Radeon HD 6770
General
ManufacturerAMD
SeriesNorthern Islands(HD 6700)
GPU NameJuniper
ArchitectureTeraScale 2
GenerationNorthern Islands(HD 6700)
Release DateJan 2011
Bus InterfacePCIe 2.0 x16
Process & Die
FoundryTSMC
Process Size40 nm
Transistors1,040 M
Transistor Density6,300 K/mm²
Die Size166 mm²
Chip PackageFCBGA-962
Clock Speeds
Base Clock850 MHz
Boost Clock850 MHz
Memory
VRAM1 GB
Memory TypeGDDR5
Memory Clock1,200 MHz
Memory Bus128-bit
Bandwidth76.8 GB/s
Processing Units
Shading Units800
TMUs40
ROPs16
SMs0
Tensor Cores0
RT Cores0
Cache
L1 Cache8 KB
L2 Cache0.25 MB
Power & Thermals
TDP108 W
Suggested PSU300 W
Power Connectors1x 6-pin
Dimensions
Board Length198 mm
Outputs
Display Connectors2x DVI, 1x HDMI 1.3a, 2x mini-DisplayPort 1.1
API Support
DirectX11.0
OpenGL4.4
OpenCL1.2
Shader Model5.0
Theoretical Performance
Pixel Rate13.6 GP/s
Texture Rate34 GT/s
FP32 (Single)1,360 GFLOPS
External
TechPowerUpView →
Other Northern Islands(HD 6700) Models