ATI HD 4770 Crossfire vs HD 4890 in Four Games Compared
 

AMD ever designed HD 4870 X2 back in last August, which pushed NVIDIA to make GeForce GTX295 in response. Considering HD 4770’s great success, we’re wondering if AMD should make a HD 4770 X2 at this time point.


According to our test, HD 4770 CrossFire brings more than 80% 3D performance improvements, superior to HD 4890 nearly 20%. When loaded by 3D tasks, the CrossFire platform sees about 80-100W power consumption increase compared with single HD 4890, but it still consumes less power than HD 4890 does.

http://en.expreview.com/2009/04/28/f...benchmark.html