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

VS

AMD Radeon RX 580X Mobile

AMD Radeon RX 540 Mobile

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

Main Differences

AMD Radeon RX 580X Mobile 's Advantages

More VRAM (8GB vs 2GB)

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

1792 additional rendering cores

AMD Radeon RX 540 Mobile 's Advantages

Boost Clock has increased by 13% (1219MHz vs 1077MHz)

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 580X Mobile +297%

4.963 TFLOPS

Radeon RX 540 Mobile

1.248 TFLOPS

Radeon RX 580X Mobile

VS

Radeon RX 540 Mobile

Graphics Card

Apr 2018

Release Date

Nov 2017

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

1000 MHz

Base Clock

1124 MHz

1077 MHz

Boost Clock

1219 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

96.00GB/s

Render Config

36

Compute Units

8

-

2304

Shading Units

512

144

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

34.46 GPixel/s

Pixel Rate

19.50 GPixel/s

155.1 GTexel/s

Texture Rate

39.01 GTexel/s

4.963 TFLOPS

FP16 (half)

1248 GFLOPS

4.963 TFLOPS

FP32 (float)

1248 GFLOPS

310.2 GFLOPS

FP64 (double)

78.02 GFLOPS

Board Design

100W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 20

GPU Name

Lexa

Polaris 20M XT

GPU Variant

Lexa PRO (215-0904018)

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

5.7 billion

Transistors

2.2 billion

232 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

Vulkan

1.2

-

6.4

Shader Model

6.4

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