Radeon HD 6950
General
ManufacturerAMD
SeriesNorthern Islands(HD 6900)
GPU NameCayman
ArchitectureTeraScale 3
GenerationNorthern Islands(HD 6900)
Release DateDec 2010
Bus InterfacePCIe 2.0 x16
Process & Die
FoundryTSMC
Process Size40 nm
Transistors2,640 M
Transistor Density6,800 K/mm²
Die Size389 mm²
Clock Speeds
Base Clock800 MHz
Boost Clock800 MHz
Memory
VRAM2 GB
Memory TypeGDDR5
Memory Clock1,250 MHz
Memory Bus256-bit
Bandwidth160 GB/s
Processing Units
Shading Units1,408
TMUs88
ROPs32
SMs0
Tensor Cores0
RT Cores0
Cache
L1 Cache8 KB
L2 Cache0.5 MB
Power & Thermals
TDP200 W
Suggested PSU550 W
Power Connectors2x 6-pin
Dimensions
Board Length286 mm
Board Width126 mm
Outputs
Display Connectors2x DVI, 1x HDMI 1.4a, 2x mini-DisplayPort 1.2
API Support
DirectX11.0
OpenGL4.4
OpenCL1.2
Shader Model5.0
Theoretical Performance
Pixel Rate25.6 GP/s
Texture Rate70.4 GT/s
FP32 (Single)2,253 GFLOPS
FP64 (Double)563.2 GFLOPS
External
TechPowerUpView →
Other Northern Islands(HD 6900) Models