Radeon HD 7970M X2
General
ManufacturerAMD
SeriesLondon(HD 7900M)
GPU NameWimbledon
ArchitectureGCN 1.0
GenerationLondon(HD 7900M)
Release DateApr 2012
Bus InterfaceMXM-B (3.0)
Process & Die
FoundryTSMC
Process Size28 nm
Transistors2,800 M
Transistor Density13,200 K/mm²
Die Size212 mm²
Chip PackageFCBGA-1737
Clock Speeds
Base Clock850 MHz
Boost Clock850 MHz
Memory
VRAM2 GB
Memory TypeGDDR5
Memory Clock1,200 MHz
Memory Bus256-bit
Bandwidth153.6 GB/s
Processing Units
Shading Units1,280
TMUs80
ROPs32
SMs0
Tensor Cores0
RT Cores0
Cache
L1 Cache16 KB
L2 Cache0.5 MB
Power & Thermals
TDP200 W
Power ConnectorsNone
Dimensions
Outputs
API Support
DirectX11.1
OpenGL4.6
Vulkan1.2
OpenCL1.2
Shader Model5.1
Theoretical Performance
Pixel Rate27.2 GP/s
Texture Rate68 GT/s
FP32 (Single)2,176 GFLOPS
FP64 (Double)136 GFLOPS
External
TechPowerUpView →
Other London(HD 7900M) Models