RX 580 vs RX 6700 XT
Full specification comparison between the AMD Radeon RX 580 (2017) and the AMD Radeon RX 6700 XT (2021).
RX 580
AMD Entry-level
- ✓ Wider memory bus (256-bit vs 192-bit)
- ✓ Lower power draw (185 W vs 230 W)
- ✓ Cheaper at launch ($229 vs $479)
RX 6700 XT
AMD Mid-range
- ✓ ~236% faster on average
- ✓ More VRAM (12 GB vs 8 GB)
- ✓ Newer (2021 vs 2017)
- ✓ Better performance per dollar
- ✓ More power-efficient
Verdict: The RX 6700 XT is roughly 236% faster than the RX 580 on average — a clear, noticeable performance advantage.
The RX 6700 XT also carries more video memory (12 GB vs 8 GB), which matters for high-resolution textures, modern AAA titles and future-proofing.
At launch pricing, the RX 6700 XT offers more performance per dollar, and the RX 6700 XT 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 6700 XT |
|---|---|---|
| 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 6700 XT better than the RX 580?
Yes — based on aggregated benchmark data, the RX 6700 XT is about 236% faster than the RX 580 on average.
How much faster is the RX 6700 XT than the RX 580?
Roughly 236% 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 6700 XT delivers more performance per dollar. Check current street prices, as market pricing often shifts the value equation.