Ultra 9 285T vs Xeon D-1577
Primary details
Comparing Xeon D-1577 and Core Ultra 9 285T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 977 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.86 | no data |
| Market segment | Server | Desktop processor |
| Series | Intel Xeon D | no data |
| Power efficiency | 15.42 | no data |
| Architecture codename | Broadwell (2015−2019) | Arrow Lake-S (2024−2025) |
| Release date | 24 February 2016 (8 years ago) | January 2025 |
| Launch price (MSRP) | $1,176 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon D-1577 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 | 16 (Hexadeca-Core) | 24 (Tetracosa-Core) |
| Threads | 32 | 24 |
| Base clock speed | 1.3 GHz | 1.4 GHz |
| Boost clock speed | 2.1 GHz | 5.4 GHz |
| Bus type | DMI 2.0 | no data |
| Multiplier | 13 | no data |
| L1 cache | 1 MB | 112 KB (per core) |
| L2 cache | 4 MB | 3 MB (per core) |
| L3 cache | 24 MB | 36 MB (shared) |
| Chip lithography | 14 nm | 3 nm |
| Die size | 306.18 mm2 | 243 mm2 |
| Maximum case temperature (TCase) | 80 °C | no data |
| Number of transistors | 4700 Million | 17,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Xeon D-1577 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 (Uniprocessor) | 1 |
| Socket | FCBGA1667 | 1851 |
| Power consumption (TDP) | 45 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon D-1577 and Core Ultra 9 285T. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX2 | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| GPIO | + | no data |
Security technologies
Xeon D-1577 and Core Ultra 9 285T technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | no data |
| Secure Key | + | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon D-1577 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 D-1577 and Core Ultra 9 285T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4, DDR3 | DDR5 Depends on motherboard |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 38.397 GB/s | 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 D-1577 and Core Ultra 9 285T.
| PCIe version | 2.0/3.0 | 5.0 |
| PCI Express lanes | 24 | 20 |
| USB revision | 2.0/3.0 | no data |
| Total number of SATA ports | 6 | no data |
| Number of USB ports | 8 | no data |
| Integrated LAN | + | no data |
| UART | + | no data |
Pros & cons summary
| Physical cores | 16 | 24 |
| Threads | 32 | 24 |
| Chip lithography | 14 nm | 3 nm |
| Power consumption (TDP) | 45 Watt | 35 Watt |
Xeon D-1577 has 33.3% more threads.
Ultra 9 285T, on the other hand, has 50% more physical cores, a 366.7% more advanced lithography process, and 28.6% lower power consumption.
We couldn't decide between Xeon D-1577 and Core Ultra 9 285T. We've got no test results to judge.
Be aware that Xeon D-1577 is a server/workstation processor while Core Ultra 9 285T is a desktop one.
Should you still have questions on choice between Xeon D-1577 and Core Ultra 9 285T, ask them in Comments section, and we shall answer.
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