Radeon HD 4580
General
ManufacturerATI
SeriesRadeon R700(HD 4500)
GPU NameRV635
ArchitectureTeraScale
GenerationRadeon R700(HD 4500)
Release DateNov 2011
Bus InterfacePCIe 2.0 x16
Process & Die
FoundryTSMC
Process Size55 nm
Transistors378 M
Transistor Density2,800 K/mm²
Die Size135 mm²
Chip PackageFCBGA-880
Clock Speeds
Base Clock796 MHz
Boost Clock796 MHz
Memory
VRAM0.5 GB
Memory TypeGDDR3
Memory Clock693 MHz
Memory Bus128-bit
Bandwidth22.18 GB/s
Processing Units
Shading Units120
TMUs8
ROPs4
SMs0
Tensor Cores0
RT Cores0
Cache
L2 Cache0.128 MB
Power & Thermals
TDP65 W
Suggested PSU250 W
Power ConnectorsNone
Dimensions
Board Length190 mm
Outputs
Display Connectors2x DVI, 1x S-Video
API Support
DirectX10.1
OpenGL3.3
Shader Model4.1
Theoretical Performance
Pixel Rate3.184 GP/s
Texture Rate6.368 GT/s
FP32 (Single)191 GFLOPS
External
TechPowerUpView →
Other Radeon R700(HD 4500) Models