Question i9 10900k All core 5.1

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Aug 4, 2022
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how do i overclock a 10900k to 5.1 all core ive seen only Single Core Boost up to that high and i was wondering if a all core 5.1 can happen
 
Hey there,

Well, you can start by reading some guides on how to OC, properly.

This is a good start: CPU overclocking guide and tutorial for beginners | Tom's Hardware Forum (tomshardware.com)

Please list your system specs in full.

Why do you want to OC your CPU? It's pretty decent right out of the box, and unless you are chasing some benchmark scores, often OC's brings barely a few extra FPS at the downfall of stability. Most of the time it's not worth it with CPU's being able to extract their most with their boost algorithms already.
 
Oct 23, 2022
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how do i overclock a 10900k to 5.1 all core ive seen only Single Core Boost up to that high and i was wondering if a all core 5.1 can happen
depends on your motherboard
What I did with mine (MAG Z490 Tomahawk) is searched "overclocking with msi mag z490" on youtube and there was plenty of very thorough tutorials on how to properly overclock with my mobo.
Only gonna take like 5 minutes to learn everything you need.
If you have the same mobo i can send you the link to the vid i've watched.
 

zx128k

Reputable
Its quite involved getting most 10900k's to do all cores 5.1GHz for AVX loads. I have a SP63 chip that will do 5.2GHz all cores with an avx offset. The key to keeping them cool is water cooling and limiting the power draw. Limiting the power draw so you boost to your maximum all cores at around 200 watts and are stable but 300w+ loads like prime 95 small ffts will down clock the cpu. If you don't do this then you can get temps above 90c which you don't want. If you do it like I have then you will be below 70c in games at all time which is a safe temperature. You never want to be above 80c with an overclock and normal load (not prime 95 small ffts). Keep the LLC away from maximum as well. Don't go above 1.4volts and/or do this with a very high LLC.

If its done correctly you can run cinebench all day every day at your maximum frequency but will downclock to avoid 80c+ temps.

Rules I followed.
Avoid the top two LLC ranges.
Avoid above 1.4volts on the core.
Keep temps below 70c in games and below the maximum of 80c in everything but prime95 small ffts avx. It takes just over a hour to complete.
Limit power draw to something sane, like 270 watts. In BIOS you can set the short power to 4095 watts for 1 second and the long to 270 watts. This appears to be more stable than both at 270 watts on my board. Note prime 95 large ffts ith avx is 60c. Voltage die sense are all well below 1.3 volts. If you are 1.33 volts on the core die sense in prime 95 small ffts you need to reduce that fast.

10900K @ 5.2GHz up to 10 cores, 5.3GHz up to 6 cores, 5.4GHz up to 3 cores.
Vcore under heavy load @ 1.400V BIOS, 1.310V Socket Sense, 1.210V Die Sense.

Example of a correct 10900k overclock for a top binned cpu.

