Ultra 9 285K vs Xeon D-1846
Primary details
Comparing Xeon D-1846 and Core Ultra 9 285K processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 54 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 68.51 |
| Market segment | Server | Desktop processor |
| Power efficiency | no data | 31.91 |
| Architecture codename | no data | Arrow Lake-S (2024−2025) |
| Release date | 1 October 2023 (1 year ago) | 24 October 2024 (recently) |
| Launch price (MSRP) | no data | $589 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon D-1846 and Core Ultra 9 285K 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 | 10 (Deca-Core) | 24 (Tetracosa-Core) |
| Threads | 20 | 24 |
| Base clock speed | 2 GHz | 3.7 GHz |
| Boost clock speed | 3.1 GHz | 5.7 GHz |
| Bus rate | no data | 250 MHz |
| L1 cache | no data | 112 KB (per core) |
| L2 cache | no data | 3 MB (per core) |
| L3 cache | 15360 KB | 36 MB (shared) |
| Chip lithography | no data | 3 nm |
| Die size | no data | 243 mm2 |
| Number of transistors | no data | 17,800 million |
| 64 bit support | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon D-1846 and Core Ultra 9 285K 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 | FCBGA2227 | 1851 |
| Power consumption (TDP) | 55 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon D-1846 and Core Ultra 9 285K. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX-512 | no data |
| AES-NI | + | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| QuickAssist | - | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | - | + |
| Thermal Monitoring | + | - |
| Deep Learning Boost | + | - |
Security technologies
Xeon D-1846 and Core Ultra 9 285K technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | no data |
| SGX | Yes with Intel® SPS | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon D-1846 and Core Ultra 9 285K are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon D-1846 and Core Ultra 9 285K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5 Depends on motherboard |
| Maximum memory size | 256 GB | no data |
| Max memory channels | 2 | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Arc Xe-2 Graphics 64EU |
Peripherals
Specifications and connection of peripherals supported by Xeon D-1846 and Core Ultra 9 285K.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 16 | 20 |
| USB revision | 3.0 | no data |
| Max number of SATA 6 Gb/s Ports | 24 | no data |
| Number of USB ports | 4 | no data |
| Integrated LAN | - | no data |
Pros & cons summary
| Recency | 1 October 2023 | 24 October 2024 |
| Physical cores | 10 | 24 |
| Threads | 20 | 24 |
| Power consumption (TDP) | 55 Watt | 125 Watt |
Xeon D-1846 has 127.3% lower power consumption.
Ultra 9 285K, on the other hand, has an age advantage of 1 year, and 140% more physical cores and 20% more threads.
We couldn't decide between Xeon D-1846 and Core Ultra 9 285K. We've got no test results to judge.
Be aware that Xeon D-1846 is a server/workstation processor while Core Ultra 9 285K is a desktop one.
Should you still have questions on choice between Xeon D-1846 and Core Ultra 9 285K, ask them in Comments section, and we shall answer.
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