AMD Radeon RX 550X Mobile vs AMD Radeon R5 M255

VS

AMD Radeon RX 550X Mobile AMD Radeon R5 M255

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 550X Mobile and 2GB VRAM Radeon R5 M255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X Mobile 's Advantages

Released 3 years and 6 months late

Boost Clock has increased by 25% (1176MHz vs 940MHz)

Larger VRAM bandwidth (48.00GB/s vs 32.00GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550X Mobile +108%

1.505 TFLOPS

Radeon R5 M255

0.721 TFLOPS

Radeon RX 550X Mobile

VS

Radeon R5 M255

Graphics Card

Apr 2018

Release Date

Oct 2014

Mobility Radeon

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1100 MHz

Base Clock

925 MHz

1176 MHz

Boost Clock

940 MHz

1500 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

32.00GB/s

Render Config

-

SM Count

-

10

Compute Units

6

640

Shading Units

384

40

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

18.82 GPixel/s

Pixel Rate

7.520 GPixel/s

47.04 GTexel/s

Texture Rate

22.56 GTexel/s

1.505 TFLOPS

FP16 (half)

721.9 GFLOPS

1.505 TFLOPS

FP32 (float)

721.9 GFLOPS

94.08 GFLOPS

FP64 (double)

45.12 GFLOPS

Graphics Processor

Polaris 23

GPU Name

Topaz

Polaris 23 MXT

GPU Variant

Topaz PRO (216-0858030)

GCN 4.0

Architecture

GCN 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

1.55 billion

103 mm²

Die Size

125 mm²

Board Design

50W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

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

-

CUDA

-

6.4

Shader Model

6.5

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