AMD Radeon RX 550 Mobile vs AMD Radeon R9 M395X

VS

AMD Radeon RX 550 Mobile

AMD Radeon R9 M395X

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 550 Mobile and 8GB VRAM Radeon R9 M395X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 Mobile 's Advantages

Released 2 years and 2 months late

Boost Clock1287MHz

Lower TDP (50W vs 75W)

AMD Radeon R9 M395X 's Advantages

More VRAM (8GB vs 2GB)

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

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 Mobile

1.647 TFLOPS

Radeon R9 M395X +79%

2.961 TFLOPS

Radeon RX 550 Mobile

VS

Radeon R9 M395X

Graphics Card

Jul 2017

Release Date

May 2015

Mobility Radeon

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1287 MHz

Boost Clock

-

1500 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

160.0GB/s

Render Config

10

Compute Units

32

-

640

Shading Units

2048

40

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

20.59 GPixel/s

Pixel Rate

23.14 GPixel/s

51.48 GTexel/s

Texture Rate

92.54 GTexel/s

1.647 TFLOPS

FP16 (half)

2.961 TFLOPS

1.647 TFLOPS

FP32 (float)

2.961 TFLOPS

103.0 GFLOPS

FP64 (double)

185.1 GFLOPS

Board Design

50W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Lexa

GPU Name

Amethyst

Lexa PRO (215-0904018)

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

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

6.4

Shader Model

6.3

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