Radeon HD 6670 and HD Graphics 405 - video card comparison

Radeon HD 6670

HD Graphics 405

Architecture

TeraScale 2 (2009−2015)

Gen. 8 (2015−2016)

GPU code name

Turks

Braswell

Market segment

Desktop

Laptop

Release date

April 2011

April 2016

Bus support

PCIe 2.0 x16

-

Interface

PCIe 2.0 x16

PCIe 3.0 x1

Supplementary power connectors

None

-

Boost clock speed

800 MHz

700 MHz

Core clock speed

-

320 MHz

Floating-point performance

768.0 gflops

213.1 gflops

Manufacturing process technology

40 nm

14 nm

Number of transistors

716 million

189 million

Pipelines / CUDA cores

480

16

Power consumption (TDP)

66 Watt

6 Watt

Texture fill rate

19.20

11.20

Memory type

GDDR5

System Shared

Maximum RAM amount

1 GB

System Shared

Memory bus width

128 Bit

64/128 Bit

Memory clock speed

1050 MHz

System Shared

Memory bandwidth

64 GB/s

-

Shared memory

-

+

Display Connectors

1x DVI, 1x HDMI, 1x VGA

No outputs

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 11

12 (11_1)

Mantle

-

-

OpenCL

1.2

2.0

OpenGL

4.4

4.3

Shader Model

5.0

5.1

Vulkan

-

1.1.80

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-