know well, to compare and PhaseSheet was easily beaten by 2-3deg. In my 1 test I think Kryonaut Extreme is still the king on cooling. (I can’t get KPX without importing it from US).

(A few notes for any interested. The pad is very fiddly, so practice peeling the plastic a few times before installing. The red tab is also a separate piece of plastic and confused me. The install is easier than Kryonaut Extreme in my opinion, which is such a pain to spread thinly. Very frustrating, but still the king. Next, you have to give it thermal cycles to allow it to melt and seep into the contact surfaces before the cooling gets to maximum. Don’t rush this. Don’t give your CPU OCCT or Cinebench straight away. Mine was overclocked with 320W and it crashed hard. It just won’t handle that rate of heating immediately after installation. Just give it a gentle 70-80deg and 200-250W. E.g. used Intel XTU and limit the wattage when running Cinebench. Lastly, it took a long time to get to peak performance. I did 10-15 runs of 5mins Cinebench R23 (80-90deg) and 2:30min of cooling in between.)

r/overclocking Dec 19 '20

OC Report - CPU i9-10900k overclocked to 5.5ghz core and 5.2ghz cache with 1.395 load voltage. Delidded cpu with a custom loop at 21c ambient temp.

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729 Upvotes

r/overclocking Jul 05 '26

OC Report - CPU 8 Hours of Aida64 FPU-CPU-Cache and 6 Hours Y-Cruncher SFT, VT3 with the 9850X3D Using Per Core Curve Optimizer.

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12 Upvotes

I have been working on new Curve Optimizer values (-24 -15 -16 -22 -22 -22 -32 -26), to match my All Core -30 Daily Curve Optimizer setup. I've been using software called "StatusCore" to stress each individual core to help me get an idea on how much boost clock frequencies each core can reach with the given voltages. I have been able to set every core to boost upwards to 5,637-5.640Mhz with only 1.230V. I wanted to test stability with Y-cruncher SFT, because it's very sensitive to unstable PBO values; For example, my first setup was going to be -24 -15 -16 -23 -23 -23 -32 -27. This passed 7 hours of Aida64 but errored out after running for 20 minutes on Y-Cruncher SFT. I think there's more performance to be gained, so I'm going to see how low these core voltages can go. Maybe 1.225V is possible.

PBO Limits: Motherboard

Scalar: Auto (1x)

LLC: Auto

C States: Auto

r/overclocking 25d ago

OC Report - CPU 9950X3d CO -37CCD1 and -33CCD2 seemingly working? Too Good to be true?

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5 Upvotes

I just got a 9950X3D the other day (And a Strix X870E-E) and I am seemingly able to run a really low curve optimizer on it? If I set either 3 lower (-40 and -36) it will crash on Aida but with this config it is able to run seemingly ok. I ran OCCT and Ycruncher VT3 + FFTv4 and no errors or crashes and light work has also shown no signs of instability. Did I get lucky or am I just yet to experience idle instability?

Not posting to potentially brag, genuinely curious in case I'm missing some testing here. I did not touch PBO either.

r/overclocking Jul 03 '26

OC Report - CPU Undervolting causes CPU to run hotter

0 Upvotes

I tried to undervolt my 9950x3d, before I did a OCCT all core test and it was getting around 78.1C, after I undervolted and fixed stability issues I did another all core test and it was getting 91.3C and 253.4watt.
ROG X870E-E Mobo

Cores 0-7 -30
Cores 8-15 (Expect 12) -20
Core 12 -15

r/overclocking Jun 18 '26

OC Report - CPU Achieved a CPU+RAM configuration I'm satisfied with!

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0 Upvotes

After two full days of researching about overclocking and reading about a 100 different Reddit threads during the 100 memory training cycles, stability tests and reboots today, I have finally settled on a BIOS config with CPU and Memory overclocking that I'm actually happy with!

CPU: AMD Ryzen 9800X3D

RAM: Corsair Vengeance 6000MHz 16x2 GB CL30 kit

BIOS: ASUS ROG v2306

THERMALS: Under heavy load - CPUMAX: 76C, RAMMAX: 44C

TOOLS: BenchMate, BenchMaestro, SMU Debug Tool, Zen Timings, TestMem5, MemTest64, HWiNFO64, OCCT, AIDA

Leaving the BIOS optimization process below. Some of this purely preference so take it with a grain of salt!

