Radeon HD 6870 X2 and Switch GPU - video card comparison

Radeon HD 6870 X2

Switch GPU

Architecture

TeraScale 2 (2009−2015)

Maxwell 2.0 (2015−2019)

GPU code name

Barts

GM20B

Market segment

Desktop

Desktop

Release date

July 2011

March 2017

Interface

PCIe 2.0 x16

IGP

Supplementary power connectors

-

None

Boost clock speed

-

768 MHz

Core clock speed

900 MHz

-

Floating-point performance

2x 2,016.0 gflops

-

Manufacturing process technology

40 nm

20 nm

Number of transistors

1,700 million

2,000 million

Pipelines / CUDA cores

1120

256

Power consumption (TDP)

300 Watt

15 Watt

Texture fill rate

50.40

12.29

Memory type

GDDR5

DDR4

Maximum RAM amount

1 GB

4 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

4200 MHz

3200 MHz

Memory bandwidth

134.4 GB/s

25.6 GB/s

Display Connectors

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

No outputs

HDMI

+

-

DirectX

11.2 (11_0)

12 (12_1)

CUDA

-

5.3

OpenCL

1.2

1.2

OpenGL

4.4

4.6

Shader Model

5.0

6.4

Vulkan

N/A

1.1.126