Key Differences
In short — Radeon RX 6600 XT outperforms Radeon R9 M390X on the selected game parameters. We do not have the prices of both GPUs to compare value. The better performing Radeon RX 6600 XT is 2278 days newer than Radeon R9 M390X.
Advantages of Radeon R9 M390X
- Consumes up to 53% less energy than AMD Radeon RX 6600 XT - 75 vs 160 Watts
Advantages of Radeon RX 6600 XT
- Performs up to 53% better in Uncharted: Legacy of Thieves than Radeon R9 M390X - 90 vs 59 FPS
- Up to 100% more VRAM memory than AMD Radeon R9 M390X - 8 vs 4 GB
Uncharted: Legacy of Thieves
Resolution
1920 x 1080
Game Graphics
Ultra
Desktop • Jul 30th, 2021
FPS
90
100%
Value, €/FPS
€6.24/FPS
100%
Price, €
€561.8
100%
FPS and Value Winner
Buy for €561.8 on Amazon
In Stock
Updated 179 minutes ago
My Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
Ultra
Mobile • May 5th, 2015
Desktop • Jul 30th, 2021
Theoretical Performance
Mobile • May 5th, 2015
Pixel Fillrate
23.14 GPixel/s
14%
Texel Fillrate
92.54 GTexel/s
28%
Desktop • Jul 30th, 2021
Pixel Fillrate
165.7 GPixel/s
100%
Texel Fillrate
331.4 GTexel/s
100%
Radeon R9 M390X | vs | Radeon RX 6600 XT |
---|---|---|
May 5th, 2015 | Release Date | Jul 30th, 2021 |
Crystal System | Generation | Navi II |
Not Available | MSRP | $379 |
None | Outputs | 1x HDMI 2.1, 3x DisplayPort 1.4a |
None | Power Connectors | 1x 8-pin |
Mobile | Segment | Desktop |
4 GB | Memory | 8 GB |
GDDR5 | Type | GDDR6 |
256-bit | Bus | 128-bit |
160 GB/s | Bandwidth | 256 GB/s |
723 MHz | Base Clock Speed | 1968 MHz |
Not Available | Boost Clock Speed | 2589 MHz |
1250 MHz | Memory Clock Speed | 2000 MHz |