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Radeon R9 M390 Mac Edition

General
ManufacturerAMD
SeriesGem System(R9 M300)
GPU NamePitcairn
ArchitectureGCN 1.0
GenerationGem System(R9 M300)
Release DateMay 2015
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 Clock958 MHz
Boost Clock958 MHz
Memory
VRAM2 GB
Memory TypeGDDR5
Memory Clock1,365 MHz
Memory Bus256-bit
Bandwidth174.7 GB/s
Processing Units
Shading Units1,024
TMUs64
ROPs32
SMs0
Tensor Cores0
RT Cores0
Cache
L1 Cache16 KB
L2 Cache0.5 MB
Power & Thermals
TDP80 W
Power ConnectorsNone
Dimensions
Outputs
API Support
DirectX11.1
OpenGL4.6
Vulkan1.2
OpenCL1.2
Shader Model5.1
Theoretical Performance
Pixel Rate30.66 GP/s
Texture Rate61.31 GT/s
FP32 (Single)1,962 GFLOPS
FP64 (Double)122.6 GFLOPS
External
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