Intel Xeon W-2135 vs Intel Core Ultra 7 155U

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CPU comparison with benchmarks


Intel Xeon W-2135 CPU1 vs CPU2 Intel Core Ultra 7 155U
Intel Xeon W-2135 Intel Core Ultra 7 155U

CPU comparison

In this CPU comparison, we compare the Intel Xeon W-2135 and the Intel Core Ultra 7 155U and use benchmarks to check which processor is faster.

We compare the Intel Xeon W-2135 6 core processor released in Q3/2017 with the Intel Core Ultra 7 155U which has 12 CPU cores and was introduced in Q4/2023.
Intel Xeon W (83) Family Intel Core Ultra 7 (9)
Intel Xeon W-2100/3100 (15) CPU group Intel Core Ultra 100U (7)
6 Generation 1
Skylake W Architecture Meteor Lake U
Desktop / Server Segment Mobile
-- Predecessor --
Intel Xeon W-2235 Successor --

CPU Cores and Base Frequency

The Intel Xeon W-2135 is a 6 core processor with a clock frequency of 3.70 GHz (4.50 GHz). The processor can compute 12 threads at the same time. The Intel Core Ultra 7 155U clocks with 1.70 GHz (4.80 GHz), has 12 CPU cores and can calculate 14 threads in parallel.

Intel Xeon W-2135 Characteristic Intel Core Ultra 7 155U
6 Cores 12
12 Threads 14
normal Core architecture hybrid (big.LITTLE)
Yes Hyperthreading Yes
No Overclocking ? No
3.70 GHz (4.50 GHz) A-Core 1.70 GHz (4.80 GHz)
2x Redwood Cove
-- B-Core 1.20 GHz (3.80 GHz)
8x Crestmont
-- C-Core 0.70 GHz (2.10 GHz)
2x Crestmont

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-2135 Characteristic Intel Core Ultra 7 155U
-- AI hardware Intel AI engine
-- AI specifications Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT)

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.

no iGPU GPU Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake)
GPU frequency 0.60 GHz
-- GPU (Turbo) 1.95 GHz
-- GPU Generation --
Technology 5 nm
Max. displays 4
-- Compute units 64
-- Shader 512
No Hardware Raytracing Yes
No Frame Generation No
-- Max. GPU Memory 32 GB
-- DirectX Version 12.2

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.

no iGPU GPU Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake)
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode
No Codec VP8 Decode
No Codec AV1 Decode / Encode
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

Up to 512 GB of memory in a maximum of 4 memory channels is supported by the Intel Xeon W-2135, while the Intel Core Ultra 7 155U supports a maximum of 96 GB of memory with a maximum memory bandwidth of 120.0 GB/s enabled.

Intel Xeon W-2135 Characteristic Intel Core Ultra 7 155U
DDR4-2666 Memory LPDDR5X-7500, DDR5-5600
512 GB Max. Memory 96 GB
4 (Quad Channel) Memory channels 2 (Dual Channel)
85.4 GB/s Max. Bandwidth 120.0 GB/s
Yes ECC No
-- L2 Cache 12.00 MB
8.25 MB L3 Cache --
3.0 PCIe version 4.0
48 PCIe lanes 20
47.3 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The Intel Xeon W-2135 has a TDP of 140 W. The TDP of the Intel Core Ultra 7 155U is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Xeon W-2135 Characteristic Intel Core Ultra 7 155U
140 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) 57 W
-- TDP up 28 W
-- TDP down 12 W
-- Tjunction max. 110 °C

Technical details

The Intel Xeon W-2135 has 8.25 MB cache and is manufactured in 14 nm. The cache of Intel Core Ultra 7 155U is at 12.00 MB. The processor is manufactured in 7 nm.

Intel Xeon W-2135 Characteristic Intel Core Ultra 7 155U
14 nm Technology 7 nm
Monolithic Chip design Chiplet
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
LGA 2066 Socket BGA 2049
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 11, Linux
Q3/2017 Release date Q4/2023
835 $ Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Xeon W-2135 to help other visitors make their purchasing decisions. The average rating is 4.7 stars (3 ratings). Rate now:
Here you can rate the Intel Core Ultra 7 155U to help other visitors make their purchasing decisions. The average rating is 4.0 stars (10 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Xeon W-2135 (60%)
Intel Core Ultra 7 155U (100%)
⌀ Multi core performance in 1 CPU benchmarks
Intel Xeon W-2135 (73%)
Intel Core Ultra 7 155U (100%)

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-2135 Intel Xeon W-2135
6C 12T @ 4.50 GHz
1422 (60%)
Intel Core Ultra 7 155U Intel Core Ultra 7 155U
12C 14T @ 4.80 GHz
2354 (100%)

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-2135 Intel Xeon W-2135
6C 12T @ 4.20 GHz
7084 (73%)
Intel Core Ultra 7 155U Intel Core Ultra 7 155U
12C 14T @ 1.70 GHz
9716 (100%)

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-2135 Intel Xeon W-2135
6C 12T @ 4.50 GHz
1196 (100%)
Intel Core Ultra 7 155U Intel Core Ultra 7 155U
12C 14T @ 4.80 GHz
0 (0%)

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-2135 Intel Xeon W-2135
6C 12T @ 4.20 GHz
7254 (100%)
Intel Core Ultra 7 155U Intel Core Ultra 7 155U
12C 14T @ 1.70 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-2135 Intel Xeon W-2135
@ 0.00 GHz
0 (0%)
Intel Core Ultra 7 155U Intel Core Ultra 7 155U
Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) @ 1.95 GHz
1935 (100%)

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-2135 Intel Xeon W-2135
6C 12T @ 4.20 GHz
14244 (100%)
Intel Core Ultra 7 155U Intel Core Ultra 7 155U
12C 14T @ 1.70 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-2135 Intel Xeon W-2135
6C 12T @ 4.50 GHz
193 (100%)
Intel Core Ultra 7 155U Intel Core Ultra 7 155U
12C 14T @ 4.80 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 Xeon W-2135 Intel Xeon W-2135
6C 12T @ 4.20 GHz
1382 (100%)
Intel Core Ultra 7 155U Intel Core Ultra 7 155U
12C 14T @ 1.70 GHz
0 (0%)

Devices using this processor

Intel Xeon W-2135 Intel Core Ultra 7 155U
Unknown Unknown

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