GTX 1660 Super vs RX 580
Full specification comparison between the NVIDIA GeForce GTX 1660 Super (2019) and the AMD Radeon RX 580 (2017).
GTX 1660 Super
NVIDIA Entry-level
- ✓ ~45% faster on average
- ✓ Lower power draw (125 W vs 185 W)
- ✓ Newer (2019 vs 2017)
- ✓ Better performance per dollar
RX 580
AMD Entry-level
- ✓ More VRAM (8 GB vs 6 GB)
- ✓ Wider memory bus (256-bit vs 192-bit)
Verdict: The GTX 1660 Super is roughly 45% faster than the RX 580 on average — a clear, noticeable performance advantage.
The RX 580 also carries more video memory (8 GB vs 6 GB), which matters for high-resolution textures, modern AAA titles and future-proofing.
At launch pricing, the GTX 1660 Super offers more performance per dollar, and the GTX 1660 Super 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 | GTX 1660 Super | RX 580 |
|---|---|---|
| Architecture | Turing | Polaris |
| Release year | 2019 | 2017 |
| Est. performance | ||
| Shading units | ||
| Boost clock | ||
| FP32 compute | ||
| VRAM | ||
| Memory type | GDDR6 | GDDR5 |
| 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 GTX 1660 Super better than the RX 580?
Yes — based on aggregated benchmark data, the GTX 1660 Super is about 45% faster than the RX 580 on average.
How much faster is the GTX 1660 Super than the RX 580?
Roughly 45% on average in raster gaming workloads. The gap varies by title, resolution and settings.
Which graphics card is better value?
Comparing launch prices, the GTX 1660 Super delivers more performance per dollar. Check current street prices, as market pricing often shifts the value equation.