Ryzen 5 7400F vs Ryzen 9 3950X
Primary details
Comparing Ryzen 9 3950X and Ryzen 5 7400F processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 214 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 18.57 | no data |
| Market segment | Desktop processor | Desktop processor |
| Series | AMD Ryzen 9 | no data |
| Power efficiency | 21.94 | no data |
| Architecture codename | Matisse (Zen 2) (2019−2020) | Raphael (2023−2025) |
| Release date | 11 June 2019 (5 years ago) | 9 January 2025 (recently) |
| Launch price (MSRP) | $799 | $229 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 9 3950X and Ryzen 5 7400F 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) | 6 (Hexa-Core) |
| Threads | 32 | 12 |
| Base clock speed | 3.5 GHz | 3.7 GHz |
| Boost clock speed | 4.7 GHz | 4.7 GHz |
| L1 cache | 1 MB | 64 KB (per core) |
| L2 cache | 8 MB | 1 MB (per core) |
| L3 cache | 64 MB | 32 MB (shared) |
| Chip lithography | 7 nm, 12 nm | 5 nm |
| Die size | 2 x 72 mm + 125 mm (IO-Die) mm2 | 71 mm2 |
| Maximum case temperature (TCase) | no data | 61 °C |
| Number of transistors | 19,200 million | 6,570 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | + |
Compatibility
Information on Ryzen 9 3950X and Ryzen 5 7400F 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 |
| Socket | AM4 | AM5 |
| Power consumption (TDP) | 105 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 3950X and Ryzen 5 7400F. 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 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 3950X and Ryzen 5 7400F are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3950X and Ryzen 5 7400F. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR5 |
| Maximum memory size | 128 GB | no data |
| 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 |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 3950X and Ryzen 5 7400F.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 24 |
Pros & cons summary
| Recency | 11 June 2019 | 9 January 2025 |
| Physical cores | 16 | 6 |
| Threads | 32 | 12 |
| Chip lithography | 7 nm | 5 nm |
| Power consumption (TDP) | 105 Watt | 65 Watt |
Ryzen 9 3950X has 166.7% more physical cores and 166.7% more threads.
Ryzen 5 7400F, on the other hand, has an age advantage of 5 years, a 40% more advanced lithography process, and 61.5% lower power consumption.
We couldn't decide between Ryzen 9 3950X and Ryzen 5 7400F. We've got no test results to judge.
Should you still have questions on choice between Ryzen 9 3950X and Ryzen 5 7400F, ask them in Comments section, and we shall answer.
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