Radeon R9 285
General
ManufacturerAMD
SeriesVolcanic Islands(R9 200)
GPU NameTonga
ArchitectureGCN 3.0
GenerationVolcanic Islands(R9 200)
Release DateSep 2014
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 Clock918 MHz
Boost Clock918 MHz
Memory
VRAM2 GB
Memory TypeGDDR5
Memory Clock1,375 MHz
Memory Bus256-bit
Bandwidth176 GB/s
Processing Units
Shading Units1,792
TMUs112
ROPs32
SMs0
Tensor Cores0
RT Cores0
Cache
L1 Cache16 KB
L2 Cache0.5 MB
Power & Thermals
TDP190 W
Suggested PSU450 W
Power Connectors2x 6-pin
Dimensions
Board Length221 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 Rate29.38 GP/s
Texture Rate102.8 GT/s
FP16 (Half)3,290 GFLOPS
FP32 (Single)3,290 GFLOPS
FP64 (Double)205.6 GFLOPS
External
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