Ryzen 9 9950X vs Xeon E5-1691 V3
Primary details
Comparing Xeon E5-1691 V3 and Ryzen 9 9950X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 59 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 61.38 |
| Market segment | Server | Desktop processor |
| Power efficiency | no data | 23.26 |
| Architecture codename | Haswell-EP (2014−2015) | Granite Ridge (2024) |
| Release date | 8 September 2014 (10 years ago) | 15 August 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $649 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon E5-1691 V3 and Ryzen 9 9950X 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 | 14 (Tetradeca-Core) | 16 (Hexadeca-Core) |
| Threads | 28 | 32 |
| Base clock speed | 2.5 GHz | 4.3 GHz |
| Boost clock speed | 3.4 GHz | 5.7 GHz |
| L1 cache | 64K (per core) | 80 KB (per core) |
| L2 cache | 256K (per core) | 1 MB (per core) |
| L3 cache | 35 MB (shared) | 64 MB (shared) |
| Chip lithography | 22 nm | 4 nm |
| Die size | 356 mm2 | 2x 70.6 mm2 |
| Maximum core temperature | no data | 95 °C |
| Number of transistors | 2,600 million | 16,630 million |
| 64 bit support | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon E5-1691 V3 and Ryzen 9 9950X 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 | 2011-3 | AM5 |
| Power consumption (TDP) | 135 Watt | 170 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5-1691 V3 and Ryzen 9 9950X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| TSX | + | - |
| Precision Boost 2 | no data | + |
Security technologies
Xeon E5-1691 V3 and Ryzen 9 9950X technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5-1691 V3 and Ryzen 9 9950X are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5-1691 V3 and Ryzen 9 9950X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2133 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon Graphics |
Peripherals
Specifications and connection of peripherals supported by Xeon E5-1691 V3 and Ryzen 9 9950X.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 40 | 24 |
Pros & cons summary
| Recency | 8 September 2014 | 15 August 2024 |
| Physical cores | 14 | 16 |
| Threads | 28 | 32 |
| Chip lithography | 22 nm | 4 nm |
| Power consumption (TDP) | 135 Watt | 170 Watt |
Xeon E5-1691 V3 has 25.9% lower power consumption.
Ryzen 9 9950X, on the other hand, has an age advantage of 9 years, 14.3% more physical cores and 14.3% more threads, and a 450% more advanced lithography process.
We couldn't decide between Xeon E5-1691 V3 and Ryzen 9 9950X. We've got no test results to judge.
Be aware that Xeon E5-1691 V3 is a server/workstation processor while Ryzen 9 9950X is a desktop one.
Should you still have questions on choice between Xeon E5-1691 V3 and Ryzen 9 9950X, ask them in Comments section, and we shall answer.
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