AMD Radeon R5 A255 vs AMD Radeon RX 560X Mobile

VS

AMD Radeon R5 A255

AMD Radeon RX 560X Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A255 and 4GB VRAM Radeon RX 560X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A255 's Advantages

Boost Clock940MHz

AMD Radeon RX 560X Mobile 's Advantages

Released 5 years late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (112.0GB/s vs 64.00GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A255

0.721 TFLOPS

Radeon RX 560X Mobile +204%

2.192 TFLOPS

Radeon R5 A255

VS

Radeon RX 560X Mobile

Graphics Card

Jan 2014

Release Date

Jan 2019

All-In-One

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

-

940 MHz

Boost Clock

-

1000 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

112.0GB/s

Render Config

6

Compute Units

14

-

384

Shading Units

896

24

TMUs

56

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

19.57 GPixel/s

22.56 GTexel/s

Texture Rate

68.49 GTexel/s

-

FP16 (half)

2.192 TFLOPS

721.9 GFLOPS

FP32 (float)

2.192 TFLOPS

-

FP64 (double)

137.0 GFLOPS

Board Design

Unknown

TDP

65W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Topaz

GPU Name

Polaris 31

Topaz PRO (216-0858030)

GPU Variant

Polaris 31 MXL

GCN 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.55 billion

Transistors

3 billion

125 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5

Shader Model

6.4

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