Key Differences
In short — Radeon R9 380X outperforms GeForce GT 645M on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon R9 380X is 1144 days newer than GeForce GT 645M.
Advantages of NVIDIA GeForce GT 645M
- Consumes up to 83% less energy than AMD Radeon R9 380X - 32 vs 190 Watts
Advantages of AMD Radeon R9 380X
- Performs up to 20% better in Forza Horizon 4 than GeForce GT 645M - 168 vs 140 FPS
- Up to 100% more VRAM memory than NVIDIA GeForce GT 645M - 4 vs 2 GB
Forza Horizon 4
Resolution
1920 x 1080
Game Graphics
Max
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Max
GeForce GT 645M
Mobile • Oct 1st, 2012
Radeon R9 380X
Desktop • Nov 19th, 2015
Theoretical Performance
GeForce GT 645M
Mobile • Oct 1st, 2012
Pixel Fillrate
5.672 GPixel/s
18%
Texel Fillrate
22.69 GTexel/s
18%
Radeon R9 380X
Desktop • Nov 19th, 2015
Pixel Fillrate
31.04 GPixel/s
100%
Texel Fillrate
124.2 GTexel/s
100%
NVIDIA GeForce GT 645M | vs | AMD Radeon R9 380X |
|---|---|---|
| Oct 1st, 2012 | Release Date | Nov 19th, 2015 |
| GeForce 600M | Generation | Pirate Islands |
| Not Available | MSRP | $229 |
| None | Outputs | 2x DVI, 1x HDMI, 1x DisplayPort |
| None | Power Connectors | 2x 6-pin |
Mobile | Segment | Desktop |
| 2 GB | Memory | 4 GB |
| DDR3 | Type | GDDR5 |
| 128-bit | Bus | 256-bit |
| 28.8 GB/s | Bandwidth | 182.4 GB/s |
| 709 MHz | Base Clock Speed | 970 MHz |
| Not Available | Boost Clock Speed | Not Available |
| 900 MHz | Memory Clock Speed | 1425 MHz |
