Ultra 9 285 vs Xeon Platinum 8444H
Primary details
Comparing Xeon Platinum 8444H and Core Ultra 9 285 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Desktop processor |
| Architecture codename | Sapphire Rapids (2023−2024) | Arrow Lake-S (2024−2025) |
| Release date | 10 January 2023 (1 year ago) | January 2025 |
| Launch price (MSRP) | $4,234 | no data |
Detailed specifications
Xeon Platinum 8444H and Core Ultra 9 285 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) | 24 (Tetracosa-Core) |
| Threads | 32 | 24 |
| Base clock speed | 2.9 GHz | 2.5 GHz |
| Boost clock speed | 4 GHz | 5.6 GHz |
| L1 cache | 80K (per core) | 112 KB (per core) |
| L2 cache | 2 MB (per core) | 3 MB (per core) |
| L3 cache | 45 MB | 36 MB (shared) |
| Chip lithography | Intel 7 nm | 3 nm |
| Die size | 4x 477 mm2 | 243 mm2 |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 17,800 million |
| 64 bit support | + | + |
Compatibility
Information on Xeon Platinum 8444H and Core Ultra 9 285 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 | 8 | 1 |
| Socket | FCLGA4677 | 1851 |
| Power consumption (TDP) | 270 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Platinum 8444H and Core Ultra 9 285. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | + |
| Deep Learning Boost | + | - |
Security technologies
Xeon Platinum 8444H and Core Ultra 9 285 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | no data |
| SGX | Yes with Intel® SPS | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Platinum 8444H and Core Ultra 9 285 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8444H and Core Ultra 9 285. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-4800, DDR5-4400 | DDR5 Depends on motherboard |
| Maximum memory size | 4 TB | no data |
| Max memory channels | 8 | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Arc Xe2 Graphics 64EU |
Peripherals
Specifications and connection of peripherals supported by Xeon Platinum 8444H and Core Ultra 9 285.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 80 | 20 |
Pros & cons summary
| Physical cores | 16 | 24 |
| Threads | 32 | 24 |
| Power consumption (TDP) | 270 Watt | 125 Watt |
Xeon Platinum 8444H has 33.3% more threads.
Ultra 9 285, on the other hand, has 50% more physical cores, and 116% lower power consumption.
We couldn't decide between Xeon Platinum 8444H and Core Ultra 9 285. We've got no test results to judge.
Be aware that Xeon Platinum 8444H is a server/workstation processor while Core Ultra 9 285 is a desktop one.
Should you still have questions on choice between Xeon Platinum 8444H and Core Ultra 9 285, ask them in Comments section, and we shall answer.
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