Hardware museum

	Reference R580 Board	HIS Radeon X1900 CrossFire Edition
GPU type	R580	R580
Manufacturing process	90 nm	90 nm
Transistors	384 million	384 million
Die size	352 mm²	352 mm²
ROPs	16	16
TMUs	16	16
PS / VS \| Unified Shaders	48 / 8 \| -	48 / 8 \| -
GPU clock	650 MHz	625 MHz (0.96×)
Pixel / texel fillrate	10 400 MP/s ; 10 400 MT/s	10 000 MP/s (1×) ; 10 000 MT/s (1×)
SP / DP gigaflops	- ; -	- ; -
DirectX / OpenGL	9c ; 2.0	9c ; 2.0
CUDA / OpenCL	- ; -	- ; -
Memory	512 MB GDDR3	512 MB GDDR3
Memory	1 550 MHz ; 256 bit	1 450 MHz (1×) ; 256 bit
Bandwith	49 600 MB/s	46 400 MB/s (0.94×)
Interface	PCI-E x16 [4 096 MB/s]	PCI-E x16 [4 096 MB/s]
TDP	135 W	135 W
Analog I/O ports	1 × S-Video in, 1 × S-Video out, 2 × DVI-I	2 × DVI-I
Digital I/O ports	2 × DVI-I	2 × DVI-I
Independent screens	2	2
Introduce date	2006	2006