Xeon w5-3435X vs Ryzen 9 3900
Aggregate performance score
Xeon w5-3435X outperforms Ryzen 9 3900 by an impressive 50% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 9 3900 and Xeon w5-3435X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 291 | 151 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 19.96 | 53.97 |
| Market segment | Desktop processor | Server |
| Series | AMD Matisse (Ryzen 3000 Desktop) | no data |
| Power efficiency | 28.23 | 10.20 |
| Architecture codename | Matisse (Zen 2) (2019−2020) | Sapphire Rapids (2023−2024) |
| Release date | 24 September 2019 (5 years ago) | 15 February 2023 (1 year ago) |
| Launch price (MSRP) | $499 | $1,589 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon w5-3435X has 170% better value for money than Ryzen 9 3900.
Detailed specifications
Ryzen 9 3900 and Xeon w5-3435X 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) | 16 (Hexadeca-Core) |
| Threads | 24 | 32 |
| Base clock speed | 3.1 GHz | 3.1 GHz |
| Boost clock speed | 4.3 GHz | 4.7 GHz |
| L1 cache | 64 KB (per core) | 80 KB (per core) |
| L2 cache | 512 KB (per core) | 2 MB (per core) |
| L3 cache | 64 MB | 45 MB |
| Chip lithography | 7 nm, 12 nm | Intel 7 nm |
| Die size | 2x 74 mm2 | 4x 477 mm2 |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 7,600 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | + | + |
Compatibility
Information on Ryzen 9 3900 and Xeon w5-3435X 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 | 1 |
| Socket | AM4 | FCLGA4677 |
| Power consumption (TDP) | 65 Watt | 270 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 3900 and Xeon w5-3435X. 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® SSE4.1, Intel® AMX, Intel® SSE4.2, 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 | - | + |
| Turbo Boost Max 3.0 | no data | + |
| Precision Boost 2 | + | no data |
| Deep Learning Boost | - | + |
Security technologies
Ryzen 9 3900 and Xeon w5-3435X technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| SGX | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 3900 and Xeon w5-3435X 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 3900 and Xeon w5-3435X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR5-4800 |
| Maximum memory size | 128 GB | 4 TB |
| Max memory channels | 2 | 8 |
| Maximum memory bandwidth | 51.196 GB/s | no data |
| 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 Ryzen 9 3900 and Xeon w5-3435X.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 24 | 112 |
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.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Performance score | 19.39 | 29.11 |
| Recency | 24 September 2019 | 15 February 2023 |
| Physical cores | 12 | 16 |
| Threads | 24 | 32 |
| Power consumption (TDP) | 65 Watt | 270 Watt |
Ryzen 9 3900 has 315.4% lower power consumption.
Xeon w5-3435X, on the other hand, has a 50.1% higher aggregate performance score, an age advantage of 3 years, and 33.3% more physical cores and 33.3% more threads.
The Xeon w5-3435X is our recommended choice as it beats the Ryzen 9 3900 in performance tests.
Note that Ryzen 9 3900 is a desktop processor while Xeon w5-3435X is a server/workstation one.
Should you still have questions on choice between Ryzen 9 3900 and Xeon w5-3435X, ask them in Comments section, and we shall answer.
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