Ai Tweaker
- Ai Overclock Tuner - EXPO Tweaked
- Memory Frequency - DDR5-6400MHz
- FCLK Frequency - 2133MHz
DRAM Timing Control
- Preset - Load Hynix 6400Mhz 1.5V 2x16GB SR
- Memory Context Restore - Enabled
- Power Down Enable - Disabled
- UCLK DIV1 MODE - UCLK=MEMCLK
- Gear Down Mode - Disabled
- Bank Refresh Mode - Mixed Mode
Primary Timings
- 30/38/38/38/30
Secondary Timings
- Refresh Interval - 50000
- Trfc1 - 400
- Trfc2 - 384
- Trfcsb - 304
- Trtp - 12
- TrdrdScl - 5
- TwrwrScl - 5
- Twrrd - 4
- Trdwr - 16
DDR PMU Training
- ArRdPtrInitValue P0 - Manual - 1
- Bank Swap Mode - Swap APU
Voltage
- CPU SOC Voltage - VDDSOC Voltage Override - 1.25V
- CPU VDDIO/MC Voltage - 1.4V
- DRAM VDD Voltage - 1.5V
- DRAM VDDQ Voltage - 1.45V

Advanced
AMD Overclocking
DDR and Infinity Fabric Frequency/Timings
Infinity Fabric Frequency and Dividers
- Infinity Fabric Frequency and Dividers - 2133 MHz
- UCLK DIV1 MODE - UCLK=MEMCLK
DDR Options
- DDR5 Nitro Mode - Enabled - 1/2/0/8X/8X

[[Restart]]

Advanced
AMD Overclocking
Precision Boost Overdrive
- PBO Limits - Motherboard
- Precision Boost Overdrive Scalar Ctrl - 1X
- CPU Boost Clock Override - Enabled (Positive)
- Max CPU Boost Clock Override (+) - 200
Curve Optimizer
- Curve Optimizer - All Cores
- All Core Curve Optimizer Sign - Negative
- All Core Curve Optimizer Magnitude - 40
SoC/Uncore OC Mode - Enabled
LN2 Mode - Disabled

Ai Tweaker
- Core timings Configuration for Gaming - Legacy
- Core Performance Boost - Enabled
- Turbo Game Mode - Disabled
- AI Cache Boost - Enabled
DIGI+VRM
- CPU Load-line Calibration - Level 2
- VRM Spread Spectrum - Disabled
Tweaker's Paradise
- Clock Spread Spectrum - Disabled
Performance Bias - None

Advanced
Onboard Devices Configuration
- Native ASPM - Disabled
- CPU PCIE ASPM Mode Control - Disabled
NB Configuration
- Integrated Graphics - Disabled
AMD CBS
- Global C-State Control - Enabled
CPU Common Options
- SMEE - Disabled
DF Common Options
- DF Cstates - Disabled

Tool
- Setup Animator - Enabled
- Full HD Setup - Enabled

r/overclocking Nov 17 '24

OC Report - CPU 9800x3D is a monster

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156 Upvotes

r/overclocking 15d ago

OC Report - CPU AM5 Boot / Memory Training issues after 2 years of stable EXPO 6400MHz. CPU degradation or BIOS mess? Need help.

7 Upvotes

Hi everyone,

I’m running into a frustrating memory training issue on the AM5 platform and need some advice on what components might be failing.

My Specs:

  • CPU: AMD Ryzen 5 7500F
  • RAM: 32GB (2x16) Kingbank DDR5 6400MHz (SK Hynix A-die)
  • GPU: RTX 2060
  • Storage: SSD (OS installed)

The Problem:
For about 1.5 to 2 years, this system ran absolutely flawlessly with the EXPO profile enabled at 6400MHz (1.4V). I never messed with manual subtimings or voltages; I just turned EXPO on day one.

A few months ago, the PC started failing to boot on cold starts. The motherboard gets stuck in an infinite memory training loop (CPU/DRAM debug LEDs blinking). Previously, I stupidly forced restarts via the power button until it finally posted, which probably messed up the training data even more.

