TMPGEnc

Six seconds separates the two boards. Naturally, as with many of these tests, if the length of the movie clip is longer, then obviously so would the time difference be greater between these two.

DVDShrink

Dead heat between the two.

Photoshop CS2

Another close race between the boards. The Gigabyte X48 grabs a 1 second lead here.

Crysis

Enemy Territory: Quake Wars

For your potential gaming needs, the Gigabyte looks really solid.