Home AMD Radeon R5 A255

AMD Radeon R5 A255

This is a GPU manufactured with TSMC 28nm process, based on AMD GCN 3.0 architecture and released on 2014. It features 1.55 billion transistors, 384 Rendering cores and 1024MB GDDR5 memory, with 256KB L2 cache, theoretical performance of 721.9GFLOPS.

Graphics Card

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Release Date
Jan 2014
Generation
All-In-One
Type
Mobile
Bus Interface
PCIe 3.0 x8

Clock Speeds

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Base Clock
925MHz
Boost Clock
940MHz
Memory Clock
1000MHz

Memory

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Memory Size
1024MB
Memory Type
GDDR5
Memory Bus
128bit
Bandwidth
64.00 GB/s

Render Config

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Compute Units
6
Shading Units
384
TMUs
24
ROPs
8
L1 Cache
16 KB (per CU)
L2 Cache
256KB

Theoretical Performance

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Pixel Rate
7.520 GPixel/s
Texture Rate
22.56 GTexel/s
FP32 (float)
721.9 GFLOPS

Graphics Processor

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GPU Name
Topaz
GPU Variant
Topaz PRO


(216-0858030)
Architecture
GCN 3.0
Foundry
TSMC
Process Size
28 nm
Transistors
1,550 million
Die Size
125mm²

Board Design

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TDP
Unknown
Outputs
Portable Device Dependent

Graphics Features

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DirectX
12 (12_0)
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2.170
Shader Model
6.5

Rankings

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FP32 (float)
NVIDIA Quadro 5000 2.5 GB GDDR5
0.722 TFLOPS
0.722 TFLOPS
AMD Radeon R5 A255 1024 MB GDDR5
0.721 TFLOPS
0.721 TFLOPS
AMD Radeon R6 M255DX System Shared System Shared
0.721 TFLOPS
AMD Radeon R7 250 1024 MB DDR3
0.717 TFLOPS
0.711 TFLOPS

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