Overclocked ATI HD 4830 800SP Matches Performance of HD 4850
 

800SP Radeon HD 4830 shows nearly 7% performance improvement compared with 640SP HD 4830. The most significant improvement (15.53%) under 3DMark Vantage Extreme preset might give you an idea of how huge the gains you’ll get from a 800SP HD 4830.

The performance of 640SP Radeon HD 4830 lagged behind 9800GT in UT3, Crysis, GTA4 and COD4, but now, HD 4830 has outperformed 9800GT, except for UT3 (less than 5% difference). 800SP HD 4830 even outperforms 9800GT by 40% in 8XAA.

When compared with HD 4850, it only lags behind 8% with default clocks. You know it’s quite easy to overclock HD 4830 to catch up with HD 4850.

http://en.expreview.com/2009/04/22/e...d-4830.html/10