Radeon R5 A255
General
ManufacturerAMD
SeriesAll-In-One(Rx 200)
GPU NameTopaz
ArchitectureGCN 3.0
GenerationAll-In-One(Rx 200)
Release DateJan 2014
Bus InterfacePCIe 3.0 x8
Process & Die
FoundryTSMC
Process Size28 nm
Transistors1,550 M
Transistor Density12,400 K/mm²
Die Size125 mm²
Clock Speeds
Base Clock925 MHz
Boost Clock940 MHz
Memory
VRAM1 GB
Memory TypeGDDR5
Memory Clock1,000 MHz
Memory Bus128-bit
Bandwidth64 GB/s
Processing Units
Shading Units384
TMUs24
ROPs8
SMs0
Tensor Cores0
RT Cores0
Cache
L1 Cache16 KB
L2 Cache0.25 MB
Power & Thermals
Dimensions
Outputs
API Support
DirectX12.0
OpenGL4.6
Vulkan1.2
OpenCL2.1
Shader Model6.5
Theoretical Performance
Pixel Rate7.52 GP/s
Texture Rate22.56 GT/s
FP32 (Single)721.9 GFLOPS
External
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