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

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i9-12900K or Intel Core i9-12900K – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i9-12900K features 16 processor cores and has the capability to manage 24 threads concurrently.
It was released in Q4/2021 and belongs to the 12 generation of the Intel Core i9 series.
To use the Intel Core i9-12900K, you'll need a motherboard with a LGA 1700 socket.
The Intel Core i9-12900H features 14 processor cores and has the capability to manage 20 threads concurrently.
It was released in Q1/2022 and belongs to the 12 generation of the Intel Core i9 series.
To use the Intel Core i9-12900H, you'll need a motherboard with a BGA 1744 socket.
Intel Core i 12000 Group Intel Core i 12000H
12 Generation 12
Desktop / Server Segment Mobile
Intel Core i9-12900K Name Intel Core i9-12900H
Intel Core i9 Family Intel Core i9
 
 

CPU Cores and Base Frequency

The Intel Core i9-12900K has 16 CPU cores and can calculate 24 threads in parallel.
The clock frequency of the A-Core is 3.2 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
Processors with hybrid (big.LITTLE) architecture strike a balance between performance and power efficiency, making them ideal for mobile devices.
The Intel Core i9-12900H has 14 CPU cores and can calculate 20 threads in parallel.
The clock frequency of the A-Core is 2.5 GHz.
24 Threads 20
2.4 GHz B-Core Frequency 1.8 GHz
16 CPU Cores 14
hybrid (big.LITTLE) Core architecture hybrid (big.LITTLE)
8x Golden Cove Cores A 6x Golden Cove
Yes Hyperthreading Yes
3.2 GHz A-Core Frequency 2.5 GHz
5.2 GHz A-Core Frequency Turbo 5.0 GHz
Yes Overclocking No
8x Gracemont Cores B 8x Gracemont
3.9 GHz B-Core Frequency Turbo 3.8 GHz
 
 

Internal Graphics

The Intel Core i9-12900K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i9-12900K uses the Intel UHD Graphics 770, which has 256 texture shaders
and 32 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i9-12900H has integrated graphics, called iGPU for short.
Specifically, the Intel Core i9-12900H uses the Intel Iris Xe Graphics 96 (Alder Lake), which has 768 texture shaders
and 96 execution units.
256 Shaders 768
Q4/2021 Release date Q1/2022
10 nm Technology 10 nm
12 Direct X 12.1
64.0 GB Max. GPU Memory 32.0 GB
-- Max. displays --
32 Execution units 96
0.3 GHz GPU frequency 0.4 GHz
11 Generation 13
1.55 GHz GPU (Turbo) 1.45 GHz
Intel UHD Graphics 770 GPU name Intel Iris Xe Graphics 96 (Alder Lake)
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A 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.
Decode / Encode VP8 Decode
Decode VC-1 Decode
Decode / Encode JPEG Decode / Encode
Decode AV1 Decode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode AVC Decode / Encode
Decode / Encode h264 Decode / Encode
Decode / Encode VP9 Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 76.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 76.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
pci PCIe pci
Yes AES-NI Yes
DDR4-3200, DDR5-4800 Memory type DDR4-3200, LPDDR4X-4266, DDR5-4800, LPDDR5-5200
Yes ECC No
128.0 GB Max. Memory 64.0 GB
2 Memory channels 2
76.8 GB/s Bandwidth 76.8 GB/s
 
 

Thermal Management

The processor has a thermal design power (TDP) of 125 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 45 W watts.
241 W TDP (PL2) 115 W
125 W TDP (PL1 / PBP) 45 W
100 °C Tjunction max 100 °C
 
 

Technical details

The Intel Core i9-12900K is manufactured using a 10 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 30.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i9-12900H is manufactured using a 10 nm process.
In total, this processor boasts a generous 24.0 MB cache.
Q4/2021 Release date Q1/2022
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2, AVX2, AVX2+ ISA extensions SSE4.1, SSE4.2, AVX2, AVX2+
10 nm Technology 10 nm
Monolithic Chip design Monolithic
589 $ Release price 617 $
Alder Lake S Architecture Alder Lake H
30.0 MB L3-Cache 24.0 MB
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
BX8071512900K Part Number --
LGA 1700 Socket BGA 1744
14.0 MB L2-Cache 11.5 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i9-12900K
16C 24T @ 3.2 GHz
40902
40902
Intel Core i9-12900H
14C 20T @ 2.5 GHz
27130
27130

Cinebench R23 (Multi-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
27472
27472
Intel Core i9-12900H
14C 20T @ 2.5 GHz
16555
16555

Geekbench 5, 64bit (Multi-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
17595
17595
Intel Core i9-12900H
14C 20T @ 2.5 GHz
12662
12662

Geekbench 6 (Multi-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
16244
16244
Intel Core i9-12900H
14C 20T @ 2.5 GHz
11894
11894

Cinebench R20 (Multi-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
10511
10511
Intel Core i9-12900H
14C 20T @ 2.5 GHz
6371
6371

Cinebench R15 (Multi-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
4111
4111
Intel Core i9-12900H
14C 20T @ 2.5 GHz
2639
2639

Geekbench 6 (Single-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
2560
2560
Intel Core i9-12900H
14C 20T @ 2.5 GHz
2426
2426

Cinebench R23 (Single-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
1997
1997
Intel Core i9-12900H
14C 20T @ 2.5 GHz
1917
1917

Geekbench 5, 64bit (Single-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
1990
1990
Intel Core i9-12900H
14C 20T @ 2.5 GHz
1754
1754

Cinebench R20 (Single-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
779
779
Intel Core i9-12900H
14C 20T @ 2.5 GHz
734
734

Blender 3.1 Benchmark

Intel Core i9-12900K
16C 24T @ 3.2 GHz
364
364
Intel Core i9-12900H
14C 20T @ 2.5 GHz
251
251

Cinebench R15 (Single-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
294
294
Intel Core i9-12900H
14C 20T @ 2.5 GHz
257
257