Radeon R7 M260 and Radeon HD 6490 - video card comparison

Radeon R7 M260

Radeon HD 6490

Architecture

GCN (2011−2017)

TeraScale 2 (2009−2015)

GPU code name

Opal Pro / Mars

Redwood

Market segment

Laptop

Desktop

Release date

January 2014

July 2011

Bus support

PCIe 3.0 x8

-

Interface

PCIe 3.0 x8

PCIe 2.0 x16

Supplementary power connectors

None

None

Boost clock speed

980 MHz

-

Compute units

6

-

Core clock speed

715 MHz

550 MHz

Floating-point performance

721.9 gflops

352.0 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

1,550 million

627 million

Pipelines / CUDA cores

384

320

Power consumption (TDP)

-

39 Watt

Texture fill rate

23.52

8.800

Memory type

DDR3

DDR2

Maximum RAM amount

4 GB

1 GB

Memory bus width

128 Bit

128 Bit

Memory clock speed

900 MHz

1000 MHz

Memory bandwidth

14.4 GB/s

16 GB/s

Shared memory

-

-

Display Connectors

No outputs

1x DVI, 1x HDMI, 1x VGA

HDMI

-

+

DirectX

DirectX® 12

11.2 (11_0)

Mantle

+

-

OpenCL

2.0

1.2

OpenGL

4.3

4.4

Shader Model

6.3

5.0

Vulkan

-

N/A

AppAcceleration

-

-

DualGraphics

1

-

Enduro

-

-

FreeSync

1

-

HD3D

+

-

PowerTune

+

-

Switchable graphics

1

-

TrueAudio

-

-

ZeroCore

+

-