Xeon W-11955M vs Ultra 9 285H
Aggregate performance score
Core Ultra 9 285H outperforms Xeon W-11955M by an impressive 50% based on our aggregate benchmark results.
Primary details
Comparing Core Ultra 9 285H and Xeon W-11955M processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 257 | 517 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 47.70 |
| Market segment | Laptop | Server |
| Series | no data | Intel Tiger Lake |
| Power efficiency | 44.50 | 38.19 |
| Architecture codename | Arrow Lake-H | Tiger Lake-H (2021) |
| Release date | no data (2024 years ago) | 11 May 2021 (3 years ago) |
| Launch price (MSRP) | no data | $623 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core Ultra 9 285H and Xeon W-11955M 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 | 16 (Hexadeca-Core) | 8 (Octa-Core) |
| Threads | 16 | 16 |
| Base clock speed | no data | 2.1 GHz |
| Boost clock speed | 5.4 GHz | 5 GHz |
| Bus rate | no data | 8 GT/s |
| L1 cache | no data | 80 KB (per core) |
| L2 cache | no data | 1.25 MB (per core) |
| L3 cache | no data | 24 MB (shared) |
| Chip lithography | no data | 10 nm SuperFin |
| Die size | no data | 190 mm2 |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| 64 bit support | - | + |
| Windows 11 compatibility | no data | + |
Compatibility
Information on Core Ultra 9 285H and Xeon W-11955M 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 | no data | 1 |
| Socket | no data | FCBGA1787 |
| Power consumption (TDP) | 45 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Ultra 9 285H and Xeon W-11955M. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| SIPP | - | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
Security technologies
Core Ultra 9 285H and Xeon W-11955M technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| Secure Key | no data | + |
| SGX | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core Ultra 9 285H and Xeon W-11955M are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core Ultra 9 285H and Xeon W-11955M. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 51.2 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel UHD Graphics for 11th Gen Intel Processors |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.45 GHz |
| Execution Units | no data | 32 |
Graphics interfaces
Available interfaces and connections of Core Ultra 9 285H and Xeon W-11955M integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Core Ultra 9 285H and Xeon W-11955M integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096x2304@60Hz |
| Max resolution over eDP | no data | 4096x2304@60Hz |
| Max resolution over DisplayPort | no data | 7680x4320@60Hz |
Graphics API support
APIs supported by Core Ultra 9 285H and Xeon W-11955M integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.1 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Core Ultra 9 285H and Xeon W-11955M.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Performance score | 21.27 | 14.16 |
| Physical cores | 16 | 8 |
| Power consumption (TDP) | 45 Watt | 35 Watt |
Ultra 9 285H has a 50.2% higher aggregate performance score, and 100% more physical cores.
Xeon W-11955M, on the other hand, has 28.6% lower power consumption.
The Core Ultra 9 285H is our recommended choice as it beats the Xeon W-11955M in performance tests.
Be aware that Core Ultra 9 285H is a notebook processor while Xeon W-11955M is a server/workstation one.
Should you still have questions on choice between Core Ultra 9 285H and Xeon W-11955M, ask them in Comments section, and we shall answer.
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