AMD Radeon Pro 570X vs AMD Radeon R5 M255

VS

AMD Radeon Pro 570X

AMD Radeon R5 M255

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 570X 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 Pro 570X 's Advantages

Released 4 years and 5 months late

Boost Clock has increased by 18% (1105MHz vs 940MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (217.6GB/s vs 32.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 570X +449%

3.96 TFLOPS

Radeon R5 M255

0.721 TFLOPS

Radeon Pro 570X

VS

Radeon R5 M255

Graphics Card

Mar 2019

Release Date

Oct 2014

Radeon Pro Mac

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1000 MHz

Base Clock

925 MHz

1105 MHz

Boost Clock

940 MHz

1700 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

217.6GB/s

Bandwidth

32.00GB/s

Render Config

28

Compute Units

6

-

1792

Shading Units

384

112

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

35.36 GPixel/s

Pixel Rate

7.520 GPixel/s

123.8 GTexel/s

Texture Rate

22.56 GTexel/s

3.960 TFLOPS

FP16 (half)

721.9 GFLOPS

3.960 TFLOPS

FP32 (float)

721.9 GFLOPS

247.5 GFLOPS

FP64 (double)

45.12 GFLOPS

Board Design

150W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Polaris 20

GPU Name

Topaz

Polaris 20

GPU Variant

Topaz PRO (216-0858030)

GCN 4.0

Architecture

GCN 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

1.55 billion

232 mm²

Die Size

125 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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