Key Differences
In short — Radeon HD 6770 outperforms Radeon R9 390 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon HD 6770 is 1609 days older than Radeon R9 390.
Advantages of AMD Radeon HD 6770
- Consumes up to 61% less energy than AMD Radeon R9 390 - 108 vs 275 Watts
Advantages of AMD Radeon R9 390
- Up to 700% more VRAM memory than AMD Radeon HD 6770 - 8 vs 1 GB
Shadow of the Tomb Raider: Definitive Edition
Resolution
1920 x 1080
Game Graphics
Highest
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Highest
Radeon HD 6770
Desktop • Jan 21st, 2011
Radeon R9 390
Desktop • Jun 18th, 2015
Theoretical Performance
Radeon HD 6770
Desktop • Jan 21st, 2011
Pixel Fillrate
13.6 GPixel/s
21.25%
Texel Fillrate
34 GTexel/s
21.25%
AMD Radeon HD 6770 | vs | AMD Radeon R9 390 |
|---|---|---|
| Jan 21st, 2011 | Release Date | Jun 18th, 2015 |
| Northern Islands | Generation | Pirate Islands |
$129 | MSRP | $329 |
| 2x DVI, 1x HDMI, 2x mini-DisplayPort | Outputs | 2x DVI, 1x HDMI, 1x DisplayPort |
| 1x 6-pin | Power Connectors | 1x 6-pin + 1x 8-pin |
Desktop | Segment | Desktop |
| 1 GB | Memory | 8 GB |
| GDDR5 | Type | GDDR5 |
| 128-bit | Bus | 512-bit |
| 76.8 GB/s | Bandwidth | 384 GB/s |
| 850 MHz | Base Clock Speed | 1000 MHz |
| Not Available | Boost Clock Speed | Not Available |
| 1200 MHz | Memory Clock Speed | 1500 MHz |
