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Intel Core i9-12900K | Intel Core i9-12900H | |
CPU comparisonIntel Core i9-12900K or Intel Core i9-12900H - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The Intel Core i9-12900K has 16 cores with 24 threads and clocks with a maximum frequency of 5.20 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i9-12900K was released in Q4/2021. The Intel Core i9-12900H has 14 cores with 20 threads and clocks with a maximum frequency of 5.00 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Core i9-12900H was released in Q1/2022. |
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Intel Core i9 | Family | Intel Core i9 |
Intel Core i 12000 | CPU group | Intel Core i 12000H |
12 | Generation | 12 |
Alder Lake S | Architecture | Alder Lake H |
Desktop / Server | Segment | Mobile |
Intel Core i9-11900K | Predecessor | Intel Core i9-11900H |
Intel Core i9-13900K | Successor | Intel Core i9-13900H |
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CPU Cores and Base FrequencyThe Intel Core i9-12900K has 16 CPU cores and can calculate 24 threads in parallel. The clock frequency of the Intel Core i9-12900K is 3.20 GHz (5.20 GHz) while the Intel Core i9-12900H has 14 CPU cores and 20 threads can calculate simultaneously. The clock frequency of the Intel Core i9-12900H is at 2.40 GHz (3.90 GHz). |
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16 | Cores | 14 |
24 | Threads | 20 |
hybrid (big.LITTLE) | Core architecture | hybrid (big.LITTLE) |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | No |
3.20 GHz (5.20 GHz) 8x Golden Cove |
A-Core | 2.50 GHz (5.00 GHz) 6x Golden Cove |
2.40 GHz (3.90 GHz) 8x Gracemont |
B-Core | 1.80 GHz (3.80 GHz) 8x Gracemont |
-- | C-Core | -- |
Internal GraphicsThe Intel Core i9-12900K or Intel Core i9-12900H has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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Intel UHD Graphics 770 | GPU | Intel Iris Xe Graphics 96 (Alder Lake) |
0.30 GHz | GPU frequency | 0.40 GHz |
1.55 GHz | GPU (Turbo) | 1.45 GHz |
11 | GPU Generation | 13 |
10 nm | Technology | 10 nm |
3 | Max. displays | 4 |
32 | Execution units | 96 |
256 | Shader | 768 |
64 GB | Max. GPU Memory | 32 GB |
12 | DirectX Version | 12.1 |
Hardware codec supportA photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos. |
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Decode / Encode | Codec h265 / HEVC (8 bit) | Decode / Encode |
Decode / Encode | Codec h265 / HEVC (10 bit) | Decode / Encode |
Decode / Encode | Codec h264 | Decode / Encode |
Decode / Encode | Codec VP9 | Decode / Encode |
Decode / Encode | Codec VP8 | Decode |
Decode | Codec AV1 | Decode |
Decode / Encode | Codec AVC | Decode / Encode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Core i9-12900K can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 76.8 GB/s. The Intel Core i9-12900H supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 76.8 GB/s. |
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DDR4-3200, DDR5-4800 | Memory | DDR4-3200, DDR5-4800, LPDDR4X-4266, LPDDR5-5200 |
128 GB | Max. Memory | 64 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
76.8 GB/s | Bandwidth | 76.8 GB/s |
Yes | ECC | No |
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 |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i9-12900K is 125 W, while the Intel Core i9-12900H has a TDP of 45 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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125 W | TDP (PL1 / PBP) | 45 W |
241 W | TDP (PL2) | 115 W |
-- | TDP up | -- |
-- | TDP down | -- |
100 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Core i9-12900K is manufactured in 10 nm and has 44.00 MB cache. The Intel Core i9-12900H is manufactured in 10 nm and has a 44.00 MB cache. |
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10 nm | Technology | 10 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2, AVX2+ | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX2+ |
LGA 1700 | Socket | BGA 1744 |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q4/2021 | Release date | Q1/2022 |
589 $ | Release price | 617 $ |
show more data | show more data | |
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Intel Core i9-12900K
16C 24T @ 5.20 GHz |
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Intel Core i9-12900H
14C 20T @ 5.00 GHz |
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Intel Core i9-12900K
16C 24T @ 5.00 GHz |
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Intel Core i9-12900H
14C 20T @ 3.80 GHz |
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Intel Core i9-12900K
16C 24T @ 5.20 GHz |
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Intel Core i9-12900H
14C 20T @ 5.00 GHz |
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Intel Core i9-12900K
16C 24T @ 5.00 GHz |
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Intel Core i9-12900H
14C 20T @ 3.80 GHz |
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Intel Core i9-12900K
16C 24T @ 5.20 GHz |
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Intel Core i9-12900H
14C 20T @ 5.00 GHz |
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Intel Core i9-12900K
16C 24T @ 5.00 GHz |
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Intel Core i9-12900H
14C 20T @ 3.80 GHz |
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Intel Core i9-12900K
16C 24T @ 5.20 GHz |
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Intel Core i9-12900H
14C 20T @ 5.00 GHz |
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Intel Core i9-12900K
16C 24T @ 5.00 GHz |
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Intel Core i9-12900H
14C 20T @ 3.80 GHz |
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Intel Core i9-12900K
Intel UHD Graphics 770 @ 1.55 GHz |
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Intel Core i9-12900H
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.45 GHz |
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Intel Core i9-12900K
16C 24T @ 5.00 GHz |
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Intel Core i9-12900H
14C 20T @ 3.80 GHz |
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Intel Core i9-12900K
16C 24T @ 5.00 GHz |
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Intel Core i9-12900H
14C 20T @ 3.80 GHz |
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Intel Core i9-12900K
16C 24T @ 5.00 GHz |
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Intel Core i9-12900H
14C 20T @ 3.80 GHz |
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Intel Core i9-12900K
16C 24T @ 3.20 GHz |
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Intel Core i9-12900H
14C 20T @ 2.50 GHz |
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Intel Core i9-12900K
16C 24T @ 3.20 GHz |
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Intel Core i9-12900H
14C 20T @ 2.50 GHz |
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Intel Core i9-12900K
16C 24T @ 5.20 GHz |
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Intel Core i9-12900H
14C 20T @ 5.00 GHz |
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Intel Core i9-12900K
16C 24T @ 5.00 GHz |
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Intel Core i9-12900H
14C 20T @ 3.80 GHz |
Devices using this processor |
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Intel Core i9-12900K | Intel Core i9-12900H |
Unknown | Unknown |