EPYC Embedded 3451 vs Ryzen 9 3950X
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 304 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 15.86 | no data |
| Market segment | Desktop processor | Server |
| Series | AMD Ryzen 9 | AMD EPYC Embedded |
| Power efficiency | 22.31 | no data |
| Designer | AMD | AMD |
| Manufacturer | TSMC | GlobalFoundries |
| Architecture codename | Matisse (Zen 2) (2019−2020) | Zen (2017−2020) |
| Release date | 14 November 2019 (6 years ago) | 21 February 2018 (7 years ago) |
| Launch price (MSRP) | $799 | $880 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Ryzen 9 3950X and EPYC Embedded 3451 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) | 16 (Hexadeca-Core) |
| Threads | 32 | 32 |
| Base clock speed | 3.5 GHz | 2.15 GHz |
| Boost clock speed | 4.7 GHz | 3 GHz |
| Multiplier | no data | 21.5 |
| L1 cache | 96K (per core) | 96K (per core) |
| L2 cache | 512K (per core) | 512K (per core) |
| L3 cache | 64 MB | 32 MB (shared) |
| Chip lithography | 7 nm, 12 nm | 14 nm |
| Die size | 2 x 72 mm + 125 mm (IO-Die) mm2 | 2x 213 mm2 |
| Number of transistors | 19,200 million | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 3950X and EPYC Embedded 3451 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) | 1 (Uniprocessor) |
| Socket | AM4 | AMD BGA SP4r2 |
| Power consumption (TDP) | 105 Watt | 100 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 3950X and EPYC Embedded 3451. 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 | no data |
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 3950X and EPYC Embedded 3451 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3950X and EPYC Embedded 3451. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR4-2666 |
| Maximum memory size | 128 GB | 1 TiB |
| Max memory channels | no data | 4 |
| Maximum memory bandwidth | 51.196 GB/s | 85.33 GB/s |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 3950X and EPYC Embedded 3451.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 64 |
Pros & cons summary
| Recency | 14 November 2019 | 21 February 2018 |
| Chip lithography | 7 nm | 14 nm |
| Power consumption (TDP) | 105 Watt | 100 Watt |
Ryzen 9 3950X has an age advantage of 1 year, and a 100% more advanced lithography process.
EPYC Embedded 3451, on the other hand, has 5% lower power consumption.
We couldn't decide between AMD Ryzen 9 3950X and AMD EPYC Embedded 3451. We've got no test results to judge.
Note that Ryzen 9 3950X is a desktop processor while EPYC Embedded 3451 is a server/workstation one.
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