ATI's practice of using disabled versions of more powerful cores continues for this new product as the Radeon X1650 XT technically has the same 80nm RV570 core as the Radeon X1950 PRO. However, part of it has been disabled or perhaps these were chips that were just not up to the mark. That still leaves it with a respectable number: 24 pixel and 8 vertex shaders. It also gives ATI an excuse to brand it as a 'new' core known as the RV560. Compared to the original core on the Radeon X1950 PRO, the core on the Radeon X1650 XT may have 8 pixel shaders less but retains a similar clock of 575MHz. The memory is also quite fast at 1350MHz DDR so beyond its internal core handicap, the clocks on the Radeon X1650 XT is almost exactly like the Radeon X1950 PRO.



Link: HArdwarezone