Ryzen 9 3900 vs Xeon Platinum 8268
Aggregate performance score
Xeon Platinum 8268 outperforms Ryzen 9 3900 by a moderate 12% based on our aggregate benchmark results.
Primary details
Comparing Xeon Platinum 8268 and Ryzen 9 3900 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 245 | 300 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 5.48 | 20.74 |
| Market segment | Server | Desktop processor |
| Series | Intel Xeon Platinum | AMD Matisse (Ryzen 3000 Desktop) |
| Power efficiency | 10.02 | 28.16 |
| Architecture codename | Cascade Lake-SP (2018) | Matisse (Zen 2) (2019−2020) |
| Release date | 11 December 2018 (6 years ago) | 24 September 2019 (5 years ago) |
| Launch price (MSRP) | $6,302 | $499 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Ryzen 9 3900 has 278% better value for money than Xeon Platinum 8268.
Detailed specifications
Xeon Platinum 8268 and Ryzen 9 3900 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 | 24 (Tetracosa-Core) | 12 (Dodeca-Core) |
| Threads | 48 | 24 |
| Base clock speed | 2.9 GHz | 3.1 GHz |
| Boost clock speed | 3.9 GHz | 4.3 GHz |
| Multiplier | 29 | no data |
| L1 cache | 64 KB (per core) | 768 KB |
| L2 cache | 1 MB (per core) | 6 MB |
| L3 cache | 35.75 MB (shared) | 64 MB |
| Chip lithography | 14 nm | 7 nm, 12 nm |
| Die size | no data | 2x 74 mm2 |
| Maximum core temperature | 84 °C | no data |
| Number of transistors | 8,000 million | 7,600 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon Platinum 8268 and Ryzen 9 3900 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 | 8 (Multiprocessor) | 1 |
| Socket | FCLGA3647 | AM4 |
| Power consumption (TDP) | 205 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Platinum 8268 and Ryzen 9 3900. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 | 86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2 |
| 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 | + | - |
| Turbo Boost Max 3.0 | - | no data |
| Precision Boost 2 | no data | + |
| Deep Learning Boost | + | - |
Security technologies
Xeon Platinum 8268 and Ryzen 9 3900 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Platinum 8268 and Ryzen 9 3900 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 Xeon Platinum 8268 and Ryzen 9 3900. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2933 | DDR4-3200 |
| Maximum memory size | 1 TB | 128 GB |
| Max memory channels | 6 | 2 |
| Maximum memory bandwidth | 140.8 GB/s | 51.196 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon Platinum 8268 and Ryzen 9 3900.
| PCIe version | 3.0 | 4.0 |
| PCI Express lanes | 48 | 24 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Performance score | 21.71 | 19.34 |
| Recency | 11 December 2018 | 24 September 2019 |
| Physical cores | 24 | 12 |
| Threads | 48 | 24 |
| Chip lithography | 14 nm | 7 nm |
| Power consumption (TDP) | 205 Watt | 65 Watt |
Xeon Platinum 8268 has a 12.3% higher aggregate performance score, and 100% more physical cores and 100% more threads.
Ryzen 9 3900, on the other hand, has an age advantage of 9 months, a 100% more advanced lithography process, and 215.4% lower power consumption.
The Xeon Platinum 8268 is our recommended choice as it beats the Ryzen 9 3900 in performance tests.
Be aware that Xeon Platinum 8268 is a server/workstation processor while Ryzen 9 3900 is a desktop one.
Should you still have questions on choice between Xeon Platinum 8268 and Ryzen 9 3900, ask them in Comments section, and we shall answer.
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