AMD Radeon R5 A255 vs AMD Radeon RX 470 Mobile

VS

AMD Radeon R5 A255

AMD Radeon RX 470 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A255 and 8GB VRAM Radeon RX 470 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 470 Mobile 's Advantages

Released 2 years and 7 months late

Boost Clock has increased by 14% (1074MHz vs 940MHz)

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 64.00GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A255

0.721 TFLOPS

Radeon RX 470 Mobile +510%

4.399 TFLOPS

Radeon R5 A255

VS

Radeon RX 470 Mobile

Graphics Card

Jan 2014

Release Date

Aug 2016

All-In-One

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

925 MHz

Base Clock

926 MHz

940 MHz

Boost Clock

1074 MHz

1000 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

224.0GB/s

Render Config

6

Compute Units

32

-

384

Shading Units

2048

24

TMUs

128

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

34.37 GPixel/s

22.56 GTexel/s

Texture Rate

137.5 GTexel/s

-

FP16 (half)

4.399 TFLOPS

721.9 GFLOPS

FP32 (float)

4.399 TFLOPS

-

FP64 (double)

274.9 GFLOPS

Board Design

Unknown

TDP

85W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Topaz

GPU Name

Ellesmere

Topaz PRO (216-0858030)

GPU Variant

Ellesmere PRO

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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