Ultra 9 285T vs Xeon Gold 6438Y
Primary details
Comparing Xeon Gold 6438Y and Core Ultra 9 285T 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 | no data | Arrow Lake-S (2024−2025) |
| Release date | 1 January 2023 (1 year ago) | January 2025 |
Detailed specifications
Xeon Gold 6438Y 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 | 32 (Dotriaconta-Core) | 24 (Tetracosa-Core) |
| Threads | 64 | 24 |
| Base clock speed | 2 GHz | 1.4 GHz |
| Boost clock speed | 4 GHz | 5.4 GHz |
| L1 cache | no data | 112 KB (per core) |
| L2 cache | no data | 3 MB (per core) |
| L3 cache | 60 MB | 36 MB (shared) |
| Chip lithography | Intel 7 nm | 3 nm |
| Die size | no data | 243 mm2 |
| Maximum core temperature | 76 °C | no data |
| Number of transistors | no data | 17,800 million |
| 64 bit support | - | + |
Compatibility
Information on Xeon Gold 6438Y 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 | no data | 1 |
| Socket | FCLGA4677 | 1851 |
| Power consumption (TDP) | 205 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Gold 6438Y and Core Ultra 9 285T. 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 | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | + |
| Deep Learning Boost | + | - |
Security technologies
Xeon Gold 6438Y and Core Ultra 9 285T 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 Gold 6438Y 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 Gold 6438Y and Core Ultra 9 285T. 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 Gold 6438Y and Core Ultra 9 285T.
| PCIe version | 5 | 5.0 |
| PCI Express lanes | 80 | 20 |
Pros & cons summary
| Physical cores | 32 | 24 |
| Threads | 64 | 24 |
| Power consumption (TDP) | 205 Watt | 35 Watt |
Xeon Gold 6438Y has 33.3% more physical cores and 166.7% more threads.
Ultra 9 285T, on the other hand, has 485.7% lower power consumption.
We couldn't decide between Xeon Gold 6438Y and Core Ultra 9 285T. We've got no test results to judge.
Be aware that Xeon Gold 6438Y is a server/workstation processor while Core Ultra 9 285T is a desktop one.
Should you still have questions on choice between Xeon Gold 6438Y and Core Ultra 9 285T, ask them in Comments section, and we shall answer.
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