AMD Radeon 550X Mobile vs AMD Radeon R9 M270X

VS

AMD Radeon 550X Mobile

AMD Radeon R9 M270X

We compared two Mobile platform GPUs: 4GB VRAM Radeon 550X Mobile and 2GB VRAM Radeon R9 M270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X Mobile 's Advantages

Released 3 years and 2 months late

Boost Clock has increased by 29% (1287MHz vs 1000MHz)

More VRAM (4GB vs 2GB)

AMD Radeon R9 M270X 's Advantages

Larger VRAM bandwidth (88.00GB/s vs 48.00GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X Mobile +7%

1.647 TFLOPS

Radeon R9 M270X

1.536 TFLOPS

Radeon 550X Mobile

VS

Radeon R9 M270X

Graphics Card

Apr 2018

Release Date

Feb 2015

Mobility Radeon

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1100 MHz

Base Clock

900 MHz

1287 MHz

Boost Clock

1000 MHz

1500 MHz

Memory Clock

1375 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

88.00GB/s

Render Config

10

Compute Units

12

-

640

Shading Units

768

40

TMUs

48

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

20.59 GPixel/s

Pixel Rate

16.00 GPixel/s

51.48 GTexel/s

Texture Rate

48.00 GTexel/s

1.647 TFLOPS

FP16 (half)

-

1.647 TFLOPS

FP32 (float)

1.536 TFLOPS

103.0 GFLOPS

FP64 (double)

96.00 GFLOPS

Board Design

50W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Polaris 23

GPU Name

Saturn

Polaris 23 MXT

GPU Variant

Saturn PRO (216-0843044)

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

2.08 billion

103 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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