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Intel Core i9-12900K

Intel i9-12900K

The Intel Core i9-12900K is a high end CPU for desktops based on the Alder Lake architecture. It was first announced in November 2021 and offers 8 performance cores and 8 efficiency cores. The performance cores (P-cores) support HyperThreading, leading to 24 Threads that can be processed at once. The performance cores can clock with up to 5.2 GHz (Turbo Boost Max 3.0), the efficiency cores can clock with up to 3.9 GHz. All cores can use 30 MB Smart Cache. The integrated memory controller supports up to 128 GB DDR5 with 4800 MT/s (dual channel).

The Thread Director (in hardware) can support the operating system to decide which thread to use on the performance or efficiency cores for the best performance.

For AI tasks, the CPU also integrates GNA 3.0 and DL Boost (most likely only using AVX2). Quick Sync in version 8 is the same as in the Rocket Lake CPUs and supports MPEG-2, AVC, VC-1 decode, JPEG, VP8 decode, VP9, HEVC and AV1 decode in hardware.

The integrated graphics card is based on the Xe-architecture and called Intel UHD Graphics 770. It clocks between 300 and 1.55 GHz.

The CPU is rated at 125 W base power and 241 Watt maximum Turbo power. It is manufactured in 10nm, called Intel 7, process at Intel.

SeriesIntel Alder Lake-S
CodenameAlder Lake
Series: Alder Lake-S Alder Lake
» Intel Core i9-12900K3.2 - 5.2 GHz16 / 2420 MB
Intel Core i9-12900 compare2.4 - 5.1 GHz16 / 2420 MB
Intel Core i7-12700K compare3.6 - 5 GHz12 / 2025 MB
Intel Core i5-12600K compare3.7 - 4.9 GHz6+4 / 1620 MB
Clock Rate3200 - 5200 MHz
Level 2 Cache14 MB
Level 3 Cache20 MB
Number of Cores / Threads16 / 24
Power Consumption (TDP = Thermal Design Power)125 Watt
Manufacturing Technology10 nm
Max. Temperature100 °C
SocketLGA 1700
FeaturesIntel UHD Graphics 770, DDR5 4800 MT/s, DDR4 3200 MT/s
GPUIntel UHD Graphics 770 (Alder Lake) (300 - 1550 MHz)
64 Bit64 Bit support
Architecturex86
Starting Price$589 U.S.
Announcement Date11/05/2021
Product Link (external)Intel Alder Lake-S i9-12900K

