ATI Mobility Radeon™ HD 2300 | ATI Radeon™ HD 2400 | ATI Radeon™ HD 2600 | ATI Radeon™ HD 2900 | |
ATI Avivo™ HD | Yes | Yes | Yes | Yes |
HD playback support | Yes | Yes | Yes | Yes |
UVD | Yes | Yes | Yes | No |
DirectX® version | DirectX® 9 | DirectX® 10 | DirectX® 10 | DirectX® 10 |
Unified shader architecture | No | Yes | Yes | Yes |
Stream processors 1 | N/A | 40 | 120 | 320 |
Memory controller | 128b | 64b | 128b | 512b |
Process | 90nm | 65nm | 65nm | 80nm (HS) |
Ring bus | No | No | Yes | Yes |
HDMI and HDCP support 2 | Optional | Yes | Yes | Yes |