Radeon HD 6670 and Radeon RX 570 X2 - video card comparison

Radeon HD 6670

Radeon RX 570 X2

Architecture

TeraScale 2 (2009−2015)

GCN 4.0 (2016−2020)

GPU code name

Turks

Polaris 20

Market segment

Desktop

Desktop

Release date

April 2011

-

Bus support

PCIe 2.0 x16

-

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Supplementary power connectors

None

2x 8-pin

Boost clock speed

800 MHz

1206 MHz

Floating-point performance

768.0 gflops

-

Manufacturing process technology

40 nm

14 nm

Number of transistors

716 million

5,700 million

Pipelines / CUDA cores

480

2048

Power consumption (TDP)

66 Watt

180 Watt

Texture fill rate

19.20

154.4

Memory type

GDDR5

GDDR5

Maximum RAM amount

1 GB

8 GB

Memory bus width

128 Bit

256 Bit

Memory clock speed

1050 MHz

8.4 GB/s

Memory bandwidth

64 GB/s

268.8 GB/s

Display Connectors

1x DVI, 1x HDMI, 1x VGA

1x HDMI 2.0b

Eyefinity

1

-

HDMI

+

+

DisplayPort support

-

-

DirectX

DirectX® 11

12 (12_0)

Mantle

-

-

OpenCL

1.2

2.1

OpenGL

4.4

4.6

Shader Model

5.0

6.7

Vulkan

-

1.3

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-