Radeon HD 7850
General
ManufacturerAMD
SeriesSouthern Islands(HD 7800)
GPU NamePitcairn
ArchitectureGCN 1.0
GenerationSouthern Islands(HD 7800)
Release DateMar 2012
Bus InterfacePCIe 3.0 x16
Process & Die
FoundryTSMC
Process Size28 nm
Transistors2,800 M
Transistor Density13,200 K/mm²
Die Size212 mm²
Chip PackageFCBGA-1737
Clock Speeds
Base Clock860 MHz
Boost Clock860 MHz
Memory
VRAM2 GB
Memory TypeGDDR5
Memory Clock1,200 MHz
Memory Bus256-bit
Bandwidth153.6 GB/s
Processing Units
Shading Units1,024
TMUs64
ROPs32
SMs0
Tensor Cores0
RT Cores0
Cache
L1 Cache16 KB
L2 Cache0.5 MB
Power & Thermals
TDP130 W
Suggested PSU300 W
Power Connectors1x 6-pin
Dimensions
Board Length210 mm
Outputs
Display Connectors1x DVI, 1x HDMI 1.4a, 2x mini-DisplayPort 1.2
API Support
DirectX11.1
OpenGL4.6
Vulkan1.2
OpenCL1.2
Shader Model5.1
Theoretical Performance
Pixel Rate27.52 GP/s
Texture Rate55.04 GT/s
FP32 (Single)1,761 GFLOPS
FP64 (Double)110.1 GFLOPS
External
TechPowerUpView →
Other Southern Islands(HD 7800) Models