AMD Radeon RX 580 Mobile vs AMD Radeon E9171 MCM

VS

AMD Radeon RX 580 Mobile

AMD Radeon E9171 MCM

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580 Mobile and 4GB VRAM Radeon E9171 MCM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 Mobile 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 96.00GB/s)

1792 additional rendering cores

AMD Radeon E9171 MCM 's Advantages

Released 6 months late

Boost Clock has increased by 13% (1219MHz vs 1077MHz)

Lower TDP (40W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 580 Mobile +297%

4.963 TFLOPS

Radeon E9171 MCM

1.248 TFLOPS

Radeon RX 580 Mobile

VS

Radeon E9171 MCM

Graphics Card

Apr 2017

Release Date

Oct 2017

Mobility Radeon

Generation

Embedded

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

1000 MHz

Base Clock

1124 MHz

1077 MHz

Boost Clock

1219 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

96.00GB/s

Render Config

36

Compute Units

8

-

2304

Shading Units

512

144

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

34.46 GPixel/s

Pixel Rate

19.50 GPixel/s

155.1 GTexel/s

Texture Rate

39.01 GTexel/s

4.963 TFLOPS

FP16 (half)

1248 GFLOPS

4.963 TFLOPS

FP32 (float)

1248 GFLOPS

310.2 GFLOPS

FP64 (double)

78.02 GFLOPS

Board Design

100W

TDP

40W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 20

GPU Name

Lexa

Polaris 20M XT

GPU Variant

Lexa MCM Pro

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

5.7 billion

Transistors

2.2 billion

232 mm²

Die Size

103 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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