AMD Radeon RX 470 Mobile vs AMD Radeon RX 550X Mobile

VS

AMD Radeon RX 470 Mobile

AMD Radeon RX 550X Mobile

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 470 Mobile and 2GB VRAM Radeon RX 550X 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

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 48.00GB/s)

1408 additional rendering cores

AMD Radeon RX 550X Mobile 's Advantages

Released 1 years and 8 months late

Boost Clock has increased by 9% (1176MHz vs 1074MHz)

Lower TDP (50W vs 85W)

Score

Benchmark

FP32 (float)

Radeon RX 470 Mobile +192%

4.399 TFLOPS

Radeon RX 550X Mobile

1.505 TFLOPS

Radeon RX 470 Mobile

VS

Radeon RX 550X Mobile

Graphics Card

Aug 2016

Release Date

Apr 2018

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

926 MHz

Base Clock

1100 MHz

1074 MHz

Boost Clock

1176 MHz

1750 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

224.0GB/s

Bandwidth

48.00GB/s

Render Config

32

Compute Units

10

-

2048

Shading Units

640

128

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

34.37 GPixel/s

Pixel Rate

18.82 GPixel/s

137.5 GTexel/s

Texture Rate

47.04 GTexel/s

4.399 TFLOPS

FP16 (half)

1.505 TFLOPS

4.399 TFLOPS

FP32 (float)

1.505 TFLOPS

274.9 GFLOPS

FP64 (double)

94.08 GFLOPS

Board Design

85W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Ellesmere

GPU Name

Polaris 23

Ellesmere PRO

GPU Variant

Polaris 23 MXT

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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