AMD Radeon E9172 MXM vs AMD Radeon R5 M255

VS

AMD Radeon E9172 MXM

AMD Radeon R5 M255

We compared two Mobile platform GPUs: 2GB VRAM Radeon E9172 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 E9172 MXM 's Advantages

Released 3 years late

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

Larger VRAM bandwidth (48.00GB/s vs 32.00GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E9172 MXM +73%

1.248 TFLOPS

Radeon R5 M255

0.721 TFLOPS

Radeon E9172 MXM

VS

Radeon R5 M255

Graphics Card

Oct 2017

Release Date

Oct 2014

Embedded

Generation

Gem System

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

2GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

32.00GB/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)

721.9 GFLOPS

1248 GFLOPS

FP32 (float)

721.9 GFLOPS

78.02 GFLOPS

FP64 (double)

45.12 GFLOPS

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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