While all X800GT cards share the same basic specs with each other (8 pixel pipes with a 475MHz core and 490MHz memory), they can be built on any one of three different ATI graphics cores: the R423, R430, or R480. Ths X800GT that HIS sent me is built on ATI's R423 graphics core, a native PCI-Express core built on TSMC's 130nm low-k manufacturing process using 160 million transistors (the core itself is actually etched with the Radeon X800SE name). In fact, it's entirely possible that even if you buy the same X800GT IceQII Turbo it might be built with one of the other core.

Specifications
	HIS X800GT IceQII Turbo	Radeonn X700Pro	GeForce 6600 GT
Core	R423	RV410	NV43
Silicon Process	130nm low-k	110nm	110nm
Transistor Count (millions)	160	120	143
Core Speed MHz	475	425	500
Memory Speed MHz	490 GDDR3 (980MHz)	432 GDDR3 (864MHz)	500 GDDR3 (1.0GHz)
Bus Standard	PEG x16	PEG x16	PEG x16
Bus Width	256bit	128bit	128bit
Pipeline Configuration Textures/Pixels/Z Samples (Per Clock)	8/8/8	8/8/8	8/4/8
Vertex Units	6	6	3
Peak Memory Bandwidth (GB/s)	31.3	13.8	16.0
Pixel Fillrate (million pixels/sec)	3,800	3,400	2,000
Texel Fillrate (million texels/sec)	3,800	3,400	4,000
API Compliancy	DX 9.0b Shader Model 2.0	DX 9.0b Shader Model 2.0	DX 9.0c Shader Model 3.0
MSRP ($US)	$199	$199	$199