AMD Radeon 540 Mobile vs AMD Radeon Pro 555X

VS

AMD Radeon 540 Mobile AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 2GB VRAM Radeon 540 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 540 Mobile 's Advantages

Released 8 months late

Boost Clock1124MHz

Lower TDP (50W vs 75W)

AMD Radeon Pro 555X 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (94.08GB/s vs 48.00GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 540 Mobile

1.151 TFLOPS

Radeon Pro 555X +21%

1.393 TFLOPS

Radeon 540 Mobile

VS

Radeon Pro 555X

Graphics Card

Mar 2019

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

1100 MHz

Base Clock

-

1124 MHz

Boost Clock

-

1500 MHz

Memory Clock

1470 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

48.00GB/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)

256 KB

L2 Cache

1024 KB

Theoretical Performance

17.98 GPixel/s

Pixel Rate

14.51 GPixel/s

35.97 GTexel/s

Texture Rate

43.54 GTexel/s

1151 GFLOPS

FP16 (half)

1393 GFLOPS

1151 GFLOPS

FP32 (float)

1393 GFLOPS

71.94 GFLOPS

FP64 (double)

87.07 GFLOPS

Graphics Processor

Lexa

GPU Name

Polaris 21

Lexa PRO (215-0904018)

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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