Radeon HD 6950 and Radeon RX 470D - video card comparison

Radeon HD 6950

Radeon RX 470D

Architecture

TeraScale 3 (2010−2013)

GCN 4.0 (2016−2020)

GPU code name

Cayman

Ellesmere

Market segment

Desktop

Desktop

Release date

December 2010

October 2016

Bus support

PCIe 2.0 x16

-

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Supplementary power connectors

2x 6-pin

1x 6-pin

Boost clock speed

800 MHz

1206 MHz

Core clock speed

-

926 MHz

Floating-point performance

2,252.8 gflops

4,322 gflops

Manufacturing process technology

40 nm

14 nm

Number of transistors

2,640 million

5,700 million

Pipelines / CUDA cores

1408

1792

Power consumption (TDP)

500 Watt

120 Watt

Texture fill rate

70.40

135.1

Memory type

GDDR5

GDDR5

Maximum RAM amount

2 GB

4 GB

Memory bus width

256 Bit

256 Bit

Memory clock speed

1250 MHz

6600 MHz

Memory bandwidth

-

211.2 GB/s

Display Connectors

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

1x HDMI, 3x 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

-

-