AMD Radeon R9 M395X Mac Edition vs AMD Radeon RX 540 Mobile

VS

AMD Radeon R9 M395X Mac Edition

AMD Radeon RX 540 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition 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 R9 M395X Mac Edition 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (174.7GB/s vs 96.00GB/s)

1536 additional rendering cores

AMD Radeon RX 540 Mobile 's Advantages

Released 2 years and 6 months late

Boost Clock1219MHz

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M395X Mac Edition +198%

3.723 TFLOPS

Radeon RX 540 Mobile

1.248 TFLOPS

Radeon R9 M395X Mac Edition

VS

Radeon RX 540 Mobile

Graphics Card

May 2015

Release Date

Nov 2017

Crystal System

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1124 MHz

-

Boost Clock

1219 MHz

1365 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

96.00GB/s

Render Config

32

Compute Units

8

-

2048

Shading Units

512

128

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

29.09 GPixel/s

Pixel Rate

19.50 GPixel/s

116.4 GTexel/s

Texture Rate

39.01 GTexel/s

3.723 TFLOPS

FP16 (half)

1248 GFLOPS

3.723 TFLOPS

FP32 (float)

1248 GFLOPS

232.7 GFLOPS

FP64 (double)

78.02 GFLOPS

Board Design

250W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

Lexa

Amethyst XT

GPU Variant

Lexa PRO (215-0904018)

GCN 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

5 billion

Transistors

2.2 billion

366 mm²

Die Size

103 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

6.3

Shader Model

6.4

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