GeForce GT 640M LE vs Radeon HD 6990M Crossfire
|
NVIDIA |
Developer |
AMD |
|
GeForce GT 640M LE |
Model |
Radeon HD 6990M Crossfire |
|
- |
benchmarks |
- |
|
Fermi / Kepler(N13P-LP) |
Architecture |
Terascale 2(Blackcomb XTX) |
|
28 |
Process, nm |
40 |
|
384 |
Shaders |
2240 |
|
500 |
Core frequency |
715 |
|
500 |
Shaders frequency |
715 |
|
DDR3, GDDR5 |
Memory type |
GDDR5 |
|
1800 - 4000 |
Memory frequency |
900 |
|
128 |
Memory bus |
256 |
|
11 |
DirectX |
11 |
|
8858.0 |
benchmarks |
23292.0 |
|
5858.0 |
benchmarks |
7382.0 |