AMD Radeon RX 540X Mobile vs AMD Radeon Pro 555X

VS

AMD Radeon RX 540X Mobile AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 540X Mobile and 4GB VRAM Radeon Pro 555X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 540X Mobile 's Advantages

Boost Clock1211MHz

Larger VRAM bandwidth (96.00GB/s vs 94.08GB/s)

Lower TDP (50W vs 75W)

AMD Radeon Pro 555X 's Advantages

More VRAM (4GB vs 2GB)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 540X Mobile

1.24 TFLOPS

Radeon Pro 555X +12%

1.393 TFLOPS

Radeon RX 540X Mobile

VS

Radeon Pro 555X

Graphics Card

Apr 2018

Release Date

Jul 2018

Mobility Radeon

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1124 MHz

Base Clock

-

1211 MHz

Boost Clock

-

1500 MHz

Memory Clock

1470 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

94.08GB/s

Render Config

-

SM Count

-

8

Compute Units

12

512

Shading Units

768

32

TMUs

48

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

Theoretical Performance

19.38 GPixel/s

Pixel Rate

14.51 GPixel/s

38.75 GTexel/s

Texture Rate

43.54 GTexel/s

1240 GFLOPS

FP16 (half)

1393 GFLOPS

1240 GFLOPS

FP32 (float)

1393 GFLOPS

77.50 GFLOPS

FP64 (double)

87.07 GFLOPS

Graphics Processor

Polaris 23

GPU Name

Polaris 21

Polaris 23 MXL

GPU Variant

Polaris 21 PRO

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

2.2 billion

Transistors

3 billion

103 mm²

Die Size

123 mm²

Board Design

50W

TDP

75W

-

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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