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Radeon HD 4830

General
ManufacturerATI
SeriesRadeon R700(HD 4800)
GPU NameRV770
ArchitectureTeraScale
GenerationRadeon R700(HD 4800)
Release DateOct 2008
Bus InterfacePCIe 2.0 x16
Process & Die
FoundryTSMC
Process Size55 nm
Transistors956 M
Transistor Density3,700 K/mm²
Die Size256 mm²
Chip PackageHFCBGA-1492
Clock Speeds
Base Clock575 MHz
Boost Clock575 MHz
Memory
VRAM0.5 GB
Memory TypeGDDR3
Memory Clock900 MHz
Memory Bus256-bit
Bandwidth57.6 GB/s
Processing Units
Shading Units640
TMUs32
ROPs16
SMs0
Tensor Cores0
RT Cores0
Cache
L1 Cache16 KB
L2 Cache0.25 MB
Power & Thermals
TDP95 W
Suggested PSU250 W
Power Connectors1x 6-pin
Dimensions
Board Length246 mm
Board Width111 mm
Outputs
Display Connectors2x DVI, 1x S-Video
API Support
DirectX10.1
OpenGL3.3
OpenCL1.1
Shader Model4.1
Theoretical Performance
Pixel Rate9.2 GP/s
Texture Rate18.4 GT/s
FP32 (Single)736 GFLOPS
FP64 (Double)147.2 GFLOPS
External
TechPowerUpView →