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Reference GT200B BoardGainward GeForce GTX 285
GPU typeGT200BGT200B
Manufacturing process55 nm55 nm
Transistors1400 million1400 million
Die size470 mm2470 mm2
ROPs3232
TMUs8080
PS / VS | Unified Shaders- / - | 240- / - | 240
GPU clock650 MHz650 MHz
Pixel / texel fillrate20800 MP/s ; 52000 MT/s20800 MP/s ; 52000 MT/s
SP / DP gigaflops1062 ; 1321062 ; 132
DirectX / OpenGL10 ; 3.310 ; 3.3
CUDA / OpenCL1.3 ; 1.11.3 ; 1.1
Memory1024 MB GDDR31024 MB GDDR3
Memory2500 MHz ; 512 bit2500 MHz ; 512 bit
Bandwith160000 MB/s160000 MB/s ;
InterfacePCI-E 2.0 x16 [8192 MB/s]PCI-E 2.0 x16 [8192 MB/s]
TDP204 W204 W
Analog I/O ports1 × S-Video out, 2 × DVI-I1 × S-Video out, 2 × DVI-I
Digital I/O ports2 × DVI-I2 × DVI-I
Independent screens22
Introduce date20092009