AMD Radeon RX 470 Mobile vs AMD Radeon RX 580X Mobile

VS

AMD Radeon RX 470 Mobile

AMD Radeon RX 580X Mobile

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 470 Mobile and 8GB VRAM Radeon RX 580X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 470 Mobile 's Advantages

Lower TDP (85W vs 100W)

AMD Radeon RX 580X Mobile 's Advantages

Released 1 years and 8 months late

Boost Clock has increased by 0% (1077MHz vs 1074MHz)

Larger VRAM bandwidth (256.0GB/s vs 224.0GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 470 Mobile

4.399 TFLOPS

Radeon RX 580X Mobile +12%

4.963 TFLOPS

Radeon RX 470 Mobile

VS

Radeon RX 580X Mobile

Graphics Card

Aug 2016

Release Date

Apr 2018

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

926 MHz

Base Clock

1000 MHz

1074 MHz

Boost Clock

1077 MHz

1750 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

224.0GB/s

Bandwidth

256.0GB/s

Render Config

32

Compute Units

36

-

2048

Shading Units

2304

128

TMUs

144

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

2 MB

-

Theoretical Performance

34.37 GPixel/s

Pixel Rate

34.46 GPixel/s

137.5 GTexel/s

Texture Rate

155.1 GTexel/s

4.399 TFLOPS

FP16 (half)

4.963 TFLOPS

4.399 TFLOPS

FP32 (float)

4.963 TFLOPS

274.9 GFLOPS

FP64 (double)

310.2 GFLOPS

Board Design

85W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Ellesmere

GPU Name

Polaris 20

Ellesmere PRO

GPU Variant

Polaris 20M XT

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

5.7 billion

Transistors

5.7 billion

232 mm²

Die Size

232 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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