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Radeon R9 M390X

General
ManufacturerAMD
SeriesGem System(R9 M300)
GPU NameAmethyst
ArchitectureGCN 3.0
GenerationGem System(R9 M300)
Release DateMay 2015
Bus InterfacePCIe 3.0 x16
Process & Die
FoundryTSMC
Process Size28 nm
Transistors5,000 M
Transistor Density13,700 K/mm²
Die Size366 mm²
Clock Speeds
Base Clock723 MHz
Boost Clock723 MHz
Memory
VRAM4 GB
Memory TypeGDDR5
Memory Clock1,250 MHz
Memory Bus256-bit
Bandwidth160 GB/s
Processing Units
Shading Units2,048
TMUs128
ROPs32
SMs0
Tensor Cores0
RT Cores0
Cache
L1 Cache16 KB
L2 Cache0.5 MB
Power & Thermals
TDP75 W
Power ConnectorsNone
Dimensions
Outputs
API Support
DirectX12.0
OpenGL4.6
Vulkan1.2
OpenCL2.1
Shader Model6.5
Theoretical Performance
Pixel Rate23.14 GP/s
Texture Rate92.54 GT/s
FP16 (Half)2,961 GFLOPS
FP32 (Single)2,961 GFLOPS
FP64 (Double)185.1 GFLOPS
External
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