Intel Core i9-12900HK vs Intel Xeon W-11955M

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CPU comparison with benchmarks


Intel Core i9-12900HK CPU1 vs CPU2 Intel Xeon W-11955M
Intel Core i9-12900HK Intel Xeon W-11955M

CPU comparison

Intel Core i9-12900HK or Intel Xeon W-11955M - 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 i9-12900HK has 14 cores with 20 threads and clocks with a maximum frequency of 5.00 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Core i9-12900HK was released in Q1/2022.

The Intel Xeon W-11955M has 8 cores with 16 threads and clocks with a maximum frequency of 5.00 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Xeon W-11955M was released in Q2/2021.
Intel Core i9 (78) Family Intel Xeon W (83)
Intel Core i 12000H (23) CPU group Intel Xeon W-11000M (8)
12 Generation 11
Alder Lake H Architecture Tiger Lake H
Mobile Segment Mobile
-- Predecessor --
Intel Core i9-13900HK Successor --

CPU Cores and Base Frequency

The Intel Core i9-12900HK has 14 CPU cores and can calculate 20 threads in parallel. The clock frequency of the Intel Core i9-12900HK is 2.50 GHz (5.00 GHz) while the Intel Xeon W-11955M has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the Intel Xeon W-11955M is at 2.60 GHz (5.00 GHz).

Intel Core i9-12900HK Characteristic Intel Xeon W-11955M
14 Cores 8
20 Threads 16
hybrid (big.LITTLE) Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.50 GHz (5.00 GHz)
6x Golden Cove
A-Core 2.60 GHz (5.00 GHz)
1.80 GHz (3.80 GHz)
8x Gracemont
B-Core --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i9-12900HK Characteristic Intel Xeon W-11955M
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i9-12900HK or Intel Xeon W-11955M 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.

Intel Iris Xe Graphics 96 (Alder Lake) GPU Intel UHD Graphics 11th Gen (32 EU)
0.40 GHz GPU frequency 0.35 GHz
1.45 GHz GPU (Turbo) 1.45 GHz
13 GPU Generation 11
10 nm Technology 10 nm
4 Max. displays 3
96 Compute units 32
768 Shader 256
No Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory 64 GB
12.1 DirectX Version 12

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.

Intel Iris Xe Graphics 96 (Alder Lake) GPU Intel UHD Graphics 11th Gen (32 EU)
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 Codec VP8 Decode / Encode
Decode Codec AV1 Decode
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The Intel Core i9-12900HK can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 83.2 GB/s. The Intel Xeon W-11955M supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 51.2 GB/s.

Intel Core i9-12900HK Characteristic Intel Xeon W-11955M
LPDDR5-5200, LPDDR4X-4266, DDR5-4800, DDR4-3200 Memory DDR4-3200
64 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
83.2 GB/s Max. Bandwidth 51.2 GB/s
No ECC Yes
11.50 MB L2 Cache --
24.00 MB L3 Cache 24.00 MB
4.0 PCIe version 4.0
28 PCIe lanes 20
55.1 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core i9-12900HK is 45 W, while the Intel Xeon W-11955M has a TDP of 45 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i9-12900HK Characteristic Intel Xeon W-11955M
45 W TDP (PL1 / PBP) 45 W
115 W TDP (PL2) --
-- TDP up --
-- TDP down 35 W
100 °C Tjunction max. 100 °C

Technical details

The Intel Core i9-12900HK is manufactured in 10 nm and has 35.50 MB cache. The Intel Xeon W-11955M is manufactured in 10 nm and has a 24.00 MB cache.

Intel Core i9-12900HK Characteristic Intel Xeon W-11955M
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, AVX-512
BGA 1744 Socket BGA 1787
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
Q1/2022 Release date Q2/2021
635 $ Release price 623 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 4 CPU benchmarks
Intel Core i9-12900HK (100%)
Intel Xeon W-11955M (89%)
⌀ Multi core performance in 5 CPU benchmarks
Intel Core i9-12900HK (100%)
Intel Xeon W-11955M (79%)

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 i9-12900HK Intel Core i9-12900HK
14C 20T @ 5.00 GHz
1938 (100%)
Intel Xeon W-11955M Intel Xeon W-11955M
8C 16T @ 5.00 GHz
1574 (81%)

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 i9-12900HK Intel Core i9-12900HK
14C 20T @ 3.80 GHz
18197 (100%)
Intel Xeon W-11955M Intel Xeon W-11955M
8C 16T @ 3.20 GHz
12836 (71%)

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 i9-12900HK Intel Core i9-12900HK
14C 20T @ 5.00 GHz
1754 (100%)
Intel Xeon W-11955M Intel Xeon W-11955M
8C 16T @ 5.00 GHz
1758 (100%)

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 i9-12900HK Intel Core i9-12900HK
14C 20T @ 3.80 GHz
12662 (100%)
Intel Xeon W-11955M Intel Xeon W-11955M
8C 16T @ 3.20 GHz
10225 (81%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i9-12900HK Intel Core i9-12900HK
14C 20T @ 5.00 GHz
2426 (100%)
Intel Xeon W-11955M Intel Xeon W-11955M
8C 16T @ 5.00 GHz
2164 (89%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i9-12900HK Intel Core i9-12900HK
14C 20T @ 3.80 GHz
11894 (100%)
Intel Xeon W-11955M Intel Xeon W-11955M
8C 16T @ 3.20 GHz
9986 (84%)

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.
Intel Core i9-12900HK Intel Core i9-12900HK
14C 20T @ 5.00 GHz
710 (100%)
Intel Xeon W-11955M Intel Xeon W-11955M
8C 16T @ 5.00 GHz
610 (86%)

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 i9-12900HK Intel Core i9-12900HK
14C 20T @ 3.80 GHz
6892 (100%)
Intel Xeon W-11955M Intel Xeon W-11955M
8C 16T @ 3.20 GHz
5547 (80%)

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.
Intel Core i9-12900HK Intel Core i9-12900HK
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.45 GHz
2223 (100%)
Intel Xeon W-11955M Intel Xeon W-11955M
Intel UHD Graphics 11th Gen (32 EU) @ 1.45 GHz
742 (33%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’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 i9-12900HK Intel Core i9-12900HK
14C 20T @ 3.80 GHz
28632 (100%)
Intel Xeon W-11955M Intel Xeon W-11955M
8C 16T @ 3.20 GHz
23067 (81%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
Intel Core i9-12900HK Intel Core i9-12900HK
14C 20T @ 3.80 GHz
260 (100%)
Intel Xeon W-11955M Intel Xeon W-11955M
8C 16T @ 3.20 GHz
0 (0%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
Intel Core i9-12900HK Intel Core i9-12900HK
14C 20T @ 3.80 GHz
182 (100%)
Intel Xeon W-11955M Intel Xeon W-11955M
8C 16T @ 3.20 GHz
0 (0%)

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.
Intel Core i9-12900HK Intel Core i9-12900HK
14C 20T @ 5.00 GHz
257 (100%)
Intel Xeon W-11955M Intel Xeon W-11955M
8C 16T @ 5.00 GHz
0 (0%)

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 i9-12900HK Intel Core i9-12900HK
14C 20T @ 3.80 GHz
2639 (100%)
Intel Xeon W-11955M Intel Xeon W-11955M
8C 16T @ 3.20 GHz
0 (0%)

Devices using this processor

Intel Core i9-12900HK Intel Xeon W-11955M
Unknown Unknown

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