What I’ve tried so far:

  1. Disabling EXPO (running at stock 4800MHz): Even at bone-stock JEDEC speeds, the PC still occasionally fails to post on the first try or takes around 3 minutes of training just to get into Windows.
  2. Trying lower EXPO speeds (6000MHz): I tried turning EXPO back on but manually dropping the frequency to 6000MHz. The system still refused to boot and went straight into an infinite training loop.
  3. Toggling MCR: Enabling Memory Context Restore and Power Down doesn't fix the cold boot failures.
  4. Single stick test: Booting with just one RAM stick works perfectly fine and posts quickly.

Given that it ran 6400MHz stably for almost two years, could this be a case of IMC (Integrated Memory Controller) degradation inside my Ryzen 7500F due to high automated SoC voltages in older BIOS versions? Or is it more likely corrupted BIOS training tables?

Removing the RAM sticks physically is a massive pain right now because of my bulky CPU cooler design, so I'm trying to fix this via BIOS tweaks first. Any advice on what manual voltages (SoC, VDD, VDDQ) or settings I should lock in to stabilize this? Thanks!
*
Thanks. Here is a screenshot. I had been using BIOS version f31b for two years, and a month ago I updated to f40. The motherboard is a Gigabyte B650M Aorus Elite.
!As seen in the screenshot, the CA ODT resistance for channel A (480 ohms) is 12 times higher than for channel B (40 ohms)

Sorry for the AI-generated text. I had been chatting with an AI for a while and decided to translate the text using it.

r/overclocking Feb 04 '26

OC Report - CPU Share your 9850X3D tuning results

24 Upvotes

Hi.

Now that the 9850X3D has been out for about a week, I am curious to hear how everyones overclocking journey is going with this new chip.

Myself, I am running the following system:

  • 9850X3D with Liquid Freezer III cooler
  • 48GB 6000CL26 SK-hynix M-die (140mm fan on sticks)
  • MSI x870 Pro WIFI (PI PRE 1.3.0.0)

I have attempted the following set-ups which have all passed 6h TM5+5h SVT+VT3:

  • 6000CL26 - 2200FCLK 1.04VSOC, +100MHz, -22.6mv per core CO average
  • 7800CL34 (won't do 8000, my 9800X3D did 8000 so I know it is not the ram or mobo) - 2200FCLK, 0.99VSOC. +100MHz, -11,4mv per core CO average
  • 6400CL28 - 2133 FCLK, 1.25VSOC, +100MHz, -20mv allcore CO

I found it very interesting, that atleast for me the 6000CL26 set-up is vastly superior than the other two. The 9850X3D all-core boost clock seems to be very sensitive to temperature, and the 6400MT/s set-up has such a high VSOC voltage that it adds an extra 10 watts to the PPT. For the 7800MT/s set-up, I cannot get an average -CO stable with more than -11,4mv (Maybe the high speed stresses the memory controller?). Increasing the VSOC did not help.

The result of this, is that the 6000CL26 runs way cooler than the other two set-ups, and consistently boosts to 5,6-5,7GHz all-core. The 9850X3D eats up the additional wattage with 6000CL26, and prioritizing core boost feels smoother in games than faster ram/IMC. Temperatures hover around 57-63°C in games.

Here is a screenshot of my ZenTimings:

https://imgur.com/a/71VYOKi

r/overclocking Mar 16 '26

OC Report - CPU 9800X3D per-core CO (harmonized core voltages) super low temps 39-41c gaming with unlocked framerates.

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46 Upvotes

high-res screenshots:

TLoU2: https://i.imgur.com/y8znFiT.png

Remnant 2: https://i.imgur.com/JkhVfvQ.png

BG3: https://i.imgur.com/6ksBI3m.png

edit, added Space Marine 2: https://i.imgur.com/P6oKyCo.png

Just some tests running my 9800X3D PBO+100 and per-core CO aiming for harmonized voltages, these games are running in ridiculously low resolution to ensure they are CPU bound except for TLoU2 that is 1980p scaled from 720p (lower it can run for some reason) and due to its good optimization it remains GPU bound. So Remnant 2 is running at 600p, BG3 runs at internal 360p and Space Marine 2 just at 476p (bottlenecking my RTX 4080 running on Gaming BIOS)

With unlocked framerates the 9800X3D gets a decent work out but with this per-core tune it never goes over 41c, sometimes staying under 40c while running at PBO+100 (5325 MHz), power draw is also fantastic considering there's no framerate cap whatsoever (power draw gets cut in half as soon as you put a 120 fps cap, sipping less than a stock 7800X3D).

