Radeon HD 6970 and Radeon RX 550 640SP - video card comparison

Radeon HD 6970

Radeon RX 550 640SP

Architecture

Terascale 2 (2009−2015)

GCN 4.0 (2016−2020)

GPU code name

Cayman

Baffin

Market segment

Desktop

Desktop

Release date

December 2010

October 2017

Bus support

PCIe 2.0 x16

-

Interface

PCIe 2.0 x16

PCIe 3.0 x8

Supplementary power connectors

1x 6-pin + 1x 8-pin

None

Boost clock speed

880 MHz

1071 MHz

Core clock speed

-

1019 MHz

Floating-point performance

2,703.4 gflops

1,371 gflops

Manufacturing process technology

40 nm

14 nm

Number of transistors

2,640 million

3,000 million

Pipelines / CUDA cores

1536

640

Power consumption (TDP)

550 Watt

60 Watt

Texture fill rate

84.48

42.84

Memory type

DDR5

GDDR5

Maximum RAM amount

2 GB

2 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

1375 MHz

6000 MHz

Memory bandwidth

-

96 GB/s

Display Connectors

2x DVI, 1x HDMI, 2x mini-DisplayPort

1x DVI, 1x HDMI, 1x DisplayPort

Eyefinity

1

-

HDMI

+

+

DisplayPort support

-

-

DirectX

DirectX® 11

12 (12_0)

Mantle

-

-

OpenCL

1.2

2.0

OpenGL

4.4

4.6

Shader Model

5.0

6.4

Vulkan

-

1.2.131

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-