Radeon HD 6670 and Radeon RX 5900 XT - video card comparison

Radeon HD 6670

Radeon RX 5900 XT

Architecture

TeraScale 2 (2009−2015)

RDNA 2.0 (2020−2022)

GPU code name

Turks

Navi 21

Market segment

Desktop

Desktop

Release date

April 2011

-

Bus support

PCIe 2.0 x16

-

Interface

PCIe 2.0 x16

PCIe 4.0 x16

Supplementary power connectors

None

2x 8-pin

Boost clock speed

800 MHz

1735 MHz

Floating-point performance

768.0 gflops

-

Manufacturing process technology

40 nm

7 nm

Number of transistors

716 million

21,000 million

Pipelines / CUDA cores

480

4352

Power consumption (TDP)

66 Watt

300 Watt

Texture fill rate

19.20

471.9

Memory type

GDDR5

GDDR6

Maximum RAM amount

1 GB

12 GB

Memory bus width

128 Bit

384 Bit

Memory clock speed

1050 MHz

14000 MHz

Memory bandwidth

64 GB/s

672.0 GB/s

Display Connectors

1x DVI, 1x HDMI, 1x VGA

1x HDMI, 3x DisplayPort

Eyefinity

1

-

HDMI

+

+

DisplayPort support

-

-

DirectX

DirectX® 11

12 Ultimate (12_1)

Mantle

-

-

OpenCL

1.2

-

OpenGL

4.4

4.6

Shader Model

5.0

-

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-