Key Differences
In short — Radeon R9 390 outperforms Radeon HD 7870M on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon R9 390 is 1150 days newer than Radeon HD 7870M.
Advantages of AMD Radeon HD 7870M
- Consumes up to 84% less energy than AMD Radeon R9 390 - 45 vs 275 Watts
Advantages of AMD Radeon R9 390
- Performs up to 50% better in Halo Infinite than Radeon HD 7870M - 48 vs 32 FPS
- Up to 300% more VRAM memory than AMD Radeon HD 7870M - 8 vs 2 GB
Halo Infinite
Resolution
1920 x 1080
Game Graphics
Ultra
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Radeon HD 7870M
Mobile • Apr 24th, 2012
Radeon R9 390
Desktop • Jun 18th, 2015
Theoretical Performance
AMD Radeon HD 7870M | vs | AMD Radeon R9 390 |
|---|---|---|
| Apr 24th, 2012 | Release Date | Jun 18th, 2015 |
| London | Generation | Pirate Islands |
| Not Available | MSRP | $329 |
| None | Outputs | 2x DVI, 1x HDMI, 1x DisplayPort |
| None | Power Connectors | 1x 6-pin + 1x 8-pin |
Mobile | Segment | Desktop |
| 2 GB | Memory | 8 GB |
| GDDR5 | Type | GDDR5 |
| 128-bit | Bus | 512-bit |
| 64 GB/s | Bandwidth | 384 GB/s |
| 800 MHz | Base Clock Speed | 1000 MHz |
| Not Available | Boost Clock Speed | Not Available |
| 1000 MHz | Memory Clock Speed | 1500 MHz |
