Radeon HD 7770M vs Radeon R9 M290X Crossfire
|
AMD |
Developer |
AMD |
|
Radeon HD 7770M |
Model |
Radeon R9 M290X Crossfire |
|
- |
benchmarks |
- |
|
GCN(Chelsea XT) |
Architecture |
GCN(Neptune CF) |
|
28 |
Process, nm |
28 |
|
512 |
Shaders |
2560 |
|
675 |
Core frequency |
850 |
|
- |
Core frequency (turbo mode) |
900 |
|
675 |
Shaders frequency |
- |
|
GDDR5 |
Memory type |
GDDR5 |
|
4000 |
Memory frequency |
4800 |
|
128 |
Memory bus |
2x 256 |
|
11.1 |
DirectX |
12 (FL 11_1) |
|
4.1 |
OpenGL |
4.3 |