RTX 3090 vs RX 6600 XT
Full specification comparison between the NVIDIA GeForce RTX 3090 (2020) and the AMD Radeon RX 6600 XT (2021).
RTX 3090
NVIDIA High-end
- ✓ ~107% faster on average
- ✓ More VRAM (24 GB vs 8 GB)
- ✓ Wider memory bus (384-bit vs 128-bit)
RX 6600 XT
AMD Entry-level
- ✓ Lower power draw (160 W vs 350 W)
- ✓ Cheaper at launch ($379 vs $1499)
- ✓ Newer (2021 vs 2020)
- ✓ Better performance per dollar
Verdict: The RTX 3090 is roughly 107% faster than the RX 6600 XT on average — a clear, noticeable performance advantage.
The RTX 3090 also carries more video memory (24 GB vs 8 GB), which matters for high-resolution textures, modern AAA titles and future-proofing.
At launch pricing, the RX 6600 XT offers more performance per dollar, and the RX 6600 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 | RTX 3090 | RX 6600 XT |
|---|---|---|
| Architecture | Ampere | RDNA 2 |
| Release year | 2020 | 2021 |
| Est. performance | ||
| Shading units | ||
| Boost clock | ||
| FP32 compute | ||
| VRAM | ||
| Memory type | GDDR6X | 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 RTX 3090 better than the RX 6600 XT?
Yes — based on aggregated benchmark data, the RTX 3090 is about 107% faster than the RX 6600 XT on average.
How much faster is the RTX 3090 than the RX 6600 XT?
Roughly 107% 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 XT delivers more performance per dollar. Check current street prices, as market pricing often shifts the value equation.