RX 580 vs RX 6600
Full specification comparison between the AMD Radeon RX 580 (2017) and the AMD Radeon RX 6600 (2021).
RX 580
AMD Entry-level
- ✓ Wider memory bus (256-bit vs 128-bit)
- ✓ Cheaper at launch ($229 vs $329)
RX 6600
AMD Entry-level
- ✓ ~118% faster on average
- ✓ Lower power draw (132 W vs 185 W)
- ✓ Newer (2021 vs 2017)
- ✓ Better performance per dollar
Verdict: The RX 6600 is roughly 118% faster than the RX 580 on average — a clear, noticeable performance advantage.
At launch pricing, the RX 6600 offers more performance per dollar, and the RX 6600 is the more power-efficient chip.
Estimated performance
Estimated average 1440p raster gaming performance compiled from publicly available benchmark data. Individual games vary.
Specs side by side
| Specification | RX 580 | RX 6600 |
|---|---|---|
| Architecture | Polaris | RDNA 2 |
| Release year | 2017 | 2021 |
| Est. performance | ||
| Shading units | ||
| Boost clock | ||
| FP32 compute | ||
| VRAM | ||
| Memory type | GDDR5 | GDDR6 |
| Memory bus | ||
| Board power | ||
| Launch MSRP |
Green bars mark the better value in each row (for power and price, lower wins).
Frequently asked questions
Is the RX 6600 better than the RX 580?
Yes — based on aggregated benchmark data, the RX 6600 is about 118% faster than the RX 580 on average.
How much faster is the RX 6600 than the RX 580?
Roughly 118% on average in raster gaming workloads. The gap varies by title, resolution and settings.
Which graphics card is better value?
Comparing launch prices, the RX 6600 delivers more performance per dollar. Check current street prices, as market pricing often shifts the value equation.