Xeon Platinum 8450H vs Ryzen 9 5900X
Primary details
Comparing Ryzen 9 5900X and Xeon Platinum 8450H processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 185 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 33.13 | no data |
| Market segment | Desktop processor | Server |
| Series | AMD Ryzen 9 | no data |
| Architecture codename | Vermeer (Zen3) (2020−2022) | Sapphire Rapids (2023) |
| Release date | 8 October 2020 (3 years ago) | 10 January 2023 (1 year ago) |
| Launch price (MSRP) | $549 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 9 5900X and Xeon Platinum 8450H 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) | 28 (Octacosa-Core) |
| Threads | 24 | 56 |
| Base clock speed | 3.7 GHz | 2 GHz |
| Boost clock speed | 4.8 GHz | 3.5 GHz |
| Multiplier | 37 | no data |
| L1 cache | 768 KB | 80K (per core) |
| L2 cache | 6 MB | 2 MB (per core) |
| L3 cache | 64 MB | 75 MB |
| Chip lithography | 7 nm, 12 nm | Intel 7 nm |
| Die size | 2x 80.7 + 125 (I/O) mm2 | 4x 477 mm2 |
| Maximum case temperature (TCase) | 95 °C | 76 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 5900X and Xeon Platinum 8450H 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 | 8 |
| Socket | AM4 (1331) | FCLGA4677 |
| Power consumption (TDP) | 105 Watt | 250 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 5900X and Xeon Platinum 8450H. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2 | 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 | - | + |
| Status | no data | Launched |
| Precision Boost 2 | + | no data |
| Deep Learning Boost | - | + |
Security technologies
Ryzen 9 5900X and Xeon Platinum 8450H 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 5900X and Xeon Platinum 8450H 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 5900X and Xeon Platinum 8450H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | 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 5900X and Xeon Platinum 8450H.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | no data | 80 |
Pros & cons summary
| Recency | 8 October 2020 | 10 January 2023 |
| Physical cores | 12 | 28 |
| Threads | 24 | 56 |
| Power consumption (TDP) | 105 Watt | 250 Watt |
Ryzen 9 5900X has 138.1% lower power consumption.
Xeon Platinum 8450H, on the other hand, has an age advantage of 2 years, and 133.3% more physical cores and 133.3% more threads.
We couldn't decide between Ryzen 9 5900X and Xeon Platinum 8450H. We've got no test results to judge.
Note that Ryzen 9 5900X is a desktop processor while Xeon Platinum 8450H is a server/workstation one.
Should you still have questions on choice between Ryzen 9 5900X and Xeon Platinum 8450H, 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.
