Intel Xeon W-11855M vs Intel Xeon W-2135

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CPU comparison with benchmarks


Intel Xeon W-11855M CPU1 vs CPU2 Intel Xeon W-2135
Intel Xeon W-11855M Intel Xeon W-2135

CPU comparison

In this CPU comparison, we compare the Intel Xeon W-11855M and the Intel Xeon W-2135 and use benchmarks to check which processor is faster.

We compare the Intel Xeon W-11855M 6 core processor released in Q2/2021 with the Intel Xeon W-2135 which has 6 CPU cores and was introduced in Q3/2017.
Intel Xeon W (83) Family Intel Xeon W (83)
Intel Xeon W-11000M (8) CPU group Intel Xeon W-2100/3100 (15)
11 Generation 6
Tiger Lake H Architecture Skylake W
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor Intel Xeon W-2235

CPU Cores and Base Frequency

The Intel Xeon W-11855M is a 6 core processor with a clock frequency of 3.20 GHz (4.90 GHz). The processor can compute 12 threads at the same time. The Intel Xeon W-2135 clocks with 3.70 GHz (4.50 GHz), has 6 CPU cores and can calculate 12 threads in parallel.

Intel Xeon W-11855M Characteristic Intel Xeon W-2135
6 Cores 6
12 Threads 12
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
3.20 GHz Frequency 3.70 GHz
4.90 GHz Turbo Frequency (1 Core) 4.50 GHz
3.80 GHz Turbo Frequency (All Cores) 4.20 GHz

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 Xeon W-11855M Characteristic Intel Xeon W-2135
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Intel UHD Graphics 11th Gen (32 EU) GPU no iGPU
0.35 GHz GPU frequency --
1.45 GHz GPU (Turbo) --
11 GPU Generation --
10 nm Technology
3 Max. displays
32 Compute units --
256 Shader --
No Hardware Raytracing No
No Frame Generation No
64 GB Max. GPU Memory --
12 DirectX Version --

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 UHD Graphics 11th Gen (32 EU) GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode / Encode Codec VP9 No
Decode / Encode Codec VP8 No
Decode Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

Up to 128 GB of memory in a maximum of 2 memory channels is supported by the Intel Xeon W-11855M, while the Intel Xeon W-2135 supports a maximum of 512 GB of memory with a maximum memory bandwidth of 85.4 GB/s enabled.

Intel Xeon W-11855M Characteristic Intel Xeon W-2135
DDR4-3200 Memory DDR4-2666
128 GB Max. Memory 512 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
51.2 GB/s Max. Bandwidth 85.4 GB/s
Yes ECC Yes
-- L2 Cache --
18.00 MB L3 Cache 8.25 MB
4.0 PCIe version 3.0
20 PCIe lanes 48
39.4 GB/s PCIe Bandwidth 47.3 GB/s

Thermal Management

The Intel Xeon W-11855M has a TDP of 45 W. The TDP of the Intel Xeon W-2135 is 140 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Xeon W-11855M Characteristic Intel Xeon W-2135
45 W TDP (PL1 / PBP) 140 W
-- TDP (PL2) --
-- TDP up --
35 W TDP down --
100 °C Tjunction max. --

Technical details

The Intel Xeon W-11855M has 18.00 MB cache and is manufactured in 10 nm. The cache of Intel Xeon W-2135 is at 8.25 MB. The processor is manufactured in 14 nm.

Intel Xeon W-11855M Characteristic Intel Xeon W-2135
10 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
BGA 1787 Socket LGA 2066
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Operating systems Windows 10, Linux
Q2/2021 Release date Q3/2017
450 $ Release price 835 $
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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Xeon W-11855M (100%)
Intel Xeon W-2135 (70%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Xeon W-11855M (100%)
Intel Xeon W-2135 (84%)

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 Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 4.90 GHz
1642 (100%)
Intel Xeon W-2135 Intel Xeon W-2135
6C 12T @ 4.50 GHz
1196 (73%)

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 Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 3.80 GHz
7968 (100%)
Intel Xeon W-2135 Intel Xeon W-2135
6C 12T @ 4.20 GHz
7254 (91%)

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 Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 4.90 GHz
2142 (100%)
Intel Xeon W-2135 Intel Xeon W-2135
6C 12T @ 4.50 GHz
1422 (66%)

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 Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 3.80 GHz
8624 (100%)
Intel Xeon W-2135 Intel Xeon W-2135
6C 12T @ 4.20 GHz
7084 (82%)

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 Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 3.80 GHz
18367 (100%)
Intel Xeon W-2135 Intel Xeon W-2135
6C 12T @ 4.20 GHz
14244 (78%)

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 Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 4.90 GHz
1540 (100%)
Intel Xeon W-2135 Intel Xeon W-2135
6C 12T @ 4.50 GHz
0 (0%)

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 Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 3.80 GHz
10518 (100%)
Intel Xeon W-2135 Intel Xeon W-2135
6C 12T @ 4.20 GHz
0 (0%)

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 Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 4.90 GHz
599 (100%)
Intel Xeon W-2135 Intel Xeon W-2135
6C 12T @ 4.50 GHz
0 (0%)

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 Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 3.80 GHz
4586 (100%)
Intel Xeon W-2135 Intel Xeon W-2135
6C 12T @ 4.20 GHz
0 (0%)

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 Xeon W-11855M Intel Xeon W-11855M
Intel UHD Graphics 11th Gen (32 EU) @ 1.45 GHz
742 (100%)
Intel Xeon W-2135 Intel Xeon W-2135
@ 0.00 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 Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 4.90 GHz
0 (0%)
Intel Xeon W-2135 Intel Xeon W-2135
6C 12T @ 4.50 GHz
193 (100%)

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 Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 3.80 GHz
0 (0%)
Intel Xeon W-2135 Intel Xeon W-2135
6C 12T @ 4.20 GHz
1382 (100%)

Devices using this processor

Intel Xeon W-11855M Intel Xeon W-2135
Unknown Unknown

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