Core Ultra 7 155U vs Xeon W-11955M
Aggregate performance score
Xeon W-11955M outperforms Core Ultra 7 155U by a substantial 38% 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 performance ranking | 460 | 686 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 63.71 | no data |
| Market segment | Server | Laptop |
| Series | Intel Tiger Lake | Intel Meteor Lake-U |
| Architecture codename | Tiger Lake-H (2021) | Meteor Lake-P |
| Release date | 11 May 2021 (3 years ago) | 14 December 2023 (less than a year ago) |
| Current price | $345 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
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 cores | 8 (Octa-Core) | 12 (Dodeca-Core) |
| Threads | 16 | 142 x 4.8 GHz Intel Redwood Cove P-Core8 x 3.8 GHz Intel Crestmont E-Core2 x 2.1 GHz Intel Crestmont E-Core |
| Base clock speed | 2.6 GHz | 1.7 GHz |
| Boost clock speed | 5 GHz | 4.8 GHz |
| L1 cache | 96K (per core) | 112 KB (per core) |
| L2 cache | 1.25 MB (per core) | 2 MB (per core) |
| L3 cache | 24 MB (shared) | 12 MB (shared) |
| Chip lithography | 10 nm SuperFin | 7 nm |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | No | No |
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 configuration | 1 | 1 |
| Socket | FCBGA1787 | FCBGA2049 |
| Power consumption (TDP) | 35 Watt | 15 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 extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| FMA | + | no data |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | + |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | + | + |
| SIPP | + | - |
| Turbo Boost Max 3.0 | + | - |
| Status | Discontinued | Launched |
Security technologies
Xeon W-11955M and Core Ultra 7 155U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no 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 types | DDR4 | DDR5 |
| Maximum memory size | 128 GB | 96 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 51.2 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® UHD Graphics for 11th Gen Intel® Processors | Intel® Graphics |
| Quick Sync Video | + | + |
| Graphics max frequency | 1.45 GHz | 1.95 GHz |
| Execution Units | 32 | no data |
Graphics interfaces
Available interfaces and connections of Xeon W-11955M and Core Ultra 7 155U integrated GPUs.
| Number of displays supported | 4 | 4 |
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 1.4 | 4096x2304@60Hz | 4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL) |
| Max resolution over eDP | 4096x2304@60Hz | 3840x2400 @ 120Hz |
| Max resolution over DisplayPort | 7680x4320@60Hz | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Xeon W-11955M and Core Ultra 7 155U integrated GPUs, sometimes API versions are included.
| DirectX | 12.1 | 12.2 |
| OpenGL | 4.6 | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Xeon W-11955M and Core Ultra 7 155U.
| PCIe version | 4.0 | 4.0 |
| PCI Express lanes | 20 | 20 |
| PCI support | no data | 4.0 |
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 outperforms Core Ultra 7 155U by 38% based on our aggregate benchmark results.
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.
Benchmark coverage: 68%
Xeon W-11955M outperforms Core Ultra 7 155U by 38% in Passmark.
Cinebench 15 64-bit multi-core
Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.
Benchmark coverage: 15%
Xeon W-11955M outperforms Core Ultra 7 155U by 23% in Cinebench 15 64-bit multi-core.
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.
Benchmark coverage: 15%
Pros & cons summary
| Performance score | 14.62 | 10.57 |
| Recency | 11 May 2021 | 14 December 2023 |
| Physical cores | 8 | 12 |
| Threads | 16 | 142 x 4.8 GHz Intel Redwood Cove P-Core8 x 3.8 GHz Intel Crestmont E-Core2 x 2.1 GHz Intel Crestmont E-Core |
| Chip lithography | 10 nm | 7 nm |
| Power consumption (TDP) | 35 Watt | 15 Watt |
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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