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