AMD Radeon Pro 560 vs AMD Radeon R5 A255

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 560 and 1024MB VRAM Radeon R5 A255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 560 's Advantages

Released 3 years and 3 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (81.28GB/s vs 64.00GB/s)

640 additional rendering cores

AMD Radeon R5 A255 's Advantages

Boost Clock940MHz

Score

Benchmark

FP32 (float)

Radeon Pro 560 +157%

1.858 TFLOPS

Radeon R5 A255

0.721 TFLOPS

Radeon Pro 560

VS

Radeon R5 A255

Graphics Card

Apr 2017

Release Date

Jan 2014

Radeon Pro Mac

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

940 MHz

1270 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

81.28GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

16

Compute Units

6

1024

Shading Units

384

64

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

14.51 GPixel/s

Pixel Rate

7.520 GPixel/s

58.05 GTexel/s

Texture Rate

22.56 GTexel/s

1.858 TFLOPS

FP16 (half)

-

1.858 TFLOPS

FP32 (float)

721.9 GFLOPS

116.1 GFLOPS

FP64 (double)

-

Graphics Processor

Polaris 21

GPU Name

Topaz

Polaris 21 XT (215-0908004)

GPU Variant

Topaz PRO (216-0858030)

GCN 4.0

Architecture

GCN 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

1.55 billion

123 mm²

Die Size

125 mm²

Board Design

75W

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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