Radeon HD 6850 and Radeon R9 260 OEM - video card comparison

Radeon HD 6850

Radeon R9 260 OEM

Architecture

TeraScale 2 (2009−2015)

GCN 2.0 (2013−2017)

GPU code name

Barts

Bonaire

Market segment

Desktop

Desktop

Release date

October 2010

December 2013

Bus support

AGP

-

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Supplementary power connectors

1x 6-pin

1x 6-pin

Core clock speed

-

1100 MHz

Floating-point performance

1,488.0 gflops

1,971 gflops

Manufacturing process technology

40 nm

28 nm

Number of transistors

1,700 million

2,080 million

Pipelines / CUDA cores

960

896

Power consumption (TDP)

127 Watt

85 Watt

Texture fill rate

37.20

61.60

Memory type

GDDR5

GDDR5

Maximum RAM amount

1 GB

1 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

-

6500 MHz

Memory bandwidth

128.0 GB/s

104.0 GB/s

Display Connectors

2x DVI, 1x HDMI, 2x mini-DisplayPort

1x DVI, 1x HDMI, 2x mini-DisplayPort

Eyefinity

1

-

HDMI

+

+

DisplayPort support

-

-

DirectX

DirectX® 11

12 (12_0)

Mantle

-

-

OpenCL

1.2

2.0

OpenGL

4.4

4.6

Shader Model

5.0

6.3

Vulkan

-

1.2.131

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-