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Radeon R9 390

General
ManufacturerAMD
SeriesPirate Islands(R9 300)
GPU NameGrenada
ArchitectureGCN 2.0
GenerationPirate Islands(R9 300)
Release DateJun 2015
Bus InterfacePCIe 3.0 x16
Process & Die
FoundryTSMC
Process Size28 nm
Transistors6,200 M
Transistor Density14,200 K/mm²
Die Size438 mm²
Clock Speeds
Base Clock1,000 MHz
Boost Clock1,000 MHz
Memory
VRAM8 GB
Memory TypeGDDR5
Memory Clock1,500 MHz
Memory Bus512-bit
Bandwidth384 GB/s
Processing Units
Shading Units2,560
TMUs160
ROPs64
SMs0
Tensor Cores0
RT Cores0
Cache
L1 Cache16 KB
L2 Cache1 MB
Power & Thermals
TDP275 W
Suggested PSU600 W
Power Connectors1x 6-pin + 1x 8-pin
Dimensions
Board Length275 mm
Board Width109 mm
Outputs
Display Connectors2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
API Support
DirectX12.0
OpenGL4.6
Vulkan1.2
OpenCL2.1
Shader Model6.5
Theoretical Performance
Pixel Rate64 GP/s
Texture Rate160 GT/s
FP32 (Single)5,120 GFLOPS
FP64 (Double)640 GFLOPS
External
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