Key Differences
In short — Radeon HD 7870 XT outperforms GeForce GT 640M on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon HD 7870 XT is 242 days newer than GeForce GT 640M.
Advantages of NVIDIA GeForce GT 640M
- Consumes up to 83% less energy than AMD Radeon HD 7870 XT - 32 vs 185 Watts
Advantages of AMD Radeon HD 7870 XT
- Performs up to 23% better in Baldur's Gate 3 than GeForce GT 640M - 38 vs 31 FPS
Baldur's Gate 3
Resolution
1920 x 1080
Game Graphics
Ultra
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
GeForce GT 640M
Mobile • Mar 22nd, 2012
Radeon HD 7870 XT
Desktop • Nov 19th, 2012
Theoretical Performance
Radeon HD 7870 XT
Desktop • Nov 19th, 2012
Pixel Fillrate
31.2 GPixel/s
100%
Texel Fillrate
93.6 GTexel/s
100%
NVIDIA GeForce GT 640M | vs | AMD Radeon HD 7870 XT |
|---|---|---|
| Mar 22nd, 2012 | Release Date | Nov 19th, 2012 |
| GeForce 600M | Generation | Southern Islands |
| Not Available | MSRP | $270 |
| None | Outputs | 1x DVI, 1x HDMI, 2x mini-DisplayPort |
| None | Power Connectors | 2x 6-pin |
Mobile | Segment | Desktop |
| 2 GB | Memory | 2 GB |
| DDR3 | Type | GDDR5 |
| 128-bit | Bus | 256-bit |
| 28.8 GB/s | Bandwidth | 192 GB/s |
| 625 MHz | Base Clock Speed | 925 MHz |
| Not Available | Boost Clock Speed | 975 MHz |
| 900 MHz | Memory Clock Speed | 1500 MHz |
