Radeon HD 6990M vs Radeon HD 8770M
|
AMD |
Developer |
AMD |
|
Radeon HD 6990M |
Model |
Radeon HD 8770M |
|
- |
benchmarks |
- |
|
Terascale 2(Blackcomb XTX) |
Architecture |
GCN() |
|
40 |
Process, nm |
28 |
|
1120 |
Shaders |
384 |
|
715 |
Core frequency |
775 |
|
715 |
Shaders frequency |
775 |
|
GDDR5 |
Memory type |
GDDR5 |
|
900 |
Memory frequency |
4500 |
|
256 |
Memory bus |
128 |
|
11 |
DirectX |
11.1 |
|
21082.0 |
benchmarks |
12680.0 |
|
8394.5 |
benchmarks |
7033.0 |