AMD Radeon E9172 MXM vs AMD Radeon R5 A255

VS

AMD Radeon E9172 MXM

AMD Radeon R5 A255

We compared two Mobile platform GPUs: 2GB VRAM Radeon E9172 MXM and 1024MB VRAM Radeon R5 A255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9172 MXM 's Advantages

Released 3 years and 9 months late

Boost Clock has increased by 30% (1219MHz vs 940MHz)

More VRAM (2GB vs 1024GB)

128 additional rendering cores

AMD Radeon R5 A255 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 48.00GB/s)

Score

Benchmark

FP32 (float)

Radeon E9172 MXM +73%

1.248 TFLOPS

Radeon R5 A255

0.721 TFLOPS

Radeon E9172 MXM

VS

Radeon R5 A255

Graphics Card

Oct 2017

Release Date

Jan 2014

Embedded

Generation

All-In-One

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

1124 MHz

Base Clock

925 MHz

1219 MHz

Boost Clock

940 MHz

1500 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

64.00GB/s

Render Config

8

Compute Units

6

-

512

Shading Units

384

32

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

19.50 GPixel/s

Pixel Rate

7.520 GPixel/s

39.01 GTexel/s

Texture Rate

22.56 GTexel/s

1248 GFLOPS

FP16 (half)

-

1248 GFLOPS

FP32 (float)

721.9 GFLOPS

78.02 GFLOPS

FP64 (double)

-

Board Design

35W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Lexa

GPU Name

Topaz

E9170

GPU Variant

Topaz PRO (216-0858030)

GCN 4.0

Architecture

GCN 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

1.55 billion

103 mm²

Die Size

125 mm²

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

-

6.4

Shader Model

6.5

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