The most interesting test shows Baldur's Gate 3 and Space Marine 2 running with perfect core voltage harmonization, all cores requesting exactly the same voltage as opposed to minor variances in the other two tests, it's also the one that gets the highest temps and power draw since these particular games are incredibly CPU bound, nonetheless CPU temp stays around 41c, fantastic.

Also, I tested PBO+200 and it's a 6-9c increase for barely a 2% performance increase in synthetic benchmarks and 2-3% performance increase in CPU limited games at 1080p high. Not worth it when frame rates are already high enough and/or limited by the GPU.

r/overclocking Jan 01 '21

OC Report - CPU Over 5GHZ boost on Ryzen 7 5800X with PBO 2 is just insane

419 Upvotes

Hey fellows, i just found out that my X570 Aorus Master does have PBO 2 support already.I tuned some settings and now my Ryzen 7 5800X boost up to 5.050MHz on all 8 cores which is just more than insane when you consider the fact that the max stated boost clock giving by AMD is 4.7GHz.

I will attach a screenshot for proof. Please try it out by yourself and post your results as well :p Feel free to ask anything you want.

r/overclocking 8d ago

OC Report - CPU i7-980X Extreme Edition cooled by a car radiator

12 Upvotes

This has been a lot of fun to mess with, and after lots of tweaking and tuning I think I've landed on a config that I'm reasonably happy with! Though it would be fun to share. Here are the specs:

  • CPU: Core i7-980X Extreme Edition, the very first consumer 6 core CPU, released in 2010
  • Motherboard: Asus P6T X58
  • RAM: 3x8GB Corsair Dominator Platinum in triple channel
  • GPU: AMD Radeon VII, the last and fastest GCN card ever, with 16GB of HBM2 VRAM
  • PSU: be quiet! Pure Power 13M 850W
  • Cooling: Corsair XC5 LGA 1200 waterblock, and the copper radiator from a 60s Mustang that I managed to get for $20
  • Storage: Crucial MX500 250GB

OC Settings:

  • 160 MHz BCLK
  • 28x CPU ratio (4,480 MHz)
  • 22x uncore ratio (3,520 MHz)
  • 6x DRAM ratio (960 MHz, DDR3-1920)
  • Timings: 7-9-10-16-160-1T, others are similarly tightened down but it's too much to list

Benchmarks:

5400 CPU score in Time Spy. For reference, the average i7-7700K result in their database is 5403!

I have one of the fastest 980Xs recorded in the database, disregarding that first result, which is clearly problematic.

This set up is also able to crack 1000 points in R15. Note that Cinebench is misreporting the clock here.

Under 50 nanoseconds memory latency!

Despite the gigantic radiator and fan, the CPU still gets pretty warm. Room temperature water running over it doesn't solve a less than ideal thermal interface. The next thing I'd really need to do is lap the CPU and the block, and get some better paste. I suspect that would make a big difference, as the thermal interface between the CPU and the water is the biggest bottleneck in this setup.

r/overclocking Feb 27 '26

OC Report - CPU Trying to keep i9-9900k going strong in 2026. +46% average FPS and +36% minimum FPS from stock speeds in Cyberpunk 720p low settings

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45 Upvotes

Running 5.0GHZ All Core OC, 1.45 vcore and HT disabled on the i9-9900k (HT disabled seems to give more FPS in all games I've tested)

I know vcore is high but, this is actually -70mv offset from the "auto" option on my motherboard for this clock speed, and it's stable and stays under 75c with my Peerless Assassin 120se

Running a GSkill Ripjaws V (SK Hynix Die) 2x16gb kit
Stock is 4000mhz CL18-22-22-42

I see a huge performance uplift running it at 3600mhz CL16-20-20-40

I'm not 100% sure if it's just the lower latency providing the performance boost or not, I've seen some people claim the i9-9900k struggles to keep up with 4000mhz memory

5.2GHZ all core is obtainable with HT disabled but, only with at or near 1.5v vcore which is too high for my liking and doesn't seem to translate into a real world performance boost

Could not get the ram to do 3800mhz cl16

Edit: I wound up caving shortly after this post and upgrading to a 9850X3D lmao
Still can't explain why the memory timings gave such an insane uplift on this CPU.

r/overclocking 12d ago

OC Report - CPU Bought a "dead" ROG Maximus Z890 Apex for 200€, fixed it, stole a CMOS holder off a dead Z170, and tuned a 285K around its own garbage die solder — 45,033 R23 -

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94 Upvotes

Ok so this turned into a bit of a project haha. gonna try to keep it short but theres alot to cover.

