Radeon HD 7970M Crossfire vs GeForce GT 640M LE
|
AMD |
Developer |
NVIDIA |
|
Radeon HD 7970M Crossfire |
Model |
GeForce GT 640M LE |
|
- |
benchmarks |
- |
|
GCN(Wimbledon XT) |
Architecture |
Fermi / Kepler(N13P-LP) |
|
28 |
Process, nm |
28 |
|
2560 |
Shaders |
384 |
|
850 |
Core frequency |
500 |
|
850 |
Shaders frequency |
500 |
|
GDDR5 |
Memory type |
DDR3, GDDR5 |
|
4800 |
Memory frequency |
1800 - 4000 |
|
2x 256 |
Memory bus |
128 |
|
11.1 |
DirectX |
11 |
|
4.2 |
OpenGL |
- |
|
27647.0 |
benchmarks |
8858.0 |
|
7660.0 |
benchmarks |
5858.0 |