AMD Radeon RX 540X Mobile vs AMD Radeon RX 580 Mobile

VS

AMD Radeon RX 540X Mobile

AMD Radeon RX 580 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 540X Mobile and 8GB VRAM Radeon RX 580 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 540X Mobile 's Advantages

Released 1 years late

Boost Clock has increased by 12% (1211MHz vs 1077MHz)

Lower TDP (50W vs 100W)

AMD Radeon RX 580 Mobile 's Advantages

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 96.00GB/s)

1792 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 540X Mobile

1.24 TFLOPS

Radeon RX 580 Mobile +300%

4.963 TFLOPS

Radeon RX 540X Mobile

VS

Radeon RX 580 Mobile

Graphics Card

Apr 2018

Release Date

Apr 2017

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1124 MHz

Base Clock

1000 MHz

1211 MHz

Boost Clock

1077 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

256.0GB/s

Render Config

8

Compute Units

36

-

512

Shading Units

2304

32

TMUs

144

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

19.38 GPixel/s

Pixel Rate

34.46 GPixel/s

38.75 GTexel/s

Texture Rate

155.1 GTexel/s

1240 GFLOPS

FP16 (half)

4.963 TFLOPS

1240 GFLOPS

FP32 (float)

4.963 TFLOPS

77.50 GFLOPS

FP64 (double)

310.2 GFLOPS

Board Design

50W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 23

GPU Name

Polaris 20

Polaris 23 MXL

GPU Variant

Polaris 20M XT

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

2.2 billion

Transistors

5.7 billion

103 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

Vulkan

1.2

-

6.4

Shader Model

6.4

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