Xeon Platinum 8490H vs Ryzen 9 3900X
Primary details
Comparing Ryzen 9 3900X and Xeon Platinum 8490H processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 275 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 21.73 | no data |
| Market segment | Desktop processor | Server |
| Series | AMD Ryzen 9 | no data |
| Power efficiency | 15.53 | no data |
| Architecture codename | Matisse (Zen 2) (2019−2020) | Sapphire Rapids (2023−2024) |
| Release date | 7 July 2019 (5 years ago) | 10 January 2023 (1 year ago) |
| Launch price (MSRP) | $499 | $17,000 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 9 3900X 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 | 12 (Dodeca-Core) | 60 (Hexaconta-Core) |
| Threads | 24 | 120 |
| Base clock speed | 3.8 GHz | 1.9 GHz |
| Boost clock speed | 4.6 GHz | 3.5 GHz |
| L1 cache | 96K (per core) | 80K (per core) |
| L2 cache | 512K (per core) | 2 MB (per core) |
| L3 cache | 64 MB | 112.5 MB |
| Chip lithography | 7 nm, 12 nm | Intel 7 nm |
| Die size | no data | 4x 477 mm2 |
| Maximum core temperature | 95 °C | no data |
| Maximum case temperature (TCase) | no data | 79 °C |
| Number of transistors | 19,200 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 3900X 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 | 1 (Uniprocessor) | 8 |
| Socket | AM4 | FCLGA4677 |
| Power consumption (TDP) | 125 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 3900X 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
Ryzen 9 3900X 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 Ryzen 9 3900X 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 Ryzen 9 3900X and Xeon Platinum 8490H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR5-4800, DDR5-4400 |
| Maximum memory size | 128 GB | 4 TB |
| Max memory channels | 2 | 8 |
| Maximum memory bandwidth | 51.196 GB/s | no data |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 3900X and Xeon Platinum 8490H.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 80 |
Pros & cons summary
| Recency | 7 July 2019 | 10 January 2023 |
| Physical cores | 12 | 60 |
| Threads | 24 | 120 |
| Power consumption (TDP) | 125 Watt | 350 Watt |
Ryzen 9 3900X has 180% lower power consumption.
Xeon Platinum 8490H, on the other hand, has an age advantage of 3 years, and 400% more physical cores and 400% more threads.
We couldn't decide between Ryzen 9 3900X and Xeon Platinum 8490H. We've got no test results to judge.
Note that Ryzen 9 3900X is a desktop processor while Xeon Platinum 8490H is a server/workstation one.
Should you still have questions on choice between Ryzen 9 3900X and Xeon Platinum 8490H, ask them in Comments section, and we shall answer.
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