Ultra 9 285T vs Xeon W-11955M
Primary details
Comparing Xeon W-11955M and Core Ultra 9 285T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 516 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 47.49 | no data |
| Market segment | Server | Desktop processor |
| Series | Intel Tiger Lake | no data |
| Power efficiency | 38.26 | no data |
| Architecture codename | Tiger Lake-H (2021) | Arrow Lake-S (2024−2025) |
| Release date | 11 May 2021 (3 years ago) | January 2025 |
| Launch price (MSRP) | $623 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon W-11955M and Core Ultra 9 285T 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) | 24 (Tetracosa-Core) |
| Threads | 16 | 24 |
| Base clock speed | 2.1 GHz | 1.4 GHz |
| Boost clock speed | 5 GHz | 5.4 GHz |
| Bus rate | 8 GT/s | no data |
| L1 cache | 80 KB (per core) | 112 KB (per core) |
| L2 cache | 1.25 MB (per core) | 3 MB (per core) |
| L3 cache | 24 MB (shared) | 36 MB (shared) |
| Chip lithography | 10 nm SuperFin | 3 nm |
| Die size | 190 mm2 | 243 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 17,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Xeon W-11955M and Core Ultra 9 285T 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 | 1851 |
| Power consumption (TDP) | 35 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon W-11955M and Core Ultra 9 285T. 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 | no data |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| 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
Xeon W-11955M and Core Ultra 9 285T technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| Secure Key | + | no data |
| SGX | - | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon W-11955M and Core Ultra 9 285T are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon W-11955M and Core Ultra 9 285T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5 Depends on motherboard |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| 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 | Arc Xe2 Graphics 64EU |
| Quick Sync Video | + | - |
| Graphics max frequency | 1.45 GHz | no data |
| Execution Units | 32 | no data |
Graphics interfaces
Available interfaces and connections of Xeon W-11955M and Core Ultra 9 285T integrated GPUs.
| Number of displays supported | 4 | no data |
Graphics image quality
Maximum display resolutions supported by Xeon W-11955M and Core Ultra 9 285T integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 4096x2304@60Hz | no data |
| Max resolution over eDP | 4096x2304@60Hz | no data |
| Max resolution over DisplayPort | 7680x4320@60Hz | no data |
Graphics API support
APIs supported by Xeon W-11955M and Core Ultra 9 285T integrated GPUs, sometimes API versions are included.
| DirectX | 12.1 | no data |
| OpenGL | 4.6 | no data |
Peripherals
Specifications and connection of peripherals supported by Xeon W-11955M and Core Ultra 9 285T.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 20 | 20 |
Pros & cons summary
| Physical cores | 8 | 24 |
| Threads | 16 | 24 |
| Chip lithography | 10 nm | 3 nm |
Ultra 9 285T has 200% more physical cores and 50% more threads, and a 233.3% more advanced lithography process.
We couldn't decide between Xeon W-11955M and Core Ultra 9 285T. We've got no test results to judge.
Be aware that Xeon W-11955M is a server/workstation processor while Core Ultra 9 285T is a desktop one.
Should you still have questions on choice between Xeon W-11955M and Core Ultra 9 285T, ask them in Comments section, and we shall answer.
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