HKEPC has already published a review (in Chinese, translate here) of ATI's upcoming Radeon X1900 GT. It turns out the specifications we reported on yesterday are accurate according to HKEPC, and the Chinese site also sheds some light on the X1900 GT/GTO confusion. Despite the R580's reportedly good yields, HKEPC says, many chips have faulty pixel shader processors and are unable to run at full X1900 XT/XTX speeds. This reportedly pushed ATI to scrap its plans for a X1900 XL and add a slightly cut-down X1900 GTO to its roadmap, although the name was later changed to X1900 GT, allegedly to better highlight the card's position as a competitor to NVIDIA's GeForce 7900 GT. This explanation makes sense, although it still doesn't fully explain the rumors surrounding the RV570-based X1900 GTO said to be scheduled for the fall—maybe this card is destined to supplant the current X1800 GTO rather than the X1900 GT.
Looking past the naming intrigue, the Radeon X1900 GT appears to be a pretty solid performer. It has the upper hand in HKEPC's 3DMark 2005 and 2006 tests, as well as Half-Life 2 and Battlefield 2. The 7900 GT, meanwhile, is still a stronger performer in 3DMark 2003, F.E.A.R., Serious Sam 2, and Splinter Cell Chaos Theory.
If ATI prices this card right for its rumored May 6 launch, the company may turn the heads of quite a few potential 7900 GT buyers. Of course, those people can already do with the heftier dual-slot Sapphire X1800 XT 512MB, which is selling for $309 on Newegg. The X1900 GT may yet outdo this card, though, considering how they both stack up against the GeForce 7900 GT.
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