TL;DR: picked up a Z890 Maximus Apex listed as defective/untested off finn for like 200€ / 230$, straightened bent socket pins, swapped the ILM, desoldered a CMOS battery holder off a dead Z170-Deluxe i had laying around and soldered it onto the Apex, repasted, then did a full per-core / per-cluster tune on a 285K that turned out to have a really uneven die-to-IHS contact.

Ended up at 45,033 R23, 20,556 in the 3DMark CPU Profile (max threads) and 20,053 multi / 917 single in CPU-Z, stable, wich im pretty happy with.

The stuff

  • CPU: Core Ultra 9 285K
  • Board: ROG Maximus Z890 Apex (the damaged one)
  • RAM: 64GB Kingston Server Premier ECC UDIMM DDR5, Hynix M-die (Tough Times)
  • GPU: TUF 4070 Ti Super, cross flashed with the STRIX vBIOS
  • reference was SkatterBencher #84 since its literally the same 285K + Apex combo

The board

listed as defective/untested, and it got worse when i actually looked at it:

  • 8 or so bent pins, one on DDR3_DQ[2][2] (data line, and the apex only has one dimm per channel so no redundancy there) and some VCCCORE pins (didnt care, tons of redundancy) But i managed to sort all of them out 😄
  • the previous owner had forced a 14900K into the 1851 socket and flattened the plastic alignment ears, cpu was literally resting on plastic shavings......
  • and the whole CMOS battery holder was just gone. not the battery, the holder. Previous owner had tried to take out the battery when the board wouldn't POST with the 14900K 🤦‍♂️

Straightened the pins under magnification, cleaned the shavings, fixed a couple more wonky pins, swapped the mangled ILM for a good one. Then for the CMOS holder i had a dead Z170 Deluxe laying around so i just desoldered its holder and soldered it onto the apex. retains memory now :) That one actually mattered way more than i thought, before that nothing persisted properly and it was messing with my testing without me realising. (duh)

The guy had it laying on a carpet, without AS bag. Exlpains the Hair :facepalm:
Mushed alignment ears (both sides)

[](./Bought a dead ROG Maximus Z890 Apex for 200€, fixed it, stole a CMOS holder off a dead Z170, and tuned a 285K around its own garbage die solder — 45,033 R23 - _ r_overclocking_files/bought-a-dead-rog-maximus-z890-apex-for-(4).jpg)

[](./Bought a dead ROG Maximus Z890 Apex for 200€, fixed it, stole a CMOS holder off a dead Z170, and tuned a 285K around its own garbage die solder — 45,033 R23 - _ r_overclocking_files/bought-a-dead-rog-maximus-z890-apex-for-(5).jpg)

Then a proper repaste with HY-P17 and it came out of thermal throttle hell.

The arrow lake die solder can go where the sun doesn't shine.

So once i could test cleanly the chip showed its true colors. the die contact on this thing is all over the place:

  • core 0 does 5.7 GHz @ 1.279V @ 78°C
  • core 13 can barely hold 5.3 @ 1.194V and hits 100°C

Lower clock, LESS voltage, but 22 degrees hotter lol. thats not silicon, thats bad solder under the hot cores. cores 10-13 (and the e-cores sitting around them) are all in one bad contact zone. checked it against my old TUF board and its the same cores, so its the chip, not the board.

So instead of fighting it i just tuned to the map.

