Sapphire Radeon HD 4890 OC
Published: (last update )
GPU | |
---|---|
GPU type | RV790 |
Manufacturing process | 55 nm |
Transistors | 959 million |
Die size | 282 mm2 |
Density | 3.40 M / mm2 |
ROPs | 16 |
TMUs | 40 |
Pixel shaders | - |
Vertex shaders | - |
Unified shaders | 800 |
Clock | 900 MHz |
Pixel fillrate | 14 400 MP/s |
Texel fillrate | 36 000 MT/s |
SP gigaflops | 1 440 |
DP gigaflops | 288 |
DirectX | 10.1 |
OpenGL | 3.3 |
OpenCL / Compute ver. | 1.0 / - |
Memory | |
---|---|
Capacity | 1 024 MB |
Type | GDDR5 |
Clock | 4 000 MHz |
Bus width | 256 bit |
Bandwith | 128 000 MB/s |
Rated speed | - |
Brand | Infineon |
The card | |
Manufacturer | Sapphire |
Interface | PCI-E 2.0 x16 |
Interface bandwith | 8 192 MB/s |
TDP | 190 W |
Analog I/O ports | 1 × S-Video out, 2 × DVI-I |
Digital I/O ports | 2 × DVI-I |
Independent screens | 2 |
Manufacture date | 13th week of 2009 |
Release date | 2009 |