Key Differences
In short — Radeon HD 7990 outperforms Radeon R9 270X on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon HD 7990 is 167 days older than Radeon R9 270X.
Advantages of AMD Radeon R9 270X
- Consumes up to 52% less energy than AMD Radeon HD 7990 - 180 vs 375 Watts
Advantages of AMD Radeon HD 7990
- Performs up to 4% better in DOOM Eternal than Radeon R9 270X - 153 vs 147 FPS
- Up to 50% more VRAM memory than AMD Radeon R9 270X - 3 vs 2 GB
DOOM Eternal
Resolution
1920 x 1080
Game Graphics
Nightmare
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Nightmare
Radeon R9 270X
Desktop • Oct 8th, 2013
Radeon HD 7990
Desktop • Apr 24th, 2013
Theoretical Performance
Radeon R9 270X
Desktop • Oct 8th, 2013
Pixel Fillrate
33.6 GPixel/s
100%
Texel Fillrate
84 GTexel/s
65.625%
Radeon HD 7990
Desktop • Apr 24th, 2013
Pixel Fillrate
32 GPixel/s
95.23809523809523%
Texel Fillrate
128 GTexel/s
100%
AMD Radeon R9 270X | vs | AMD Radeon HD 7990 |
|---|---|---|
Oct 8th, 2013 | Release Date | Apr 24th, 2013 |
| Volcanic Islands | Generation | Southern Islands |
$199 | MSRP | $999 |
| 2x DVI, 1x HDMI, 1x DisplayPort | Outputs | 1x DVI, 4x mini-DisplayPort |
| 2x 6-pin | Power Connectors | 2x 8-pin |
Desktop | Segment | Desktop |
| 2 GB | Memory | 3 GB |
| GDDR5 | Type | GDDR5 |
| 256-bit | Bus | 384-bit |
| 179.2 GB/s | Bandwidth | 288 GB/s |
1000 MHz | Base Clock Speed | 950 MHz |
1050 MHz | Boost Clock Speed | 1000 MHz |
| 1400 MHz | Memory Clock Speed | 1500 MHz |
