Key Differences
In short — Radeon RX 6600M outperforms Radeon R9 390X on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon RX 6600M is 2174 days newer than Radeon R9 390X.
Advantages of AMD Radeon RX 6600M
- Performs up to 12% better in Minecraft than Radeon R9 390X - 651 vs 581 FPS
- Consumes up to 64% less energy than AMD Radeon R9 390X - 100 vs 275 Watts
Minecraft
Resolution
1920 x 1080
Game Graphics
High
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
High
Radeon RX 6600M
Mobile • May 31st, 2021
Radeon R9 390X
Desktop • Jun 18th, 2015
Theoretical Performance
Radeon RX 6600M
Mobile • May 31st, 2021
Pixel Fillrate
154.6 GPixel/s
100%
Texel Fillrate
270.6 GTexel/s
100%
Radeon R9 390X
Desktop • Jun 18th, 2015
Pixel Fillrate
67.2 GPixel/s
43%
Texel Fillrate
184.8 GTexel/s
68%
AMD Radeon RX 6600M | vs | AMD Radeon R9 390X |
|---|---|---|
May 31st, 2021 | Release Date | Jun 18th, 2015 |
| Navi Mobile | Generation | Pirate Islands |
| Not Available | MSRP | $429 |
| Portable Device Dependent | Outputs | 2x DVI, 1x HDMI, 1x DisplayPort |
| None | Power Connectors | 1x 6-pin + 1x 8-pin |
Mobile | Segment | Desktop |
| 8 GB | Memory | 8 GB |
| GDDR6 | Type | GDDR5 |
| 128-bit | Bus | 512-bit |
| 224 GB/s | Bandwidth | 384 GB/s |
2068 MHz | Base Clock Speed | 1050 MHz |
| 2416 MHz | Boost Clock Speed | Not Available |
1750 MHz | Memory Clock Speed | 1500 MHz |