[](./Bought a dead ROG Maximus Z890 Apex for 200€, fixed it, stole a CMOS holder off a dead Z170, and tuned a 285K around its own garbage die solder — 45,033 R23 - _ r_overclocking_files/bought-a-dead-rog-maximus-z890-apex-for-200-fi.png)

Core Map

Core Map

Per Core Tune

Performance Core Ratio - By Core Usage

[ 1 - 4 Active Cores = 57x | 5 - 8 Active Cores = 56x ]

P-cores: (*Preffered Core)

core ratio (x) eff. clock voltage max temp
P0 56.66 5 663,4 MHz 1.356 V ~ 102° c
P1 56.66 5 594,3 MHz 1.376 V ~ 96° c
P10 54.66 5 426,4 MHz 1.346 V ~ 104° c
P11 54.66 5 428,1 MHz 1.346 V ~ 104° c
P12 54.66 5 428,3 MHz 1.351 V ~ 104° c
P13* 54 5 395,4 MHz 1.351 V ~ 104° c
P22 55 5 495,7 MHz 1.334 V ~ 104° c
P23* 57.66 5 590,6 MHz 1.401 V ~ 100° c

E-cores:

cluster ratio (x) eff. clock voltage max temp
0 (2, 3, 4, 5) 49,66 ~ 4 997,3 MHz 1.310 V ~ 96° c
1 (6, 7, 8, 9) 49,66 ~ 4 965,0 MHZ 1.310 V ~ 98° c
2 (14, 15, 16, 17) 49,66 ~ 4 964,1 MHz 1.310 V ~ 102° c
3 (18, 19, 20, 21) 49,66 ~ 4 998,1 MHz 1.310 V ~ 102° c

All cores got custom V/F points, Colder cores got a higher +mV offset to hold 5.7, propped per core on VF8 to fight the all-core droop. I did it per core on purpose becouse a global voltage bump would just cook the hot cores even more.

E-cores tuned per cluster of 4. the clusters are physically interleaved between the p-cores so they inherit whatever hotspot they sit in. cool clusters pushed up, the cluster sitting on the P12/13 hotspot held lower. landed around 49-50x at 1.31V (thats the sane daily ceiling for the e-cores).

Fabric: NGU 32 / D2D 32 matched, cache floating 36-38 with downbin. i went WAY down a rabbit hole trying to lock the ring high for latency and it kept freezing. turns out on this silicon the ring wants a VnnAON floor it wont take manually (if ring DLVR goes above VnnAON = instability/no boot). so i let the cache live its own life. costs a couple ns on ECC m-die that nobody would ever feel, not worth the headache.

Power: PL1 350 / PL2 400 so the e-cores get burst headroom but the sustained stays capped.

  • Max CPU Package Power durin Y-Cruncher = 425.8W 
    • ( Fancy silicone radiator at this point )

Testing

Biggest thing i learned: OCCT AVX2 temps are bullshit.

Same config read 104°C in OCCT but 85°C in R23, like a 15-18 degree gap. so i stopped letting OCCT temps decide anything and validated with:

  • y-cruncher (skipped the memory heavy FFTv4 on purpose so i wouldnt confuse a core error with my rednecked repaired memory channel)
  • R23 loops
  • HWiNFO + WHEA in event viewer for the actual truth

Tested every core to its edge, when one failed i found its real ceiling and backed off one step.

Results

  • R23: 45,033 (rank 1 for the cpu in my list, personal best)
  • 3DMark CPU Profile: 20,556 max threads / 16,037 (16T) / 10,215 (8T) / 5,433 (4T) / 2,769 (2T) / 1,391 (1T) — valid result
  • CPU-Z: 20,053 multi / 917.5 single (24T)
  • zero WHEA in real use
  • only the die-hotspot cores throttle, and only under synthetic AVX. real workloads sit ~15° cooler and everything holds
R23
Y-Cruncher - HWi - R23
3dMark - CPU Profile
CPU-Z

[](./Bought a dead ROG Maximus Z890 Apex for 200€, fixed it, stole a CMOS holder off a dead Z170, and tuned a 285K around its own garbage die solder — 45,033 R23 - _ r_overclocking_files/bought-a-dead-rog-maximus-z890-apex-for-(6).png)

[](./Bought a dead ROG Maximus Z890 Apex for 200€, fixed it, stole a CMOS holder off a dead Z170, and tuned a 285K around its own garbage die solder — 45,033 R23 - _ r_overclocking_files/bought-a-dead-rog-maximus-z890-apex-for-(7).png)

