At 28th June 2007, AMD release the graphics card HD 2400 and HD 2900 series for the entry level and mainstream level. The Graphics Card that used the DirectX10 release on several type:

Radeon HD 2400Pro

GPU RV615 65nm technology
180 million transistors
Core Clock: 525MHz
Memory Clock: 800 - 1000MHz
Memory type: DDR2
Memory Interface: 64bits
DVI, D-Sub, Video Out and HDMI supporting
Price: Around $80

Radeon HD 2400XT

GPU RV615 65nm technology
180 million transistors
Core Clock: 700MHz
Memory Clock: 1400 - 1600MHz
Memory type: DDR3
Memory Interface: 64bits
DVI, D-Sub, Video Out and HDMI supporting
Price: Around $100

Radeon HD 2600Pro

GPU RV630 65nm technology
390 millions transistors
Core Clock: 600MHz
Memory Clock: 800 - 1000MHz
Memory type: DDR2 or GDDR3
Memory Interface: 128bits
Dual DVI, Video Out and HDMI supporting
Price: Around $120

Radeon HD 2600XT GDDR3

GPU RV630 65nm technology
390 millions transistors
Core Clock: 800MHz
Memory Clock: 1400 - 1600MHz
Memory type: GDDR3
Memory Interface: 128bits
Dual DVI, Video Out and HDMI supporting
Price: Around $150

Radeon HD 2600XT GDDR4

GPU RV630 65nm technology
390 millions transistors
Core Clock: 800MHz
Memory Clock: 1400 - 2200MHz
Memory type: GDDR4
Memory Interface: 128bits
Dual DVI, Video Out and HDMI supporting
Price: Around $180

All of the new graphics card from ATI supporting the UVD (Universal Video Decoder) which allows decode of HD H.264 and VC1. The UVD looks effective that integrated to the graphics card with DVI and HDMI support, good for the HTPC users
About the performances, Radeon HD 2400 and 2600XT haven’t test yet. Next we will be test these graphics card. But about the launch, that makes AMD still ready for fighting with the rival nVidia on DirectX 10 graphics card.