AMD Radeon R5 A255 vs AMD Radeon Pro 570X

VS

AMD Radeon R5 A255

AMD Radeon Pro 570X

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A255 and 4GB VRAM Radeon Pro 570X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 570X 's Advantages

Released 5 years and 2 months late

Boost Clock has increased by 18% (1105MHz vs 940MHz)

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (217.6GB/s vs 64.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A255

0.721 TFLOPS

Radeon Pro 570X +449%

3.96 TFLOPS

Radeon R5 A255

VS

Radeon Pro 570X

Graphics Card

Jan 2014

Release Date

Mar 2019

All-In-One

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

1000 MHz

940 MHz

Boost Clock

1105 MHz

1000 MHz

Memory Clock

1700 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

217.6GB/s

Render Config

6

Compute Units

28

-

384

Shading Units

1792

24

TMUs

112

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

35.36 GPixel/s

22.56 GTexel/s

Texture Rate

123.8 GTexel/s

-

FP16 (half)

3.960 TFLOPS

721.9 GFLOPS

FP32 (float)

3.960 TFLOPS

-

FP64 (double)

247.5 GFLOPS

Board Design

Unknown

TDP

150W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Topaz

GPU Name

Polaris 20

Topaz PRO (216-0858030)

GPU Variant

Polaris 20

GCN 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.55 billion

Transistors

5.7 billion

125 mm²

Die Size

232 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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