Radeon R5 Graphics and Radeon R5 M255 - video card comparison

Radeon R5 Graphics

Radeon R5 M255

Architecture

GCN 2.0 (2013−2017)

GCN (2011−2017)

GPU code name

Spectre SL

Topaz Pro / Sun

Market segment

Desktop

Laptop

Release date

September 2014

May 2014

Bus support

-

PCIe 3.0 x8

Interface

IGP

PCIe 3.0 x8

Boost clock speed

720 MHz

940 MHz

Compute units

-

5

Core clock speed

497 MHz

940 MHz

Floating-point performance

388.1 gflops

721.9 gflops

Manufacturing process technology

28 nm

28 nm

Number of transistors

2,410 million

1,550 million

Pipelines / CUDA cores

256

320

Power consumption (TDP)

15 Watt

-

Texture fill rate

7.952

22.56

Memory type

System Shared

DDR3

Maximum RAM amount

System Shared

4 GB

Memory bus width

System Shared

64 Bit

Memory clock speed

System Shared

1000 MHz

Memory bandwidth

-

16 GB/s

Shared memory

-

-

Display Connectors

No outputs

No outputs

Eyefinity

-

+

DirectX

12 (12_0)

DirectX® 11

Mantle

-

+

OpenCL

2.0

Not Listed

OpenGL

4.6

4.4

Shader Model

6.0

6.3

Vulkan

1.2.131

-

AppAcceleration

-

+

DualGraphics

-

1

Enduro

-

-

HD3D

-

+

PowerTune

-

+

Switchable graphics

-

1

TrueAudio

-

-

ZeroCore

-

+