Xeon E5-4640 v2 vs Ryzen 9 3950X
Primary details
Comparing Ryzen 9 3950X and Xeon E5-4640 v2 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 206 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 18.03 | no data |
| Market segment | Desktop processor | Server |
| Series | AMD Ryzen 9 | no data |
| Power efficiency | 21.98 | no data |
| Architecture codename | Matisse (Zen 2) (2019−2020) | no data |
| Release date | 14 November 2019 (5 years ago) | 1 January 2014 (10 years ago) |
| Launch price (MSRP) | $799 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 9 3950X and Xeon E5-4640 v2 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 | 16 (Hexadeca-Core) | 10 (Deca-Core) |
| Threads | 32 | 20 |
| Base clock speed | 3.5 GHz | 2.2 GHz |
| Boost clock speed | 4.7 GHz | 2.7 GHz |
| Bus rate | no data | 8 GT/s |
| L1 cache | 96K (per core) | no data |
| L2 cache | 512K (per core) | no data |
| L3 cache | 64 MB | 20 MB Intel® Smart Cache |
| Chip lithography | 7 nm, 12 nm | 22 nm |
| Die size | 2 x 72 mm + 125 mm (IO-Die) mm2 | no data |
| Maximum core temperature | no data | 75 °C |
| Number of transistors | 19,200 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 3950X and Xeon E5-4640 v2 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) | 4 |
| Socket | AM4 | FCLGA2011 |
| Power consumption (TDP) | 105 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 3950X and Xeon E5-4640 v2. 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® AVX |
| AES-NI | + | + |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | no data | + |
| PAE | no data | 46 Bit |
| Precision Boost 2 | + | no data |
Security technologies
Ryzen 9 3950X and Xeon E5-4640 v2 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 3950X and Xeon E5-4640 v2 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 3950X and Xeon E5-4640 v2. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR3-800, DDR3-1066, DDR3-1333, DDR3-1600, DDR3-1866 |
| Maximum memory size | 128 GB | 768 GB |
| Max memory channels | no data | 4 |
| Maximum memory bandwidth | 51.196 GB/s | 59.7 GB/s |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 3950X and Xeon E5-4640 v2.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 40 |
Pros & cons summary
| Recency | 14 November 2019 | 1 January 2014 |
| Physical cores | 16 | 10 |
| Threads | 32 | 20 |
| Chip lithography | 7 nm | 22 nm |
| Power consumption (TDP) | 105 Watt | 95 Watt |
Ryzen 9 3950X has an age advantage of 5 years, 60% more physical cores and 60% more threads, and a 214.3% more advanced lithography process.
Xeon E5-4640 v2, on the other hand, has 10.5% lower power consumption.
We couldn't decide between Ryzen 9 3950X and Xeon E5-4640 v2. We've got no test results to judge.
Note that Ryzen 9 3950X is a desktop processor while Xeon E5-4640 v2 is a server/workstation one.
Should you still have questions on choice between Ryzen 9 3950X and Xeon E5-4640 v2, ask them in Comments section, and we shall answer.
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