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Using the RV535, the X1300 XT pulls slightly less power than the X1300 Pro's RV530. The XFX 6600 DDR2 had the least wattage pull at 126W load and 107W idle, as some people might have expected.

Sapphire has done a good job with the X1300 XT, realizing that video cards aren’t solely dependant on the core clock speeds. By changing from the RV515 used in the Radeon X1300 Pro to the RV535 which was based off the X1600 series graphics processor, ATI was able to extract similar performance numbers from the X1300 XT as they did with the X1600 Pro. Sapphire’s choices to add a different heatsink and overclock the core resulted in questionable performance differences from the original ATI X1300 XT but atleast differentiates itself from other X1300 XTs. Sapphire’s X1300 XT was able to beat out the XFX Geforce 6600 DDR2 in all benchmarks except Doom 3, which was been known to favor NVIDIA cards. The X1300 PRO and X1300 XT ran neck and neck in most games with the X1300 XT eking out a few more FPS here and there.