HomeGPU DirectoryRadeon R9 255 OEM
amddiscreteReleased 2013-12-21

Radeon R9 255 OEM

Architecture: GCN 1.0 • Generation: Volcanic Islands(R9 200)

VRAM Capacity
2 GB
GDDR5
FP32 Compute
0.952 TFLOPS
Single Precision
Thermal TDP
65 W
Max Sustained Power
Memory Bandwidth
73.6 GB/s
128-bit Bus

Silicon & Compute Pipeline

MicroarchitectureGCN 1.0
Generation SeriesVolcanic Islands(R9 200)
Process Node28 nm
Die Size123 mm²
Transistor Count1.5 Billion
Shading Units / CUDA Cores512

Clock Speeds & Bus Interface

Base Clock Speed900 MHz
Boost Clock Speed930 MHz
Memory Clock1150 MHz
Memory Bus Width128-bit
Bus InterfacePCIe 3.0 x16
Supported APIsDirectX 11.1 • Vulkan 1.2
Data Source: open-gpu-db (upstream: dbgpu). Licensed under ODbL Open Data.
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