Thought these might be useful:
-40nm technology
-Replaces 4830
-Will compete with 9800GT
-Core Clock speed: 750Mhz
-Memory clock speed: 800Mhz
-Memory bandwidth: 51.2GB/s
-Memory interface: 128-bit GDDR5
-Memory size: 512MB
-Requires 80W
-Release on May 4 at $99
-40nm technology
-Replaces 4830
-Will compete with 9800GT
-Core Clock speed: 750Mhz
-Memory clock speed: 800Mhz
-Memory bandwidth: 51.2GB/s
-Memory interface: 128-bit GDDR5
-Memory size: 512MB
-Requires 80W
-Release on May 4 at $99