The RX 6600 is about 57% faster than the RX 580 in games. In 8 popular games at 1080p (High settings), the RX 6600 averages about 110 FPS and the RX 580 about 70 FPS.
Estimated average FPS at 1080p, High settings, with a fast processor so only the graphics cards differ.
Average estimated FPS on High settings in the same games.
| Resolution | RX 6600 | RX 580 |
|---|---|---|
| 1080p | 110 FPS | 70 FPS |
| 1440p | 75 FPS | 47 FPS |
| 4K | 46 FPS | 29 FPS |
How each graphics card compares with the official graphics card requirements of new PC games.
| Game | RX 6600 | RX 580 |
|---|---|---|
| Resident Evil Requiem | Meets recommended | |
| Forza Horizon 6 | Meets recommended | Meets minimum |
| Gears of War: E-Day | Meets minimum | |
| Crimson Desert | Meets minimum | Meets minimum |
| Call of Duty: Modern Warfare 4 | Meets minimum | Meets minimum |
| Phantom Blade Zero | Meets minimum |
| RX 6600 | RX 580 | |
|---|---|---|
| Performance score | 165 ✓ | 105 |
| Video memory (VRAM) | 8 GB | 4 / 8 GB |
| Memory type | GDDR6 | GDDR5 |
| Power (board) | 132 W ✓ | 185 W |
| Architecture | RDNA 2 | Polaris |
| Ray tracing | Yes | No |
| Upscaling | FSR 3 | FSR only |
| Released | 2021 | 2017 |
| Typical price (US) | $199 | $77 |
Official specs from NVIDIA, AMD and Intel. Performance score: GTX 1060 6GB = 100. Prices: the cheaper of the usual new price and the typical used (eBay) price, October 2026. They change every week.
Not sure how much video memory you need? Read How Much VRAM Do You Need for Gaming.
Yes. The RX 6600 is about 57% faster in games. In our 8 test games at 1080p (High settings) it averages about 110 FPS vs 70 FPS.
Yes, it is a big upgrade: about 57% more performance. Check that your processor and power supply can keep up with our Bottleneck Calculator.
At 1440p High, our estimate is about 75 FPS for the RX 6600 and 47 FPS for the RX 580 on average in recent games.
Every graphics card has a gaming performance score (GTX 1060 6GB = 100) based on published benchmark averages. FPS come from the same model as our FPS Estimator, with a fast processor so only the graphics cards differ. They are estimates, not benchmarks.
How we compare: scores are gaming performance averages from published benchmarks (TechPowerUp, Tom's Hardware and others), and FPS come from the same model as our FPS Estimator, calibrated on benchmark results. They are estimates for typical gameplay, not our own lab tests. Updated October 2026. See our editorial standards.