Hardware Museum

Over 20 years of PC history

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Reference R100 BoardATi Radeon 256 SDR
GPU typeR100R100
Manufacturing process180 nm180 nm
Transistors30 million30 million
Die size114 mm2114 mm2
ROPs22
TMUs66
PS / VS | Unified Shaders--
GPU clock183 MHz160 MHz (0.87×)
Pixel / texel fillrate366 MP/s ; 1098 MT/s320 MP/s (0.87×) ; 960 MT/s (0.87×)
SP / DP gigaflops- ; -- ; -
DirectX / OpenGL7 ; 1.37 ; 1.3
CUDA / OpenCL- ; -- ; -
Memory64 MB DDR32 MB (0.5×) SDRAM
Memory366 MHz ; 128 bit160 MHz (0.44×) ; 128 bit
Bandwith5856 MB/s2560 MB/s (0.44×)
InterfaceAGP 4x [1066 MB/s]AGP 4x [1066 MB/s]
TDP30 W30 W
Analog I/O ports1 × VGA, 1 × Composite in, 1 × Composite out, 1 × S-Video in, 1 × S-Video out1 × VGA
Digital I/O ports--
Independent screens11
Introduce date20002000