AMD Radeon R5 A255 vs AMD Radeon 540 Mobile

VS

AMD Radeon R5 A255

AMD Radeon 540 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A255 and 2GB VRAM Radeon 540 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A255 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 48.00GB/s)

AMD Radeon 540 Mobile 's Advantages

Released 5 years and 2 months late

Boost Clock has increased by 20% (1124MHz vs 940MHz)

More VRAM (2GB vs 1024GB)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A255

0.721 TFLOPS

Radeon 540 Mobile +59%

1.151 TFLOPS

Radeon R5 A255

VS

Radeon 540 Mobile

Graphics Card

Jan 2014

Release Date

Mar 2019

All-In-One

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

925 MHz

Base Clock

1100 MHz

940 MHz

Boost Clock

1124 MHz

1000 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

48.00GB/s

Render Config

6

Compute Units

8

-

384

Shading Units

512

24

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

17.98 GPixel/s

22.56 GTexel/s

Texture Rate

35.97 GTexel/s

-

FP16 (half)

1151 GFLOPS

721.9 GFLOPS

FP32 (float)

1151 GFLOPS

-

FP64 (double)

71.94 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Topaz

GPU Name

Lexa

Topaz PRO (216-0858030)

GPU Variant

Lexa PRO (215-0904018)

GCN 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.55 billion

Transistors

2.2 billion

125 mm²

Die Size

103 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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