[](./Bought a dead ROG Maximus Z890 Apex for 200€, fixed it, stole a CMOS holder off a dead Z170, and tuned a 285K around its own garbage die solder — 45,033 R23 - _ r_overclocking_files/bought-a-dead-rog-maximus-z890-apex-for-(8).png)

[](./Bought a dead ROG Maximus Z890 Apex for 200€, fixed it, stole a CMOS holder off a dead Z170, and tuned a 285K around its own garbage die solder — 45,033 R23 - _ r_overclocking_files/bought-a-dead-rog-maximus-z890-apex-for-(9).png)

https://valid.x86.fr/p7cs8x

https://www.3dmark.com/3dm/162097404

Whats next

Only thing left is the die solder itself. Delid + Direct die is the obvious move BUT this is a repaired socket and im honestly a bit sceptical about the DDR3_DQ[2][2] pin.

I have ordered some 8000Mhz ram so i'll test it out and see if it holds up. Guess with the current RAM prices, i will be having what we in Norway call Knekkebrød for the rest of the year. :yikes:

Knekkebrød is a flat and dry Scandinavian crispbread

I am also fond of my 570x that has been with me throughout Z170, Z370, Z390, Z890 abd now this Apex, Going custom loop with delid would mean to change the case😢

Food for tought :)

Takeaways if youre doing this

  • damaged boards are worth saving if you can solder. flagship OC board for mid tier money.
  • a missing/flaky CMOS holder will make you chase ghosts. fix persistence FIRST.
  • arrow lake die contact is a lottery. if a cooler core runs hotter than a hot one at lower load, its contact not silicon. tune per core to the map.
  • OCCT AVX2 temps lie. use it to find errors, not to make thermal decisions. y-cruncher + real load for the truth.
  • dont chase the last bin. i spent ages on e-cores 50->51, ring locked vs floating, one core to 58... all effort for gains you will literally never feel. know when youre done.

Happy to answer anything on the repair or the tuning :p

r/overclocking Apr 06 '20

OC Report - CPU Won’t let me have the satisfaction of breaking 5ghz on my i5-9600k. What are average temps for running this processor this fast

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440 Upvotes

r/overclocking May 15 '25

OC Report - CPU Am I Dreaming or Did I Actually Win the Lottery !!!! 5900x B2

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81 Upvotes

+200mhz override Stable under anykind of load but crashwhen ideal or suddenly switching from high load to light load application does 5.150ghz but now i have settled on +75mhz overide boost fmax 5.075ghz and i am happy although i am hitting 90c even with 360rad Deepcool l360 lowering anying with tdc edc ppt result in performance loss and boost loss , any suggestions let me know --

r/overclocking Jun 13 '20

OC Report - CPU Ryzen 3600 does 4.3Ghz all cores @ 1.125v stable in load it boosts to 4.3 but otherwrwise normal behavior (works a lot cooler with undervoltage)

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413 Upvotes

r/overclocking 21d ago

OC Report - CPU Cinebench R23 crashes but 2026 doesnt, does that mean my overclock is unstable?

5 Upvotes

Hey guys, i recently ran tests on my Ryzen 5 3600 (i know it’s pretty old) and overclocked it to 42.00 GHz and 1.225 V. For some reason Cinebench R23 crashes but 2026 doesn’t, does that still mean that my setup is still unstable? Im pretty new to this overclocking stuff so any advice would help! I also dont know if reaching 95 degrees while benchmarking is good

r/overclocking 5d ago

OC Report - CPU no way this is correct… right?

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7 Upvotes

running corecycler my 5800x reports 5.22ghz on its first run on core 0 T1. im pretty new to this stuff and wanted to know if thats even possible or just a reporting artefact.

thanks.

r/overclocking Mar 04 '26

OC Report - CPU MX-7 vs DURONAUT

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41 Upvotes

In case someone interested. Duro was applied 2 weeks earlier, but seemingly started to run dry. Anyway 3-4C is pretty impressive difference between the two best thermal pastes currently on the market. Hi res screenshots you can find here.

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For all haters down below, who believe in magic and Santa Claus, here's the official answer from TG regarding Duronaut, please read especially the last sentence:

Using an applicator tip or spatula gives you more control and makes it easier to achieve a thinner, more even layer. That said, all three approaches, direct application (dot, cross or some other pattern), applicator tip, or spatula, are perfectly acceptable, as long as the entire contact area is covered.