AMD Radeon E9550 MXM vs AMD Radeon R5 M255

VS

We compared two Mobile platform GPUs: 8GB VRAM Radeon E9550 MXM and 2GB VRAM Radeon R5 M255 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 11 months late

Boost Clock has increased by 35% (1266MHz vs 940MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 32.00GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E9550 MXM +709%

5.834 TFLOPS

Radeon R5 M255

0.721 TFLOPS

Radeon E9550 MXM

VS

Radeon R5 M255

Graphics Card

Sep 2016

Release Date

Oct 2014

Embedded

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

1120 MHz

Base Clock

925 MHz

1266 MHz

Boost Clock

940 MHz

1250 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

32.00GB/s

Render Config

-

SM Count

-

36

Compute Units

6

2304

Shading Units

384

144

TMUs

24

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

40.51 GPixel/s

Pixel Rate

7.520 GPixel/s

182.3 GTexel/s

Texture Rate

22.56 GTexel/s

5.834 TFLOPS

FP16 (half)

721.9 GFLOPS

5.834 TFLOPS

FP32 (float)

721.9 GFLOPS

364.6 GFLOPS

FP64 (double)

45.12 GFLOPS

Graphics Processor

Ellesmere

GPU Name

Topaz

Ellesmere XT

GPU Variant

Topaz PRO (216-0858030)

GCN 4.0

Architecture

GCN 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

1.55 billion

232 mm²

Die Size

125 mm²

Board Design

95W

TDP

Unknown

-

Suggested PSU

-

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2.170

-

CUDA

-

6.4

Shader Model

6.5

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