Key Differences
In short — Radeon RX 6600 XT outperforms Radeon R9 390X 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 2234 days newer than Radeon R9 390X.
Advantages of Radeon RX 6600 XT
- Performs up to 50% better in Immortals of Aveum than Radeon R9 390X - 42 vs 28 FPS
- Consumes up to 42% less energy than AMD Radeon R9 390X - 160 vs 275 Watts
Immortals of Aveum
Resolution
1920 x 1080
Game Graphics
Ultra
Desktop • Jul 30th, 2021
FPS
42
100%
Value, CA$/FPS
CA$9.45/FPS
100%
Price, CA$
CA$397
100%
FPS and Value Winner
Buy for CA$397 on Amazon
In Stock
Updated 14 minutes ago
My Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
Ultra
Desktop • Jun 18th, 2015
Desktop • Jul 30th, 2021
Theoretical Performance
Desktop • Jun 18th, 2015
Pixel Fillrate
67.2 GPixel/s
41%
Texel Fillrate
184.8 GTexel/s
56%
Desktop • Jul 30th, 2021
Pixel Fillrate
165.7 GPixel/s
100%
Texel Fillrate
331.4 GTexel/s
100%
Radeon R9 390X | vs | Radeon RX 6600 XT |
---|---|---|
Jun 18th, 2015 | Release Date | Jul 30th, 2021 |
Pirate Islands | Generation | Navi II |
$429 | MSRP | $379 |
2x DVI, 1x HDMI, 1x DisplayPort | Outputs | 1x HDMI 2.1, 3x DisplayPort 1.4a |
1x 6-pin + 1x 8-pin | Power Connectors | 1x 8-pin |
Desktop | Segment | Desktop |
8 GB | Memory | 8 GB |
GDDR5 | Type | GDDR6 |
512-bit | Bus | 128-bit |
384 GB/s | Bandwidth | 256 GB/s |
1050 MHz | Base Clock Speed | 1968 MHz |
Not Available | Boost Clock Speed | 2589 MHz |
1500 MHz | Memory Clock Speed | 2000 MHz |