AMD Radeon 540 Mobile vs AMD Radeon R5 A255

VS

AMD Radeon 540 Mobile AMD Radeon R5 A255

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

Main Differences

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 1GB)

128 additional rendering cores

AMD Radeon R5 A255 's Advantages

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

Score

Benchmark

FP32 (float)

Radeon 540 Mobile +59%

1.151 TFLOPS

Radeon R5 A255

0.721 TFLOPS

Radeon 540 Mobile

VS

Radeon R5 A255

Graphics Card

Mar 2019

Release Date

Jan 2014

Mobility Radeon

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1100 MHz

Base Clock

925 MHz

1124 MHz

Boost Clock

940 MHz

1500 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

8

Compute Units

6

512

Shading Units

384

32

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

17.98 GPixel/s

Pixel Rate

7.520 GPixel/s

35.97 GTexel/s

Texture Rate

22.56 GTexel/s

1151 GFLOPS

FP16 (half)

-

1151 GFLOPS

FP32 (float)

721.9 GFLOPS

71.94 GFLOPS

FP64 (double)

-

Graphics Processor

Lexa

GPU Name

Topaz

Lexa PRO (215-0904018)

GPU Variant

Topaz PRO (216-0858030)

GCN 4.0

Architecture

GCN 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

1.55 billion

103 mm²

Die Size

125 mm²

Board Design

50W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2.170

-

CUDA

-

6.4

Shader Model

6.5

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