ATI Radeon HD 4770: 40nm Goes Mainstream

The new radeon HD4770 Crossfire configuration
A 40nm chipset here are the over view of the card...n i would like to compare it with the other card which are quite...in the same price range

	Radeon HD 4890	Radeon HD 4870	Radeon HD 4770 CrossFire	GeForce GTX 280	GeForce GTX 260 C216
Manufacturing Process	55 nm TSMC	55 nm TSMC	40 nm TSMC	65 nm TSMC	55 / 65 nm TSMC
SPs	800	800	640 x 2	240	216
Core Clock	850 MHz	750 MHz	750 MHz	602 MHz	576 MHz
Shader Clock	850 MHz	750 MHz	750 MHz	1,296 MHz	1,242 MHz
Memory Clock	975 MHz GDDR5	900 MHz GDDR5	800 MHz GDDR5	1,107 MHz GDDR3	999 MHz GDDR3
Frame Buffer	1 GB	1 GB / 512 MB	512 MB x 2	1 GB	896 MB
Memory Bus Width	256-bit	256-bit	128-bit x 2	512-bit	448-bit
ROPs	16	16	16 x 2	32	28
Price	~$250	~$190	~$220	~$310	~$180

Now lets see the benchmarks(credit goes to tomshardware) :

Benchmark Results: 3DMark Vantage

well for those of u who r not familiar with 3dmark vantage its a software which indicate how good is a system by calculating the scores...^^..the higher the scores..the better the performance..

conclusion: HD 4770 totally rocks.. for more detailed testing n result click here