10900K @ 5.2GHz up to 10 cores, 5.3GHz up to 6 cores, 5.4GHz up to 3 cores.
Vcore under heavy load @ 1.400V BIOS, 1.310V Socket Sense, 1.210V Die Sense.
  • Ai Overclock Tuner: XMP II
  • AVX Instruction Core Ratio Negative Offset: 1
  • CPU Core Ratio: By Core Usage
    • Turbo Ratio Limit 0: 54
    • Turbo Ratio Cores 0: 3
    • Turbo Ratio Limit 1: 53
    • Turbo Ratio Cores 1: 6
    • Turbo Ratio Limit 2: 52
    • Turbo Ratio Cores 2: 10
  • Digi+ VRM
    • CPU Load-line Calibration: Level 3
  • Internal CPU Power Management
    • Long Duration Package Power Limit: 270
    • Short Duration Package Power Limit: 270
  • CPU Core/Cache Voltage: Manual Mode
  • CPU Core Voltage Override: 1.40
10900K @ 5.1GHz up to 10 cores, 5.2GHz up to 6 cores, 5.3GHz up to 3 cores.
Vcore under heavy load @ 1.375V BIOS, 1.290V Socket Sense, 1.190V Die Sense.
  • Ai Overclock Tuner: XMP II
  • AVX Instruction Core Ratio Negative Offset: 1
  • CPU Core Ratio: By Core Usage
    • Turbo Ratio Limit 0: 53
    • Turbo Ratio Cores 0: 3
    • Turbo Ratio Limit 1: 52
    • Turbo Ratio Cores 1: 6
    • Turbo Ratio Limit 2: 51
    • Turbo Ratio Cores 2: 10
  • Digi+ VRM
    • CPU Load-line Calibration: Level 3
  • Internal CPU Power Management
    • Long Duration Package Power Limit: 250
    • Short Duration Package Power Limit: 250
  • CPU Core/Cache Voltage: Manual Mode
  • CPU Core Voltage Override: 1.375
10900K @ 5.0GHz up to 10 cores, 5.1GHz up to 6 cores, 5.2GHz up to 3 cores.
Vcore under heavy load @ 1.350V BIOS, 1.270V Socket Sense, 1.170V Die Sense.
  • Ai Overclock Tuner: XMP II
  • AVX Instruction Core Ratio Negative Offset: 1
  • CPU Core Ratio: By Core Usage
    • Turbo Ratio Limit 0: 52
    • Turbo Ratio Cores 0: 3
    • Turbo Ratio Limit 1: 51
    • Turbo Ratio Cores 1: 6
    • Turbo Ratio Limit 2: 50
    • Turbo Ratio Cores 2: 10
  • Digi+ VRM
    • CPU Load-line Calibration: Level 3
  • Internal CPU Power Management
    • Long Duration Package Power Limit: 230
    • Short Duration Package Power Limit: 230
  • CPU Core/Cache Voltage: Manual Mode
  • CPU Core Voltage Override: 1.350
There is other ways to do this, like adaptive voltage and offsets but I have yet to try that (method Intel states as best but hard to get right). Load-line Calibration (LLC) doesn't need to be that high. The maximum on my board is LLC8 but I never go above LLC6. My current overclock is LLC6, power draw 270, vcore 1.335 volts in BIOS (never hit 1.3 vcore under any heavy load). Die sense in small ffts is 1.225 or there abouts. This is for 5.2Ghz all cores with a -1 avx offset. This keeps temps between 80-90c in small ffts but the cpu will run at maximum clocks for every other load. Prime 95 large ffts with avx is approx. 200 watts and approx. 60c currently. This runs at 5.1GHz all cores for the full test. I have been running this overclock for 2 years. My memory is overclocked to DDR4-4000 CL15 with all four dimm slots full.

Overclocking a 10900k requires great cooling as most cpu's are SP63 and won't overclock well with low vcore voltage and LLC. If you do a manual overclock you need to 100% know what you are doing, so research everything first. It's a project to get right.
 
Last edited:
Its quite involved getting most 10900k's to do all cores 5.1GHz for AVX loads. I have a SP63 chip that will do 5.2GHz all cores with an avx offset. The key to keeping them cool is water cooling and limiting the power draw. Limiting the power draw so you boost to your maximum all cores at around 200 watts and are stable but 300w+ loads like prime 95 small ffts will down clock the cpu. If you don't do this then you can get temps above 90c which you don't want. If you do it like I have then you will be below 70c in games at all time which is a safe temperature. You never want to be above 80c with an overclock and normal load (not prime 95 small ffts). Keep the LLC away from maximum as well. Don't go above 1.4volts and/or do this with a very high LLC.

If its done correctly you can run cinebench all day every day at your maximum frequency but will downclock to avoid 80c+ temps.

Rules I followed.
Avoid the top two LLC ranges.
Avoid above 1.4volts on the core.
Keep temps below 70c in games and below the maximum of 80c in everything but prime95 small ffts avx. It takes just over a hour to complete.
Limit power draw to something sane, like 270 watts. In BIOS you can set the short power to 4095 watts for 1 second and the long to 270 watts. This appears to be more stable than both at 270 watts on my board. Note prime 95 large ffts ith avx is 60c. Voltage die sense are all well below 1.3 volts. If you are 1.33 volts on the core die sense in prime 95 small ffts you need to reduce that fast.

10900K @ 5.2GHz up to 10 cores, 5.3GHz up to 6 cores, 5.4GHz up to 3 cores.
Vcore under heavy load @ 1.400V BIOS, 1.310V Socket Sense, 1.210V Die Sense.

