Processor comparison
AMD Ryzen 9 5900X vs AMD Ryzen 9 3950X
AMD
AMD Ryzen 9 5900X
AMD Socket AM4
3700 MHz
12 cores
Nov 2020
DESKTOP
VS
AMD
AMD Ryzen 9 3950X
AMD Socket AM4
3500 MHz
16 cores
Sep 2019
DESKTOP
Summary
Synthetic performance index
- AMD Ryzen 9 5900X110%
- AMD Ryzen 9 3950X100%
Relative performance
Single thread performance index
- AMD Ryzen 9 5900X126%
- AMD Ryzen 9 3950X100%
Relative performance
Multi thread performance index
- AMD Ryzen 9 5900X100%
- AMD Ryzen 9 3950X106%
Relative performance
Reasons to consider the AMD Ryzen 9 5900X
- Much higher single threaded performance (around 26% higher), makes a noticeable performance difference in gaming and the majority of applications.
Reasons to consider the AMD Ryzen 9 3950X
- 6% higher multi threaded performance.
Gaming
No clear winner declared
Productivity
No clear winner declared
Specifications
Features
| AMD Ryzen 9 5900X | AMD Ryzen 9 3950X |
|---|
| MMX | | |
| SSE | | |
| SSE2 | | |
| SSE3 | | |
| SSSE3 | | |
| SSE4A | | |
| SSE4.1 | | |
| SSE4.2 | | |
| AES | | |
| AVX | | |
| AVX2 | | |
| BMI1 | | |
| BMI2 | | |
| SHA | | |
| F16C | | |
| FMA3 | | |
| AMD64 | | |
| EVP | | |
| AMD-V | | |
| SMAP | | |
| SMEP | | |
| SMT | | |
| Precision Boost 2 | | |
| XFR 2 | | |
Architecture
| AMD Ryzen 9 5900X | AMD Ryzen 9 3950X |
|---|
| Architecture | AMD Zen 3 | AMD Zen 2 |
| Market | Desktop | Desktop |
| Memory Support | DDR4-3200 MHz
Dual-channel | DDR4 |
| Codename | Vermeer | Zen 2 |
| Release Date | Nov 2020 | Sep 2019 |
Cores
| AMD Ryzen 9 5900X | AMD Ryzen 9 3950X |
|---|
| Cores | 12 | 16 |
| Threads | 24 | 32 |
| SMPs | 1 | 1 |
| Integrated Graphics | No | No |
Cache
| AMD Ryzen 9 5900X | AMD Ryzen 9 3950X |
|---|
| L1 Cache | 64K (per core) | 96K (per core) |
| L2 Cache | 512K (per core) | 512K (per core) |
| L3 Cache | 64MB | 72MB |
Physical
| AMD Ryzen 9 5900X | AMD Ryzen 9 3950X |
|---|
| Socket | AMD Socket AM4 | AMD Socket AM4 |
| Max Case Temp | 95°C | unknown |
| Package | | |
| Die Size | unknown | unknown |
| Process | 7 nm | 7 nm |
Performance
| AMD Ryzen 9 5900X | AMD Ryzen 9 3950X |
|---|
| Cpu Frequency | 3700 MHz | 3500 MHz |
| Turbo Clock | 4800 MHz | 4700 MHz |
| Base Clock | 100 MHz | 100 MHz |
| Voltage | N/A | variable |
| TDP | 105 W | 105 W |
Raw performance index
Raw single-thread performance estimation
- AMD Ryzen 9 5900X5760 points
- AMD Ryzen 9 3950X5264 points
Points - higher is better
Raw multi-thread performance estimation
- AMD Ryzen 9 5900X65001 points
- AMD Ryzen 9 3950X76518 points
Points - higher is better
Synthetic benchmarks
Cinebench R15 CPU Single 64Bit
- AMD Ryzen 9 5900X272
- AMD Ryzen 9 3950X215
points - higher is better
Cinebench R15 CPU Multi 64Bit
- AMD Ryzen 9 5900X3726
- AMD Ryzen 9 3950X3969
points - higher is better