Benchmarks

Performance Rating - CB R15 + R20 + 7-Zip + X265 + Blender + 3DM11 CPU
77.1 pt (91%)
Cinebench R23 - Cinebench R23 CPU (Multi Core)
min: 25245     avg: 26125     median: 26125 (43%)     max: 27005 Points
Cinebench R23 - Cinebench R23 CPU (Single Core)
min: 1998     avg: 2005     median: 2004.5 (100%)     max: 2011 Points
Cinebench R20 - Cinebench R20 CPU (Single Core)
min: 766     avg: 772     median: 771.5 (99%)     max: 777 Points
Cinebench R20 - Cinebench R20 CPU (Multi Core)
min: 9630     avg: 9935     median: 9935 (42%)     max: 10240 Points
Cinebench R15 - Cinebench R15 CPU Multi 64 Bit
min: 3473     avg: 3877     median: 4057 (42%)     max: 4102 Points
0205410615820102512301435164018452050225524602665287030753280348536903895Tooltip
Cinebench R15 - Cinebench R15 CPU Single 64 Bit
min: 286     avg: 289     median: 289 (99%)     max: 292 Points
Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 44.18     avg: 45.6     median: 45.6 (84%)     max: 47.06 Points
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
min: 3.49     avg: 3.5     median: 3.5 (100%)     max: 3.5 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 9812     avg: 9859     median: 9859 (88%)     max: 9906 points
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 70420     avg: 71819     median: 71819 (98%)     max: 73218 points
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 112749     avg: 112821     median: 112821 (100%)     max: 112893 Points
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 16144     avg: 16271     median: 16270.5 (99%)     max: 16397 Points
wPrime 2.10 - wPrime 2.0 1024m *
min: 190.6     avg: 192.8     median: 192.8 (2%)     max: 195 s
wPrime 2.10 - wPrime 2.0 32m *
min: 2.398     avg: 3.7     median: 3.7 (1%)     max: 4.924 s
WinRAR - WinRAR 4.0
min: 10792     avg: 11834     median: 11834 (68%)     max: 12876 points
7-Zip 18.03 - 7-Zip 18.03 Multli Thread 4 runs
min: 96960     avg: 97316     median: 97315.5 (69%)     max: 97671 MIPS
7-Zip 18.03 - 7-Zip 18.03 Single Thread 4 runs
min: 6571     avg: 6576     median: 6575.5 (94%)     max: 6580 MIPS
X264 HD Benchmark 4.0 - x264 Pass 2
min: 196     avg: 201     median: 201 (91%)     max: 206 fps
X264 HD Benchmark 4.0 - x264 Pass 1
min: 365     avg: 366.8     median: 366.8 (100%)     max: 368.5 fps
HWBOT x265 Benchmark v2.2 - HWBOT x265 4k Preset
min: 29     avg: 29.5     median: 29.5 (63%)     max: 30 fps
051015202530354045Tooltip
TrueCrypt - TrueCrypt Serpent
min: 1.9     avg: 2     median: 2 (67%)     max: 2 GB/s
TrueCrypt - TrueCrypt Twofish
min: 3.5     avg: 3.6     median: 3.6 (75%)     max: 3.7 GB/s
TrueCrypt - TrueCrypt AES
min: 18.5     avg: 19.3     median: 19.3 (71%)     max: 20 GB/s
Blender 2.79 - Blender 2.79 BMW27 CPU *
min: 121.1     avg: 124.7     median: 124.7 (1%)     max: 128.3 Seconds
R Benchmark 2.5 - R Benchmark 2.5 *
min: 0.3946     avg: 0.4     median: 0.4 (9%)     max: 0.4216 sec
3DMark 06 - CPU - 3DMark 06 - CPU
min: 18426     avg: 18753     median: 18752.5 (40%)     max: 19079 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 7.04     avg: 7.1     median: 7.1 (2%)     max: 7.063 s
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
min: 15.59     avg: 15.6     median: 15.6 (1%)     max: 15.67 s
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 338.6     avg: 347     median: 347 (2%)     max: 355.4 s
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 97859     avg: 97907     median: 97907 (100%)     max: 97955 Points
3DMark 11 - 3DM11 Performance Physics
min: 23010     avg: 25231     median: 23076 (80%)     max: 28789 Points
3DMark - 3DMark Ice Storm Physics
min: 81757     avg: 101311     median: 101311 (65%)     max: 120865 Points
3DMark - 3DMark Ice Storm Extreme Physics
min: 78981     avg: 99892     median: 99891.5 (83%)     max: 120802 Points
3DMark - 3DMark Ice Storm Unlimited Physics
min: 80654     avg: 99678     median: 99678 (84%)     max: 118702 Points
3DMark - 3DMark Cloud Gate Physics
min: 25449     avg: 25582     median: 25581.5 (65%)     max: 25714 Points
3DMark - 3DMark Fire Strike Standard Physics
min: 39112     avg: 39903     median: 39903 (98%)     max: 40694 Points
3DMark - 3DMark Time Spy CPU
min: 18431     avg: 18556     median: 18555.5 (99%)     max: 18680 Points
Geekbench 4.1 - 4.4 - Geekbench 4.1 - 4.4 64 Bit Single-Core
min: 8593     avg: 8629     median: 8629 (100%)     max: 8665 points
Geekbench 4.1 - 4.4 - Geekbench 4.1 - 4.4 64 Bit Multi-Core
min: 63583     avg: 63911     median: 63910.5 (79%)     max: 64238 points
Geekbench 5.0 - Geekbench 5.0 64 Bit Single-Core
min: 1927     avg: 1948     median: 1947.5 (99%)     max: 1968 points
Geekbench 5.0 - Geekbench 5.0 64 Bit Multi-Core
min: 17697     avg: 17828     median: 17828 (56%)     max: 17959 points
Geekbench 5.3 - Geekbench 5.1 - 5.4 64 Bit Single-Core
min: 1969     avg: 2006     median: 2005.5 (98%)     max: 2042 points
Geekbench 5.3 - Geekbench 5.1 - 5.4 64 Bit Multi-Core
min: 17698     avg: 17776     median: 17776 (62%)     max: 17854 points
Mozilla Kraken 1.1 - Kraken 1.1 Total Score *
min: 475     avg: 478     median: 478 (1%)     max: 481 ms
Octane V2 - Octane V2 Total Score
96769 Points (100%)
WebXPRT 3 - WebXPRT 3 Score
min: 320     avg: 325     median: 325 (90%)     max: 330 Points
Power Consumption - Prime95 Power Consumption - external Monitor *
min: 257     avg: 268.3     median: 268.3 (46%)     max: 279.6 Watt
020406080100120140160180200220240260280300320340360Tooltip
Power Consumption - Cinebench R15 Multi Power Consumption - external Monitor *
min: 265     avg: 294.7     median: 294.7 (78%)     max: 324.4 Watt
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Power Consumption - Idle Power Consumption - external Monitor *
56.1 Watt (55%)
05101520253035404550556065Tooltip
Power Consumption - Cinebench R15 Multi Power Efficiency - external Monitor
min: 12.5     avg: 12.8     median: 12.8 (15%)     max: 13.1 Points per Watt
- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

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