Radeon R5 Graphics and Radeon HD 6450 - video card comparison

Radeon R5 Graphics

Radeon HD 6450

Architecture

GCN 2.0 (2013−2017)

TeraScale 2 (2009−2015)

GPU code name

Spectre SL

Caicos

Market segment

Desktop

Desktop

Release date

September 2014

April 2011

Bus support

-

PCIe 2.0 x8

Interface

IGP

PCIe 2.0 x16

Supplementary power connectors

-

None

Boost clock speed

720 MHz

750 MHz

Core clock speed

497 MHz

-

Floating-point performance

388.1 gflops

200.0 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

2,410 million

370 million

Pipelines / CUDA cores

256

160

Power consumption (TDP)

15 Watt

30 Watt

Texture fill rate

7.952

5.000

Memory type

System Shared

GDDR5

Maximum RAM amount

System Shared

1 GB

Memory bus width

System Shared

64 Bit

Memory clock speed

System Shared

800 MHz

Memory bandwidth

-

25.6 GB/s

Memory bandwidth

-

8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)

Display Connectors

No outputs

1x DVI, 1x HDMI, 1x VGA

Eyefinity

-

1

Number of Eyefinity displays

-

4

HDMI

-

+

DisplayPort support

-

+

DirectX

12 (12_0)

DirectX® 11

Mantle

-

-

OpenCL

2.0

1.2

OpenGL

4.6

4.4

Shader Model

6.0

5.0

Vulkan

1.2.131

-

AppAcceleration

-

-

CrossFire

-

1

Enduro

-

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-