Mobility Radeon HD 3870 vs Radeon R4
|
ATI |
Developer |
AMD |
|
Mobility Radeon HD 3870 |
Model |
Radeon R4 |
|
- |
benchmarks |
- |
|
RV6xx(M88-XT) |
Architecture |
GCN 1.1(Beema) |
|
55 |
Process, nm |
28 |
|
320 |
Shaders |
192 |
|
660 |
Core frequency |
800 |
|
- |
Core frequency (turbo mode) |
600 |
|
660 |
Shaders frequency |
- |
|
GDDR3 |
Memory type |
- |
|
850 |
Memory frequency |
- |
|
256 |
Memory bus |
64 |
|
10.1 |
DirectX |
12 (FL 12_0) |
|
- |
OpenGL |
4.4 |
|
8635.5 |
benchmarks |
4046.0 |
|
3290.0 |
benchmarks |
3108.0 |