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Reference R580 BoardAsus Radeon X1900 XTX
GPU typeR580R580
Manufacturing process90 nm90 nm
Transistors384 million384 million
Die size352 mm2352 mm2
ROPs1616
TMUs1616
PS / VS | Unified Shaders48 / 8 | -48 / 8 | -
GPU clock650 MHz650 MHz
Pixel / texel fillrate10 400 MP/s ; 10 400 MT/s10 400 MP/s ; 10 400 MT/s
SP / DP gigaflops- ; -- ; -
DirectX / OpenGL9c ; 2.09c ; 2.0
CUDA / OpenCL- ; -- ; -
Memory512 MB GDDR3512 MB GDDR3
Memory1 550 MHz ; 256 bit1 550 MHz ; 256 bit
Bandwith49 600 MB/s49 600 MB/s ;
InterfacePCI-E x16 [4 096 MB/s]PCI-E x16 [4 096 MB/s]
TDP135 W135 W
Analog I/O ports1 × S-Video in, 1 × S-Video out, 2 × DVI-I1 × S-Video in, 1 × S-Video out, 2 × DVI-I
Digital I/O ports2 × DVI-I2 × DVI-I
Independent screens22
Introduce date20062006