Tahiti and Radeon HD 6670 - video card comparison

Tahiti

Radeon HD 6670

Architecture

GCN 1.0 (2012−2020)

TeraScale 2 (2009−2015)

GPU code name

Tahiti

Turks

Market segment

Desktop

Desktop

Release date

-

April 2011

Bus support

-

PCIe 2.0 x16

Interface

-

PCIe 2.0 x16

Supplementary power connectors

-

None

Boost clock speed

-

800 MHz

Floating-point performance

-

768.0 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

4,313 million

716 million

Pipelines / CUDA cores

2048

480

Power consumption (TDP)

-

66 Watt

Texture fill rate

-

19.20

Memory type

-

GDDR5

Maximum RAM amount

-

1 GB

Memory bus width

-

128 Bit

Memory clock speed

-

1050 MHz

Memory bandwidth

-

64 GB/s

Display Connectors

-

1x DVI, 1x HDMI, 1x VGA

Eyefinity

-

1

HDMI

-

+

DisplayPort support

-

-

DirectX

12 (11_1)

DirectX® 11

Mantle

-

-

OpenCL

2.1 (1.2)

1.2

OpenGL

4.6

4.4

Shader Model

6.5 (5.1)

5.0

Vulkan

1.2.170

-

AppAcceleration

-

-

CrossFire

-

1

Enduro

-

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-