AMD Radeon E9172 MXM vs AMD Radeon Pro 555X

VS

AMD Radeon E9172 MXM

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 2GB VRAM Radeon E9172 MXM and 4GB VRAM Radeon Pro 555X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9172 MXM 's Advantages

Boost Clock1219MHz

Lower TDP (35W vs 75W)

AMD Radeon Pro 555X 's Advantages

Released 9 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (94.08GB/s vs 48.00GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E9172 MXM

1.248 TFLOPS

Radeon Pro 555X +11%

1.393 TFLOPS

Radeon E9172 MXM

VS

Radeon Pro 555X

Graphics Card

Oct 2017

Release Date

Jul 2018

Embedded

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

1124 MHz

Base Clock

-

1219 MHz

Boost Clock

-

1500 MHz

Memory Clock

1470 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

94.08GB/s

Render Config

8

Compute Units

12

-

512

Shading Units

768

32

TMUs

48

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

19.50 GPixel/s

Pixel Rate

14.51 GPixel/s

39.01 GTexel/s

Texture Rate

43.54 GTexel/s

1248 GFLOPS

FP16 (half)

1393 GFLOPS

1248 GFLOPS

FP32 (float)

1393 GFLOPS

78.02 GFLOPS

FP64 (double)

87.07 GFLOPS

Board Design

35W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Lexa

GPU Name

Polaris 21

E9170

GPU Variant

Polaris 21 PRO

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

2.2 billion

Transistors

3 billion

103 mm²

Die Size

123 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

-

6.4

Shader Model

6.4

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