Radeon R7 260X and Radeon HD 8490 OEM - video card comparison

Radeon R7 260X

Radeon HD 8490 OEM

Architecture

GCN 2.0 (2013−2017)

TeraScale 2 (2009−2015)

GPU code name

Bonaire

Caicos

Market segment

Desktop

Desktop

Release date

October 2013

July 2013

Bus support

PCIe 3.0

-

Interface

PCIe 3.0 x16

PCIe 2.0 x16

Supplementary power connectors

1 x 6-pin

None

Boost clock speed

1000 MHz

-

Core clock speed

-

875 MHz

Floating-point performance

1,971 gflops

280.0 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

2,080 million

370 million

Pipelines / CUDA cores

896

160

Power consumption (TDP)

115 Watt

35 Watt

Texture fill rate

61.60

7.000

Memory type

GDDR5

DDR3

Maximum RAM amount

4 GB

1 GB

Memory bus width

128 Bit

64 Bit

Memory clock speed

-

1800 MHz

Memory bandwidth

104 GB/s

14.4 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

1x DVI, 1x DisplayPort

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 12

11.2 (11_0)

Mantle

-

-

OpenCL

2.0

1.2

OpenGL

4.6

4.4

Shader Model

6.3

5.0

Vulkan

-

N/A

AppAcceleration

-

-

DDMA audio

+

-

Enduro

-

-

FreeSync

1

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-