Ultra 7 155U vs Xeon W-11955M

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Aggregate performance score

Xeon W-11955M
2021
8 cores / 16 threads, 35 Watt
14.16
+34.5%
Core Ultra 7 155U
2023
12 cores / 14 threads, 15 Watt
10.53

Xeon W-11955M outperforms Core Ultra 7 155U by a substantial 34% based on our aggregate benchmark results.

Primary details

Comparing Xeon W-11955M and Core Ultra 7 155U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking516743
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation47.49no data
Market segmentServerLaptop
SeriesIntel Tiger LakeIntel Meteor Lake-U
Power efficiency38.2666.39
Architecture codenameTiger Lake-H (2021)Meteor Lake-P (2023)
Release date11 May 2021 (3 years ago)14 December 2023 (1 year ago)
Launch price (MSRP)$623$490

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon W-11955M and Core Ultra 7 155U basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores8 (Octa-Core)12 (Dodeca-Core)
Threads1614
Base clock speed2.1 GHz1.7 GHz
Boost clock speed5 GHz4.8 GHz
Bus rate8 GT/sno data
L1 cache80 KB (per core)112 KB (per core)
L2 cache1.25 MB (per core)2 MB (per core)
L3 cache24 MB (shared)12 MB (shared)
Chip lithography10 nm SuperFinIntel 4 nm
Die size190 mm2no data
Maximum core temperature100 °C110 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on Xeon W-11955M and Core Ultra 7 155U compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFCBGA1787FCBGA2049
Power consumption (TDP)35 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-11955M and Core Ultra 7 155U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA+-
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Speed Shift++
Hyper-Threading Technology++
TSX++
Thermal Monitoring++
Flex Memory Access++
SIPP+-
Turbo Boost Max 3.0+-
Deep Learning Boost++
Supported AI Software Frameworks-OpenVINO™, WindowsML, ONNX RT

Security technologies

Xeon W-11955M and Core Ultra 7 155U technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDBno data+
Secure Key++
SGX-no data
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-11955M and Core Ultra 7 155U are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-11955M and Core Ultra 7 155U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5
Maximum memory size128 GB96 GB
Max memory channels22
Maximum memory bandwidth51.2 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics for 11th Gen Intel ProcessorsIntel® Graphics
Quick Sync Video++
Graphics max frequency1.45 GHz1.95 GHz
Execution Units32no data

Graphics interfaces

Available interfaces and connections of Xeon W-11955M and Core Ultra 7 155U integrated GPUs.

Number of displays supported44

Graphics image quality

Maximum display resolutions supported by Xeon W-11955M and Core Ultra 7 155U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096x2304@60Hz4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDP4096x2304@60Hz3840x2400 @ 120Hz
Max resolution over DisplayPort7680x4320@60Hz7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Xeon W-11955M and Core Ultra 7 155U integrated GPUs, sometimes API versions are included.

DirectX12.112.2
OpenGL4.64.6

Peripherals

Specifications and connection of peripherals supported by Xeon W-11955M and Core Ultra 7 155U.

PCIe version4.04.0
PCI Express lanes2012
PCI supportno data4.0

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Xeon W-11955M 14.16
+34.5%
Ultra 7 155U 10.53

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Xeon W-11955M 22493
+34.4%
Ultra 7 155U 16731

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Xeon W-11955M 1846
+22.7%
Ultra 7 155U 1505

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Xeon W-11955M 230
Ultra 7 155U 235
+2.2%

Geekbench 5.5 Multi-Core

Xeon W-11955M 9058
+14.3%
Ultra 7 155U 7927

Blender(-)

Xeon W-11955M 276
Ultra 7 155U 353
+27.9%

Geekbench 5.5 Single-Core

Xeon W-11955M 1587
Ultra 7 155U 1689
+6.5%

7-Zip Single

Xeon W-11955M 5222
+7.3%
Ultra 7 155U 4868

7-Zip

Xeon W-11955M 47264
+22.8%
Ultra 7 155U 38495

WebXPRT 3

Xeon W-11955M 271
+3.8%
Ultra 7 155U 261

Gaming performance

Pros & cons summary


Performance score 14.16 10.53
Recency 11 May 2021 14 December 2023
Physical cores 8 12
Threads 16 14
Power consumption (TDP) 35 Watt 15 Watt

Xeon W-11955M has a 34.5% higher aggregate performance score, and 14.3% more threads.

Ultra 7 155U, on the other hand, has an age advantage of 2 years, 50% more physical cores, and 133.3% lower power consumption.

The Xeon W-11955M is our recommended choice as it beats the Core Ultra 7 155U in performance tests.

Be aware that Xeon W-11955M is a server/workstation processor while Core Ultra 7 155U is a notebook one.


Should you still have questions on choice between Xeon W-11955M and Core Ultra 7 155U, ask them in Comments section, and we shall answer.

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Intel Xeon W-11955M
Xeon W-11955M
Intel Core Ultra 7 155U
Core Ultra 7 155U

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Community ratings

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Questions & comments

Here you can ask a question about Xeon W-11955M or Core Ultra 7 155U, agree or disagree with our judgements, or report an error or mismatch.