AMD Ryzen 9 3950X
- Cores: 16
- L3 cache: 64MB (shared)
- TDP: 105 W
- Transistor size: 7 nm
Ryzen 9 3950X - desktop processor produced by Amd for socket AM4 that has 16 cores and 32 threads. The base clock frequency of the CPU is 3500 MHz, but due to Turbo Core technology, it can perform up to 4700 MHz. The size of the L3 cache is 64 MB. Please note that this chip doesn’t have integrated graphics.
Review
Compare AMD Ryzen 9 3950X with other CPUs
Test in Benchmarks
Performance test of AMD Ryzen 9 3950X in benchmarksCinebench
Cinebench Scores - 84th place
GeekBench v6
| File compression | 869 MB/sec |
| Clang compilation | 137.6 Klines/sec |
| HTML 5 Browser | 204.1 pages/sec |
| PDF Renderer | 335.9 Mpixels/sec |
| Text processing | 145.8 pages/sec |
| Background blur | 41.9 images/sec |
| Photo processing | 73.3 images/sec |
| Ray tracing | 30.4 Mpixels/sec |
PassMark
| Integer math | 132.8 GOps/sec |
| Floating point math | 77.8 GOps/sec |
| Find prime numbers | 173M Primes/sec |
| Random string sorting | 63.1M Strings/sec |
| Data encryption | 37.8 GBytes/sec |
| Data compression | 587.6 MBytes/sec |
| Physics | 1602 Frames/sec |
| Extended instructions | 36.6B Matrices/sec |
Blender
Performance Per Watt
| Cinebench 2024 / Watt | 13 PPW |
| Geekbench 6 Multi / Watt | 108.3 PPW |
| Passmark CPU Mark / Watt | 366.1 PPW |
| Blender / Watt | 3.59 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
| Date | Benchmark | Result |
|---|---|---|
| 📘 2025-11-27 (Elizabeth) | Cinebench 2024 | 76 / 1398 |
| 📘 2025-07-18 (Maki) | Cinebench 2024 | 80 / 1370 |
Specifications
Ryzen 9 3950X technical specificationsGeneral
| Vendor | Amd |
| Released | November 25, 2019 |
| Type | Desktop |
| Instruction Set | x86-64 |
| Integrated GPU | No |
| Intel Equivalent | - Intel Core i9 9900K |
AMD Ryzen CPU ranking - 96th place
CPU
| P-Cores | 16 |
| P-Threads | 32 |
| Base Frequency (P) | 3.5 GHz |
| Turbo Boost Frequency (P) | 4.7 GHz |
| Total Cores | 16 |
| Total Threads | 32 |
| Bus Frequency | 100 MHz |
| Multiplier | 35x |
| L1 Cache | 64K (per core) |
| L2 Cache | 512K (per core) |
| L3 Cache | 64MB (shared) |
| Unlocked Multiplier | Yes |
Package
| Transistors | 3.8 billions |
| Fabrication Process | 7 nm |
| TDP (PL1) | 105 W |
| Socket | AM4 |
Desktop CPU ranking - 99th place
Memory Support
| Memory Types | - DDR4-3200 |
| Max. Memory Size | 128 GB |
| Memory Channels | 2 |
| Max. Memory Bandwidth | 47.68 GB/s |
| ECC Support | Yes |
Misc
| Official Site | AMD Ryzen 9 3950X official page |
| PCI Express Version | 4.0 |
| PCI Express Lanes | 16 |
| Technologies | - Compute: BMI1, BMI2, F16C, SHA
- Performance: Precision Boost 2, SMT, XFR 2
- Virtualization: AMD-V
- Security: EVP, SMAP, SMEP |