Example of a correct 10900k overclock for a top binned cpu.

10900K @ 5.2GHz up to 10 cores, 5.3GHz up to 6 cores, 5.4GHz up to 3 cores.
Vcore under heavy load @ 1.400V BIOS, 1.310V Socket Sense, 1.210V Die Sense.
  • Ai Overclock Tuner: XMP II
  • AVX Instruction Core Ratio Negative Offset: 1
  • CPU Core Ratio: By Core Usage
    • Turbo Ratio Limit 0: 54
    • Turbo Ratio Cores 0: 3
    • Turbo Ratio Limit 1: 53
    • Turbo Ratio Cores 1: 6
    • Turbo Ratio Limit 2: 52
    • Turbo Ratio Cores 2: 10
  • Digi+ VRM
    • CPU Load-line Calibration: Level 3
  • Internal CPU Power Management
    • Long Duration Package Power Limit: 270
    • Short Duration Package Power Limit: 270
  • CPU Core/Cache Voltage: Manual Mode
  • CPU Core Voltage Override: 1.40
10900K @ 5.1GHz up to 10 cores, 5.2GHz up to 6 cores, 5.3GHz up to 3 cores.
Vcore under heavy load @ 1.375V BIOS, 1.290V Socket Sense, 1.190V Die Sense.
  • Ai Overclock Tuner: XMP II
  • AVX Instruction Core Ratio Negative Offset: 1
  • CPU Core Ratio: By Core Usage
    • Turbo Ratio Limit 0: 53
    • Turbo Ratio Cores 0: 3
    • Turbo Ratio Limit 1: 52
    • Turbo Ratio Cores 1: 6
    • Turbo Ratio Limit 2: 51
    • Turbo Ratio Cores 2: 10
  • Digi+ VRM
    • CPU Load-line Calibration: Level 3
  • Internal CPU Power Management
    • Long Duration Package Power Limit: 250
    • Short Duration Package Power Limit: 250
  • CPU Core/Cache Voltage: Manual Mode
  • CPU Core Voltage Override: 1.375
10900K @ 5.0GHz up to 10 cores, 5.1GHz up to 6 cores, 5.2GHz up to 3 cores.
Vcore under heavy load @ 1.350V BIOS, 1.270V Socket Sense, 1.170V Die Sense.
  • Ai Overclock Tuner: XMP II
  • AVX Instruction Core Ratio Negative Offset: 1
  • CPU Core Ratio: By Core Usage
    • Turbo Ratio Limit 0: 52
    • Turbo Ratio Cores 0: 3
    • Turbo Ratio Limit 1: 51
    • Turbo Ratio Cores 1: 6
    • Turbo Ratio Limit 2: 50
    • Turbo Ratio Cores 2: 10
  • Digi+ VRM
    • CPU Load-line Calibration: Level 3
  • Internal CPU Power Management
    • Long Duration Package Power Limit: 230
    • Short Duration Package Power Limit: 230
  • CPU Core/Cache Voltage: Manual Mode
  • CPU Core Voltage Override: 1.350
There is other ways to do this, like adaptive voltage and offsets but I have yet to try that (method Intel states as best but hard to get right). Load-line Calibration (LLC) doesn't need to be that high. The maximum on my board is LLC8 but I never go above LLC6. My current overclock is LLC6, power draw 270, vcore 1.335 volts in BIOS (never hit 1.3 vcore under any heavy load). Die sense in small ffts is 1.225 or there abouts. This is for 5.2Ghz all cores with a -1 avx offset. This keeps temps between 80-90c in small ffts but the cpu will run at maximum clocks for every other load. Prime 95 large ffts with avx is approx. 200 watts and approx. 60c currently. This runs at 5.1GHz all cores for the full test. I have been running this overclock for 2 years. My memory is overclocked to DDR4-4000 CL15 with all four dimm slots full.

Overclocking a 10900k requires great cooling as most cpu's are SP63 and won't overclock well with low vcore voltage and LLC. If you do a manual overclock you need to 100% know what you are doing, so research everything first. It's a project to get right.

Good post. Very comprehensive! :)
 
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