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Intel Core i9-12900K vs Intel Core i9-12900H

Intel Core i9-12900K

The Intel Core i9-12900K operates with 16 cores and 24 CPU threads. It run at 3.20 GHz (5.20 GHz) base 2.40 GHz (3.90 GHz) all cores while the TDP is set at 125 W.The processor is attached to the LGA 1700 CPU socket. This version includes 30.00 MB of L3 cache on one chip, supports 2 memory channels to support DDR4-3200DDR5-4800 RAM and features 5.0 PCIe Gen 20 lanes. Tjunction keeps below 100 °C degrees C. In particular, Alder Lake S Architecture is enhanced with 10 nm technology and supports VT-x, VT-x EPT, VT-d. The product was launched on Q4/2021

Intel Core i9-12900K

The Intel Core i9-12900H operates with 14 cores and 24 CPU threads. It run at 2.50 GHz (5.00 GHz) base 1.80 GHz (3.80 GHz) all cores while the TDP is set at 45 W.The processor is attached to the BGA 1744 CPU socket. This version includes 24.00 MB of L3 cache on one chip, supports 2 memory channels to support DDR4-3200DDR5-4800LPDDR4X-4266LPDDR5-5200 RAM and features 4.0 PCIe Gen 28 lanes. Tjunction keeps below 100 °C degrees C. In particular, Alder Lake H Architecture is enhanced with 10 nm technology and supports VT-x, VT-x EPT, VT-d. The product was launched on Q1/2022


Compare Detail

3.20 GHz (5.20 GHz) Frequency 2.50 GHz (5.00 GHz)
16 Cores 14
3.20 GHz (5.20 GHz) Turbo (1 Core) 2.50 GHz (5.00 GHz)
2.40 GHz (3.90 GHz) Turbo (All Cores) 1.80 GHz (3.80 GHz)
check Yes Hyperthreading Yes check
check Yes Overclocking No uncheck
hybrid (big.LITTLE) Core Architecture hybrid (big.LITTLE)
Intel UHD Graphics 770 GPU Intel Iris Xe Graphics 96 (Alder Lake)
1.55 GHz GPU (Turbo) 1.45 GHz
10 nm Technology 10 nm
1.55 GHz GPU (Turbo) 1.45 GHz
12 DirectX Version 12.1
3 Max. displays 4
DDR4-3200DDR5-4800 Memory DDR4-3200DDR5-4800LPDDR4X-4266LPDDR5-5200
2 Memory channels 2
Max memory
check Yes ECC No uncheck
14.00 MB L2 Cache 11.50 MB
30.00 MB L3 Cache 24.00 MB
5.0 PCIe version 4.0
20 PCIe lanes 28
10 nm Technology 10 nm
LGA 1700 Socket BGA 1744
125 W TDP 45 W
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Q4/2021 Release date Q1/2022

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i9-12900K 2,008 (91%)
91% Complete
Intel Core i9-12900H 1,927 (87%)
87% Complete

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i9-12900K 27,478 (42%)
42% Complete
Intel Core i9-12900H 16,559 (25%)
25% Complete

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

89% Complete
84% Complete

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i9-12900K 10,517 (42%)
42% Complete
Intel Core i9-12900H 6,375 (25%)
25% Complete

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

89% Complete
78% Complete

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i9-12900K 4,116 (39%)
39% Complete
Intel Core i9-12900H 2,643 (25%)
25% Complete

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i9-12900K 2,000 (89%)
89% Complete
Intel Core i9-12900H 1,763 (78%)
78% Complete

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i9-12900K 17,600 (35%)
35% Complete
Intel Core i9-12900H 12,666 (26%)
26% Complete

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.

4% Complete
Intel Core i9-12900H 2,226 (10%)
10% Complete

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-Comparison. However the majority of CPUs have not been tested and the results have been estimated by a CPU-Comparison’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.

Intel Core i9-12900K 40,907 (38%)
38% Complete
Intel Core i9-12900H 29,406 (27%)
27% Complete
Electric Usage Estimate

Electric Usage Estimate

Electric Usage Estimate

Electric Usage Estimate

Intel Core i9-12900K Intel Core i9-12900H
125 W Max TDP 45 W
NA Power consumption per day (kWh) NA
NA Running cost per day NA
NA Power consumption per year (kWh) NA
NA Running cost per year NA

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