Radeon R9 285X
General
ManufacturerAMD
SeriesVolcanic Islands(R9 200)
GPU NameTonga
ArchitectureGCN 3.0
GenerationVolcanic Islands(R9 200)
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 Clock1,002 MHz
Boost Clock1,002 MHz
Memory
VRAM3 GB
Memory TypeGDDR5
Memory Clock1,375 MHz
Memory Bus384-bit
Bandwidth264 GB/s
Processing Units
Shading Units2,048
TMUs128
ROPs32
SMs0
Tensor Cores0
RT Cores0
Cache
L1 Cache16 KB
L2 Cache0.75 MB
Power & Thermals
TDP200 W
Suggested PSU550 W
Power Connectors1x 6-pin + 1x 8-pin
Dimensions
Board Length267 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 Rate32.06 GP/s
Texture Rate128.3 GT/s
FP32 (Single)4,104 GFLOPS
External
TechPowerUpView →