Radeon HD 8870M vs Radeon R9 M390
|
AMD |
Developer |
AMD |
|
Radeon HD 8870M |
Model |
Radeon R9 M390 |
|
- |
benchmarks |
- |
|
GCN() |
Architecture |
GCN(Pitcairn) |
|
28 |
Process, nm |
28 |
|
640 |
Shaders |
1024 |
|
725 |
Core frequency |
- |
|
- |
Core frequency (turbo mode) |
958 |
|
725 |
Shaders frequency |
- |
|
GDDR5, DDR3 |
Memory type |
GDDR5 |
|
4500 |
Memory frequency |
5460 |
|
128 |
Memory bus |
256 |
|
11.1 |
DirectX |
12 (FL 11_2) |
|
4.1 |
OpenGL |
- |
|
15675.0 |
benchmarks |
25800.0 |
|
7769.0 |
benchmarks |
12092.0 |