AMD Radeon R5 A255 vs AMD Radeon E9550 MXM

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A255 and 8GB VRAM Radeon E9550 MXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9550 MXM 's Advantages

Released 2 years and 8 months late

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

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A255

0.721 TFLOPS

Radeon E9550 MXM +709%

5.834 TFLOPS

Radeon R5 A255

VS

Radeon E9550 MXM

Graphics Card

Jan 2014

Release Date

Sep 2016

All-In-One

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

925 MHz

Base Clock

1120 MHz

940 MHz

Boost Clock

1266 MHz

1000 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

6

Compute Units

36

384

Shading Units

2304

24

TMUs

144

8

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

Theoretical Performance

7.520 GPixel/s

Pixel Rate

40.51 GPixel/s

22.56 GTexel/s

Texture Rate

182.3 GTexel/s

-

FP16 (half)

5.834 TFLOPS

721.9 GFLOPS

FP32 (float)

5.834 TFLOPS

-

FP64 (double)

364.6 GFLOPS

Graphics Processor

Topaz

GPU Name

Ellesmere

Topaz PRO (216-0858030)

GPU Variant

Ellesmere XT

GCN 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.55 billion

Transistors

5.7 billion

125 mm²

Die Size

232 mm²

Board Design

Unknown

TDP

95W

-

Suggested PSU

-

Portable Device Dependent

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

-

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2.170

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

6.4

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