Intel Core Ultra 7 155U vs Intel Xeon W-1270P

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CPU comparison with benchmarks


Intel Core Ultra 7 155U CPU1 vs CPU2 Intel Xeon W-1270P
Intel Core Ultra 7 155U Intel Xeon W-1270P

CPU comparison

In this CPU comparison, we compare the Intel Core Ultra 7 155U and the Intel Xeon W-1270P and use benchmarks to check which processor is faster.

We compare the Intel Core Ultra 7 155U 12 core processor released in Q4/2023 with the Intel Xeon W-1270P which has 8 CPU cores and was introduced in Q2/2020.
Intel Core Ultra 7 (10) Family Intel Xeon W (83)
Intel Core Ultra 100U (7) CPU group Intel Xeon W-1200 (13)
1 Generation 10
Meteor Lake U Architecture Comet Lake W
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core Ultra 7 155U is a 12 core processor with a clock frequency of 1.70 GHz (4.80 GHz). The processor can compute 14 threads at the same time. The Intel Xeon W-1270P clocks with 3.80 GHz (5.10 GHz), has 8 CPU cores and can calculate 16 threads in parallel.

Intel Core Ultra 7 155U Characteristic Intel Xeon W-1270P
12 Cores 8
14 Threads 16
hybrid (big.LITTLE) Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
1.70 GHz (4.80 GHz)
2x Redwood Cove
A-Core 3.80 GHz (5.10 GHz)
1.20 GHz (3.80 GHz)
8x Crestmont
B-Core --
0.70 GHz (2.10 GHz)
2x Crestmont
C-Core --

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Core Ultra 7 155U Characteristic Intel Xeon W-1270P
Intel® AI Boost AI hardware --
Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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 Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) GPU Intel UHD Graphics P630
0.60 GHz GPU frequency 0.35 GHz
1.95 GHz GPU (Turbo) 1.20 GHz
-- GPU Generation 9.5
5 nm Technology 14 nm
4 Max. displays 3
64 Compute units 24
512 Shader 192
Yes Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory 64 GB
12.2 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 4 Core Graphics 64 EUs (Meteor Lake) GPU Intel UHD Graphics P630
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 Codec VP9 Decode / Encode
Decode Codec VP8 Decode / Encode
Decode / Encode Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 96 GB of memory in a maximum of 2 memory channels is supported by the Intel Core Ultra 7 155U, while the Intel Xeon W-1270P supports a maximum of 128 GB of memory with a maximum memory bandwidth of 46.9 GB/s enabled.

Intel Core Ultra 7 155U Characteristic Intel Xeon W-1270P
LPDDR5X-7500, DDR5-5600 Memory DDR4-2933
96 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 46.9 GB/s
No ECC Yes
12.00 MB L2 Cache 16.00 MB
-- L3 Cache --
4.0 PCIe version 3.0
20 PCIe lanes 16
39.4 GB/s PCIe Bandwidth 15.8 GB/s

Thermal Management

The Intel Core Ultra 7 155U has a TDP of 15 W. The TDP of the Intel Xeon W-1270P is 125 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core Ultra 7 155U Characteristic Intel Xeon W-1270P
15 W TDP (PL1 / PBP) 125 W
57 W TDP (PL2) --
28 W TDP up --
12 W TDP down 95 W
110 °C Tjunction max. 100 °C

Technical details

The Intel Core Ultra 7 155U has 12.00 MB cache and is manufactured in 7 nm. The cache of Intel Xeon W-1270P is at 16.00 MB. The processor is manufactured in 14 nm.

Intel Core Ultra 7 155U Characteristic Intel Xeon W-1270P
7 nm Technology 14 nm
Chiplet Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
BGA 2049 Socket LGA 1200
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 11, Linux Operating systems Windows 10, Linux
Q4/2023 Release date Q2/2020
-- Release price 428 $
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Rate these processors

Here you can rate the Intel Core Ultra 7 155U to help other visitors make their purchasing decisions. The average rating is 3.7 stars (13 ratings). Rate now:
Here you can rate the Intel Xeon W-1270P to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core Ultra 7 155U (100%)
Intel Xeon W-1270P (74%)
⌀ Multi core performance in 1 CPU benchmarks
Intel Core Ultra 7 155U (100%)
Intel Xeon W-1270P (86%)

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 Ultra 7 155U Intel Core Ultra 7 155U
12C 14T @ 4.80 GHz
2354 (100%)
Intel Xeon W-1270P Intel Xeon W-1270P
8C 16T @ 5.10 GHz
1740 (74%)

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 Ultra 7 155U Intel Core Ultra 7 155U
12C 14T @ 1.70 GHz
9716 (100%)
Intel Xeon W-1270P Intel Xeon W-1270P
8C 16T @ 4.60 GHz
8389 (86%)

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 Ultra 7 155U Intel Core Ultra 7 155U
Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) @ 1.95 GHz
1935 (100%)
Intel Xeon W-1270P Intel Xeon W-1270P
Intel UHD Graphics P630 @ 1.20 GHz
461 (24%)

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 Ultra 7 155U Intel Core Ultra 7 155U
12C 14T @ 4.80 GHz
0 (0%)
Intel Xeon W-1270P Intel Xeon W-1270P
8C 16T @ 5.10 GHz
1491 (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 Ultra 7 155U Intel Core Ultra 7 155U
12C 14T @ 1.70 GHz
0 (0%)
Intel Xeon W-1270P Intel Xeon W-1270P
8C 16T @ 4.60 GHz
9612 (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 Core Ultra 7 155U Intel Core Ultra 7 155U
12C 14T @ 1.70 GHz
0 (0%)
Intel Xeon W-1270P Intel Xeon W-1270P
8C 16T @ 4.60 GHz
19264 (100%)

Devices using this processor

Intel Core Ultra 7 155U Intel Xeon W-1270P
Unknown Unknown

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