AMD Radeon RX 580 Mobile vs AMD Radeon R9 M470X

VS

AMD Radeon RX 580 Mobile

AMD Radeon R9 M470X

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580 Mobile and 4GB VRAM Radeon R9 M470X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 Mobile 's Advantages

Released 11 months late

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 76.80GB/s)

1408 additional rendering cores

AMD Radeon R9 M470X 's Advantages

Boost Clock has increased by 2% (1100MHz vs 1077MHz)

Score

Benchmark

FP32 (float)

Radeon RX 580 Mobile +151%

4.963 TFLOPS

Radeon R9 M470X

1.971 TFLOPS

Radeon RX 580 Mobile

VS

Radeon R9 M470X

Graphics Card

Apr 2017

Release Date

May 2016

Mobility Radeon

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

1000 MHz

1077 MHz

Boost Clock

1100 MHz

2000 MHz

Memory Clock

1200 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

76.80GB/s

Render Config

36

Compute Units

14

-

2304

Shading Units

896

144

TMUs

56

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

34.46 GPixel/s

Pixel Rate

17.60 GPixel/s

155.1 GTexel/s

Texture Rate

61.60 GTexel/s

4.963 TFLOPS

FP16 (half)

-

4.963 TFLOPS

FP32 (float)

1.971 TFLOPS

310.2 GFLOPS

FP64 (double)

123.2 GFLOPS

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Polaris 20

GPU Name

Emerald

Polaris 20M XT

GPU Variant

Emerald XT

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

2.08 billion

232 mm²

Die Size

160 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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