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Key Differences
In short — Radeon RX 7900 XT outperforms GeForce GTX 660M on the selected game parameters. We do not have the prices of both GPUs to compare value. The better performing Radeon RX 7900 XT is 3878 days newer than GeForce GTX 660M.
Advantages of GeForce GTX 660M
- Consumes up to 83% less energy than AMD Radeon RX 7900 XT - 50 vs 300 Watts
Advantages of Radeon RX 7900 XT
- Performs up to 490% better in The Witcher 3: Wild Hunt than GeForce GTX 660M - 171 vs 29 FPS
- Up to 1900% more VRAM memory than NVIDIA GeForce GTX 660M - 20 vs 1 GB
The Witcher 3: Wild Hunt
Resolution
1920 x 1080
Game Graphics
Ultra+
Radeon RX 7900 XT
Desktop • Nov 3rd, 2022
FPS
171
100%
Value, £/FPS
£4.05/FPS
100%
Price, £
£692.97
100%
FPS and Value Winner
ASUS TUF Gaming AMD Radeon RX 7900 XT OC Edition 20GB GDDR6 Graphics Card (PCIe 4.0, 20GB GDDR6, HDMI 2.1a, DisplayPort 2.1)
Buy for £692.97 on Amazon
In Stock
Updated 292 minutes ago
Trending Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
Ultra+
GeForce GTX 660M
Mobile • Mar 22nd, 2012
Radeon RX 7900 XT
Desktop • Nov 3rd, 2022
Theoretical Performance
Radeon RX 7900 XT
Desktop • Nov 3rd, 2022
Pixel Fillrate
459.6 GPixel/s
100%
Texel Fillrate
804.4 GTexel/s
100%
GeForce GTX 660M | vs | Radeon RX 7900 XT |
|---|---|---|
| Mar 22nd, 2012 | Release Date | Nov 3rd, 2022 |
| GeForce 600M | Generation | Navi III |
| Not Available | MSRP | $899 |
| None | Outputs | 1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C |
| None | Power Connectors | 2x 8-pin |
Mobile | Segment | Desktop |
| 1 GB | Memory | 20 GB |
| GDDR5 | Type | GDDR6 |
| 128-bit | Bus | 320-bit |
| 64 GB/s | Bandwidth | 800 GB/s |
| 835 MHz | Base Clock Speed | 1500 MHz |
| 950 MHz | Boost Clock Speed | 2394 MHz |
| 1000 MHz | Memory Clock Speed | 2500 MHz |
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