Asus AX800 XT (Radeon X800 XT Platinum Edition)
The Card - Up Close & Personal
To help illustrate exactly how each of NVIDIA's and ATi's current, and last-generation, high-end cards compare to one another, we've put together a simple chart comparing each product's clock speeds, peak fillrate and peak memory bandwidth...
The Radeon X800 XT's higher-clocked, 16-pipeline core, equate to the highest peak single- and multi-textured fillrates of the lot. At 8.32GPixels/Sec, the X800 XT's fillrate is a full 15.5% higher than NVIDIA's fastest card, the GeForce 6800 Ultra Extreme Edition. NVIDIA's flagship card, however, has a peak memory bandwidth advantage of 2.6GB/s, or 7.3%.
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Asus' AX800 XT, is a dead-ringer for their AX800 Pro (reviewed here). Both cards share the same bright orange PCB, single-slot heavy-duty copper GPU cooler, and nearly silent blue-lighted fan. Asus' X800s also share the same custom decal on the fan shroud and they both have the same purple Molex power connector located at the upper-corner of the board. At first glance, the design looks somewhat unique, but in actuality the cards are basically identical to ATi's reference designs, which incidentally were also nearly indistinguishable from each other.
On the back side of the card, the ATi Rage Theater chip, which handles this card's ViVo (Video-In / Video-Out) functionality, can be found along with four of the 8 on-board memory chips. The Asus AX800 XT is equipped with 256MB of Samsung GDDR3 memory, clocked at 560MHz (1.12GHz DDR). The chips are branded with the model number "K4J55323QF-GC16". Locating the reference to these particular chips on Samsung's website reveals that they are rated for 600MHz (1.2GHz DDR) operation, which means there should be a bit of headroom left when overclocking.
