Ryzen 5 3600 + RTX 4070: bottleneck check
CPU-limited at 1440p. Moderate CPU bottleneck.
The Ryzen 5 3600 cannot feed the RTX 4070 fast enough at 1440p, so the card sits partly idle in CPU-heavy games.
By resolution
| Resolution | Limiting part | Severity | Verdict |
|---|---|---|---|
| 1080p | CPU | 32% | moderate CPU bottleneck |
| 1440p | CPU | 26% | moderate CPU bottleneck |
| 4K | CPU | 6% | balanced |
The Ryzen 5 3600 is the limiting part at every resolution, even at 4K (6%). The RTX 4070 is a much stronger card than this processor can drive — plan a CPU upgrade before spending more on graphics.
Specifications
| Cores / threads | 6 / 12 |
|---|---|
| Max boost | 4.2 GHz |
| Socket | AM4 |
| Max turbo power | 65 W |
| Released | 2019 |
| Gaming index | 48 / 100 |
| Multi-core index | 40 / 100 |
| VRAM | 12 GB |
|---|---|
| Board power | 200 W |
| Released | 2023 |
| 1080p index | 47.8 / 100 |
| 1440p index | 42 / 100 |
| 4K index | 36.9 / 100 |
Power supply
CPU 65 W + GPU 200 W + about 100 W for motherboard, memory, storage and fans gives an estimated peak load of 365 W. We recommend a 550 W unit (80 Plus Gold or better) so transient spikes from the graphics card stay inside the PSU's comfort zone. Try other pairs in the PSU calculator.
Upgrade paths
CPUs that remove the bottleneck (AM4)
- Ryzen 7 5800X + RTX 4070 (gaming index 65)
- Ryzen 9 5900X + RTX 4070 (gaming index 67)
- Ryzen 9 5950X + RTX 4070 (gaming index 68)
Best CPU for the RTX 4070 Best GPU for the Ryzen 5 3600 RTX 4070 PSU requirements
Compare nearby pairs
Same CPU, other GPUs
Same GPU, other CPUs
Indexes are relative estimates aggregated from published reviews; real results vary by game, settings, memory speed and drivers. Methodology.