AMD Radeon E9171 MCM vs AMD Radeon R9 M485X

VS

AMD Radeon E9171 MCM AMD Radeon R9 M485X

We compared two Mobile platform GPUs: 4GB VRAM Radeon E9171 MCM and 8GB VRAM Radeon R9 M485X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9171 MCM 's Advantages

Released 1 years and 5 months late

Boost Clock1219MHz

Lower TDP (40W vs 250W)

AMD Radeon R9 M485X 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (160.0GB/s vs 96.00GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E9171 MCM

1.248 TFLOPS

Radeon R9 M485X +137%

2.961 TFLOPS

Radeon E9171 MCM

VS

Radeon R9 M485X

Graphics Card

Oct 2017

Release Date

May 2016

Embedded

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1124 MHz

Base Clock

-

1219 MHz

Boost Clock

-

1500 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

8

Compute Units

32

512

Shading Units

2048

32

TMUs

128

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

19.50 GPixel/s

Pixel Rate

23.14 GPixel/s

39.01 GTexel/s

Texture Rate

92.54 GTexel/s

1248 GFLOPS

FP16 (half)

2.961 TFLOPS

1248 GFLOPS

FP32 (float)

2.961 TFLOPS

78.02 GFLOPS

FP64 (double)

185.1 GFLOPS

Graphics Processor

Lexa

GPU Name

Amethyst

Lexa MCM Pro

GPU Variant

Amethyst XT

GCN 4.0

Architecture

GCN 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

5 billion

103 mm²

Die Size

366 mm²

Board Design

40W

TDP

250W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.3

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