Key Differences
In short — Radeon RX 6600S 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 6600S is 2392 days newer than Radeon R9 390X.
Advantages of AMD Radeon R9 390X
- Up to 100% more VRAM memory than AMD Radeon RX 6600S - 8 vs 4 GB
Advantages of AMD Radeon RX 6600S
- Performs up to 52% better in Remnant II than Radeon R9 390X - 38 vs 25 FPS
- Consumes up to 71% less energy than AMD Radeon R9 390X - 80 vs 275 Watts
Remnant II
Resolution
1920 x 1080
Game Graphics
Ultra
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Radeon R9 390X
Desktop • Jun 18th, 2015
Radeon RX 6600S
Mobile • Jan 4th, 2022
Theoretical Performance
Radeon R9 390X
Desktop • Jun 18th, 2015
Pixel Fillrate
67.2 GPixel/s
52%
Texel Fillrate
184.8 GTexel/s
82%
AMD Radeon R9 390X | vs | AMD Radeon RX 6600S |
|---|---|---|
| Jun 18th, 2015 | Release Date | Jan 4th, 2022 |
| Pirate Islands | Generation | Navi Mobile |
| $429 | MSRP | Not Available |
| 2x DVI, 1x HDMI, 1x DisplayPort | Outputs | Portable Device Dependent |
| 1x 6-pin + 1x 8-pin | Power Connectors | None |
Desktop | Segment | Mobile |
8 GB | Memory | 4 GB |
| GDDR5 | Type | GDDR6 |
| 512-bit | Bus | 128-bit |
384 GB/s | Bandwidth | 224 GB/s |
| 1050 MHz | Base Clock Speed | 1700 MHz |
| Not Available | Boost Clock Speed | 2000 MHz |
| 1500 MHz | Memory Clock Speed | 1750 MHz |
