Intel Xeon W-11955M vs Intel Xeon W-11855M

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Xeon W-11955M or Intel Xeon W-11955M – 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 Xeon W-11955M features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q2/2021 and belongs to the 11 generation of the Intel Xeon W series.
To use the Intel Xeon W-11955M, you'll need a motherboard with a BGA 1787 socket.
The Intel Xeon W-11855M features 6 processor cores and has the capability to manage 12 threads concurrently.
To use the Intel Xeon W-11855M, you'll need a motherboard with a BGA 1787 socket.
11 Generation 11
Intel Xeon W Family Intel Xeon W
Intel Xeon W-11000M Group Intel Xeon W-11000M
Intel Xeon W-11955M Name Intel Xeon W-11855M
Mobile Segment Mobile
 
 

CPU Cores and Base Frequency

The Intel Xeon W-11955M has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the Intel Xeon W-11955M is 2.6 GHz
and turbo frequency for one core is 5.0 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Xeon W-11855M has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the Intel Xeon W-11855M is 3.2 GHz
and turbo frequency for one core is 4.9 GHz.
8 CPU Cores 6
16 Threads 12
5.0 GHz Turbo Frequency (1 core) 4.9 GHz
2.6 GHz Frequency 3.2 GHz
8x Cores 6x
normal Core architecture normal
No Overclocking No
Yes Hyperthreading Yes
3.2 GHz Turbo Frequency (all cores) 3.8 GHz
 
 

Internal Graphics

The Intel Xeon W-11955M has integrated graphics, called iGPU for short.
Specifically, the Intel Xeon W-11955M uses the Intel UHD Graphics 11th Gen (32 EU), 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 Xeon W-11855M has integrated graphics, called iGPU for short.
Specifically, the Intel Xeon W-11855M uses the Intel UHD Graphics 11th Gen (32 EU), which has 256 texture shaders
11 Generation 11
Q2/2021 Release date Q2/2021
-- Max. displays --
32 Execution units 32
256 Shaders 256
1.45 GHz GPU (Turbo) 1.45 GHz
0.35 GHz GPU frequency 0.35 GHz
10 nm Technology 10 nm
Intel UHD Graphics 11th Gen (32 EU) GPU name Intel UHD Graphics 11th Gen (32 EU)
64.0 GB Max. GPU Memory 64.0 GB
12 Direct X 12
 
 

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

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 51.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
128.0 GB Max. Memory 128.0 GB
DDR4-3200 Memory type DDR4-3200
Yes AES-NI Yes
51.2 GB/s Bandwidth 51.2 GB/s
Yes ECC Yes
pci PCIe pci
 
 

Thermal Management

The processor has a thermal design power (TDP) of 45 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.
45 W TDP (PL1 / PBP) 45 W
100 °C Tjunction max 100 °C
35 W TDP down 35 W
 
 

Technical details

The Intel Xeon W-11955M 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 24.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Xeon W-11855M is manufactured using a 10 nm process.
In total, this processor boasts a generous 18.0 MB cache.
Q2/2021 Release date Q2/2021
Tiger Lake H Architecture Tiger Lake H
Technical data sheet Documents Technical data sheet
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Monolithic Chip design Monolithic
24.0 MB L3-Cache 18.0 MB
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
10 nm Technology 10 nm
BGA 1787 Socket BGA 1787
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
623 $ Release price 450 $
Operating systems
0 bytes L2-Cache 0 bytes
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Xeon W-11955M
8C 16T @ 2.6 GHz
23067
23067
Intel Xeon W-11855M
6C 12T @ 3.2 GHz
18367
18367

Cinebench R23 (Multi-Core)

Intel Xeon W-11955M
8C 16T @ 2.6 GHz
12836
12836
Intel Xeon W-11855M
6C 12T @ 3.2 GHz
10518
10518

Geekbench 5, 64bit (Multi-Core)

Intel Xeon W-11955M
8C 16T @ 2.6 GHz
10225
10225
Intel Xeon W-11855M
6C 12T @ 3.2 GHz
7968
7968

Geekbench 6 (Multi-Core)

Intel Xeon W-11955M
8C 16T @ 2.6 GHz
9986
9986
Intel Xeon W-11855M
6C 12T @ 3.2 GHz
8624
8624

Cinebench R20 (Multi-Core)

Intel Xeon W-11955M
8C 16T @ 2.6 GHz
5547
5547
Intel Xeon W-11855M
6C 12T @ 3.2 GHz
4586
4586

Geekbench 6 (Single-Core)

Intel Xeon W-11955M
8C 16T @ 2.6 GHz
2164
2164
Intel Xeon W-11855M
6C 12T @ 3.2 GHz
2142
2142

Geekbench 5, 64bit (Single-Core)

Intel Xeon W-11955M
8C 16T @ 2.6 GHz
1758
1758
Intel Xeon W-11855M
6C 12T @ 3.2 GHz
1642
1642

Cinebench R23 (Single-Core)

Intel Xeon W-11955M
8C 16T @ 2.6 GHz
1574
1574
Intel Xeon W-11855M
6C 12T @ 3.2 GHz
1540
1540

Cinebench R20 (Single-Core)

Intel Xeon W-11955M
8C 16T @ 2.6 GHz
610
610
Intel Xeon W-11855M
6C 12T @ 3.2 GHz
599
599