GeForce GT 640M LE vs Radeon R5 M420
|
NVIDIA |
Developer |
AMD |
|
GeForce GT 640M LE |
Model |
Radeon R5 M420 |
|
- |
benchmarks |
- |
|
Fermi / Kepler(N13P-LP) |
Architecture |
GCN(Jet) |
|
28 |
Process, nm |
28 |
|
384 |
Shaders |
320 |
|
500 |
Core frequency |
780 |
|
500 |
Shaders frequency |
850 |
|
DDR3, GDDR5 |
Memory type |
DDR3 |
|
1800 - 4000 |
Memory frequency |
2000 |
|
128 |
Memory bus |
64 |
|
11 |
DirectX |
12 |
|
- |
OpenGL |
4.3 |