Xeon Platinum 8490H vs EPYC 7773X
Primary details
Comparing EPYC 7773X and Xeon Platinum 8490H processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 22 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Power efficiency | 19.46 | no data |
| Architecture codename | Milan-X (2022) | Sapphire Rapids (2023−2024) |
| Release date | 22 March 2022 (2 years ago) | 10 January 2023 (1 year ago) |
| Launch price (MSRP) | no data | $17,000 |
Detailed specifications
EPYC 7773X and Xeon Platinum 8490H 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 | 64 (Tetrahexaconta-Core) | 60 (Hexaconta-Core) |
| Threads | 128 | 120 |
| Base clock speed | 2.2 GHz | 1.9 GHz |
| Boost clock speed | 3.5 GHz | 3.5 GHz |
| L1 cache | 64K (per core) | 80K (per core) |
| L2 cache | 512K (per core) | 2 MB (per core) |
| L3 cache | 768 MB (shared) | 112.5 MB |
| Chip lithography | 7 nm | Intel 7 nm |
| Die size | 8x 81 mm2 | 4x 477 mm2 |
| Maximum case temperature (TCase) | no data | 79 °C |
| Number of transistors | 33,200 million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | no data | + |
Compatibility
Information on EPYC 7773X and Xeon Platinum 8490H 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 | 2 | 8 |
| Socket | SP3 | FCLGA4677 |
| Power consumption (TDP) | 280 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7773X and Xeon Platinum 8490H. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Precision Boost 2 | + | no data |
| Deep Learning Boost | - | + |
Security technologies
EPYC 7773X and Xeon Platinum 8490H technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 7773X and Xeon Platinum 8490H are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 7773X and Xeon Platinum 8490H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR5-4800, DDR5-4400 |
| Maximum memory size | no data | 4 TB |
| Max memory channels | no data | 8 |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by EPYC 7773X and Xeon Platinum 8490H.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 128 | 80 |
Pros & cons summary
| Recency | 22 March 2022 | 10 January 2023 |
| Physical cores | 64 | 60 |
| Threads | 128 | 120 |
| Power consumption (TDP) | 280 Watt | 350 Watt |
EPYC 7773X has 6.7% more physical cores and 6.7% more threads, and 25% lower power consumption.
Xeon Platinum 8490H, on the other hand, has an age advantage of 9 months.
We couldn't decide between EPYC 7773X and Xeon Platinum 8490H. We've got no test results to judge.
Should you still have questions on choice between EPYC 7773X and Xeon Platinum 8490H, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
