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Sapphire Radeon HD 4890 OC

Published: (last update )

GPU
GPU type RV790
Manufacturing process55 nm
Transistors959 milion
Die size282 mm2
ROPs16
TMUs40
Pixel shaders-
Vertex shaders-
Unified shaders800
Clock900 MHz
Pixel fillrate14400 MP/s
Texel fillrate36000 MT/s
SP gigaflops1440
DP gigaflops288
DirectX10.1
OpenGL3.3
OpenCL / Compute ver.1.0 / -
Memory
Capacity1024 MB
TypeGDDR5
Clock4000 MHz
Bus width256 bit
Bandwith128000 MB/s
Rated speed-
BrandInfineon
The card
ManufacturerSapphire
InterfacePCI-E 2.0 x16
Interface bandwith8192 MB/s
TDP190 W
Analog I/O ports1 × S-Video out, 2 × DVI-I
Digital I/O ports2 × DVI-I
Independent screens2
Rev1309
Release date2009
Sapphire Radeon HD 4890 OC (front side)

Sapphire Radeon HD 4890 OC (front side)

Sapphire Radeon HD 4890 OC (back side)

Sapphire Radeon HD 4890 OC (back side)