AMD Radeon E9550 MXM vs AMD Radeon R9 M395X Mac Edition

VS

AMD Radeon E9550 MXM AMD Radeon R9 M395X Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM Radeon E9550 MXM and 4GB VRAM Radeon R9 M395X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9550 MXM 's Advantages

Released 1 years and 4 months late

Boost Clock1266MHz

More VRAM (8GB vs 4GB)

256 additional rendering cores

Lower TDP (95W vs 250W)

AMD Radeon R9 M395X Mac Edition 's Advantages

Larger VRAM bandwidth (174.7GB/s vs 160.0GB/s)

Score

Benchmark

FP32 (float)

Radeon E9550 MXM +56%

5.834 TFLOPS

Radeon R9 M395X Mac Edition

3.723 TFLOPS

Radeon E9550 MXM

VS

Radeon R9 M395X Mac Edition

Graphics Card

Sep 2016

Release Date

May 2015

Embedded

Generation

Crystal System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

1120 MHz

Base Clock

-

1266 MHz

Boost Clock

-

1250 MHz

Memory Clock

1365 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

174.7GB/s

Render Config

-

SM Count

-

36

Compute Units

32

2304

Shading Units

2048

144

TMUs

128

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

40.51 GPixel/s

Pixel Rate

29.09 GPixel/s

182.3 GTexel/s

Texture Rate

116.4 GTexel/s

5.834 TFLOPS

FP16 (half)

3.723 TFLOPS

5.834 TFLOPS

FP32 (float)

3.723 TFLOPS

364.6 GFLOPS

FP64 (double)

232.7 GFLOPS

Graphics Processor

Ellesmere

GPU Name

Amethyst

Ellesmere XT

GPU Variant

Amethyst XT

GCN 4.0

Architecture

GCN 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

5 billion

232 mm²

Die Size

366 mm²

Board Design

95W

TDP

250W

-

Suggested PSU

-

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.3

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