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Reference RV730 BoardSapphire Radeon HD 4670
GPU typeRV730RV730
Manufacturing process55 nm55 nm
Transistors514 million514 million
Die size145 mm2145 mm2
ROPs88
TMUs3232
PS / VS | Unified Shaders- / - | 320- / - | 320
GPU clock750 MHz750 MHz
Pixel / texel fillrate6 000 MP/s ; 24 000 MT/s6 000 MP/s ; 24 000 MT/s
SP / DP gigaflops480 ; -480 ; -
DirectX / OpenGL10.1 ; 3.310.1 ; 3.3
CUDA / OpenCL- ; 1.0- ; 1.0
Memory512 MB GDDR4512 MB GDDR3
Memory2 000 MHz ; 128 bit2 000 MHz ; 128 bit
Bandwith32 000 MB/s32 000 MB/s ;
InterfacePCI-E 2.0 x16 [8 192 MB/s]PCI-E 2.0 x16 [8 192 MB/s]
TDP59 W59 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 date20082008