Buy on Amazon
£201.99
In Stock
Same as Founder's Edition
AvailabilityMSRP $999
Availability
MSRP $999
No items available
AvailabilityMSRP $329
Availability
MSRP $329
Key Differences
In short — Radeon RX 6600 outperforms Radeon HD 7990 on the selected game parameters. We do not have the prices of both GPUs to compare value. The better performing Radeon RX 6600 is 3094 days newer than Radeon HD 7990.
Advantages of Radeon RX 6600
- Performs up to 1400% better in Cyberpunk 2077 than Radeon HD 7990 - 15 vs 1 FPS
- Consumes up to 65% less energy than AMD Radeon HD 7990 - 132 vs 375 Watts
- Up to 167% more VRAM memory than AMD Radeon HD 7990 - 8 vs 3 GB
Cyberpunk 2077
Resolution
1920 x 1080
Game Graphics
RT Overdrive
Radeon RX 6600
Desktop • Oct 13th, 2021
FPS
15
100%
Value, £/FPS
£13.47/FPS
100%
Price, £
£201.99
100%
FPS and Value Winner
Powercolor Radeon RX 6600 Fighter (8GB GDDR6/PCI Express 4.0/2491MHz/14000MHz)
Buy for £201.99 on Amazon
In Stock
Updated 220 minutes ago
Trending Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
RT Overdrive
Radeon HD 7990
Desktop • Apr 24th, 2013
Radeon RX 6600
Desktop • Oct 13th, 2021
Theoretical Performance
Radeon RX 6600
Desktop • Oct 13th, 2021
Pixel Fillrate
159.4 GPixel/s
100%
Texel Fillrate
279 GTexel/s
100%
Radeon HD 7990 | vs | Radeon RX 6600 |
|---|---|---|
| Apr 24th, 2013 | Release Date | Oct 13th, 2021 |
| Southern Islands | Generation | Navi II |
| $999 | MSRP | $329 |
| 1x DVI, 4x mini-DisplayPort | Outputs | 1x HDMI 2.1, 3x DisplayPort 1.4a |
| 2x 8-pin | Power Connectors | 1x 8-pin |
Desktop | Segment | Desktop |
| 3 GB | Memory | 8 GB |
| GDDR5 | Type | GDDR6 |
| 384-bit | Bus | 128-bit |
288 GB/s | Bandwidth | 224 GB/s |
| 950 MHz | Base Clock Speed | 1626 MHz |
| 1000 MHz | Boost Clock Speed | 2491 MHz |
| 1500 MHz | Memory Clock Speed | 1750 MHz |
Similar GPU Comparisons
Select from the most popular similar graphics card comparisons. Most compared graphics card combinations, including the currently selected ones, are at the top.
