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Reference NV45 BoardLeadtek GeForce 6800 GT PCI-E
GPU typeNV45NV45
Manufacturing process130 nm130 nm
Transistors222 million222 million
Die size287 mm2287 mm2
ROPs1616
TMUs1616
PS / VS | Unified Shaders16 / 6 | -16 / 6 | -
GPU clock400 MHz350 MHz (0.88×)
Pixel / texel fillrate6400 MP/s ; 6400 MT/s5600 MP/s (0.88×) ; 5600 MT/s (0.88×)
SP / DP gigaflops- ; -- ; -
DirectX / OpenGL9c ; 2.19c ; 2.1
CUDA / OpenCL- ; -- ; -
Memory256 MB GDDR3256 MB GDDR3
Memory1100 MHz ; 256 bit1000 MHz (0.91×) ; 256 bit
Bandwith35200 MB/s32000 MB/s (0.91×)
InterfacePCI-E x16 [4096 MB/s]PCI-E x16 [4096 MB/s]
TDP81 W65 W (0.8 ×)
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 date20042004