AMD Radeon RX 540 Mobile vs AMD Radeon R5 M420

VS

AMD Radeon RX 540 Mobile AMD Radeon R5 M420

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 540 Mobile and 4GB VRAM Radeon R5 M420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 540 Mobile 's Advantages

Released 1 years and 6 months late

Boost Clock has increased by 43% (1219MHz vs 850MHz)

Larger VRAM bandwidth (96.00GB/s vs 16.00GB/s)

192 additional rendering cores

AMD Radeon R5 M420 's Advantages

More VRAM (4GB vs 2GB)

Score

Benchmark

FP32 (float)

Radeon RX 540 Mobile +129%

1.248 TFLOPS

Radeon R5 M420

0.544 TFLOPS

Radeon RX 540 Mobile

VS

Radeon R5 M420

Graphics Card

Nov 2017

Release Date

May 2016

Mobility Radeon

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1124 MHz

Base Clock

780 MHz

1219 MHz

Boost Clock

850 MHz

1500 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

8

Compute Units

5

512

Shading Units

320

32

TMUs

20

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

19.50 GPixel/s

Pixel Rate

6.800 GPixel/s

39.01 GTexel/s

Texture Rate

17.00 GTexel/s

1248 GFLOPS

FP16 (half)

-

1248 GFLOPS

FP32 (float)

544.0 GFLOPS

78.02 GFLOPS

FP64 (double)

34.00 GFLOPS

Graphics Processor

Lexa

GPU Name

Jet

Lexa PRO (215-0904018)

GPU Variant

Jet PRO (216-0856040)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

0.69 billion

103 mm²

Die Size

56 mm²

Board Design

50W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

CUDA

-

6.4

Shader Model

6.5 (5.1)

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