Radeon HD 7970 GHz Edition
General
ManufacturerAMD
SeriesSouthern Islands(HD 7900)
GPU NameTahiti
ArchitectureGCN 1.0
GenerationSouthern Islands(HD 7900)
Release DateJun 2012
Bus InterfacePCIe 3.0 x16
Process & Die
FoundryTSMC
Process Size28 nm
Transistors4,313 M
Transistor Density12,300 K/mm²
Die Size352 mm²
Clock Speeds
Base Clock1,000 MHz
Boost Clock1,050 MHz
Memory
VRAM3 GB
Memory TypeGDDR5
Memory Clock1,500 MHz
Memory Bus384-bit
Bandwidth288 GB/s
Processing Units
Shading Units2,048
TMUs128
ROPs32
SMs0
Tensor Cores0
RT Cores0
Cache
L1 Cache16 KB
L2 Cache0.75 MB
Power & Thermals
TDP300 W
Suggested PSU700 W
Power Connectors1x 6-pin + 1x 8-pin
Dimensions
Board Length275 mm
Board Width111 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 Rate33.6 GP/s
Texture Rate134.4 GT/s
FP32 (Single)4,301 GFLOPS
FP64 (Double)1,075.2 GFLOPS
External
TechPowerUpView →
Other Southern Islands(HD 7900) Models