AMD Radeon RX 480 Mobile vs AMD Radeon 540X Mobile

VS

AMD Radeon RX 480 Mobile AMD Radeon 540X Mobile

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 480 Mobile and 2GB VRAM Radeon 540X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 480 Mobile 's Advantages

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 32.00GB/s)

1792 additional rendering cores

AMD Radeon 540X Mobile 's Advantages

Released 2 years and 6 months late

Boost Clock has increased by 2% (1095MHz vs 1077MHz)

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 480 Mobile +342%

4.963 TFLOPS

Radeon 540X Mobile

1.121 TFLOPS

Radeon RX 480 Mobile

VS

Radeon 540X Mobile

Graphics Card

Aug 2016

Release Date

Feb 2019

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

1000 MHz

Base Clock

980 MHz

1077 MHz

Boost Clock

1095 MHz

2000 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

256.0GB/s

Bandwidth

32.00GB/s

Render Config

-

SM Count

-

36

Compute Units

8

2304

Shading Units

512

144

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

34.46 GPixel/s

Pixel Rate

17.52 GPixel/s

155.1 GTexel/s

Texture Rate

35.04 GTexel/s

4.963 TFLOPS

FP16 (half)

1121 GFLOPS

4.963 TFLOPS

FP32 (float)

1121 GFLOPS

310.2 GFLOPS

FP64 (double)

70.08 GFLOPS

Graphics Processor

Ellesmere

GPU Name

Lexa

Ellesmere 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

Board Design

100W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.4

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