HD Graphics 400 and GK20A - video card comparison

HD Graphics 400

GK20A

Architecture

Generation 8.0 (2014−2015)

Kepler 2.0 (2013−2015)

GPU code name

Braswell GT1

GK20A

Market segment

Desktop

Desktop

Release date

April 2015

-

Interface

PCIe 3.0 x1

-

Boost clock speed

640 MHz

-

Core clock speed

320 MHz

-

Floating-point performance

134.4 gflops

-

Manufacturing process technology

14 nm

28 nm

Number of transistors

189 million

-

Pipelines / CUDA cores

96

192

Power consumption (TDP)

6 Watt

-

Texture fill rate

7.680

-

Memory type

DDR3L

-

Maximum RAM amount

8 GB

-

Memory bus width

System Shared

-

Memory clock speed

System Shared

-

Display Connectors

No outputs

-

DirectX

12 (11_1)

12 (11_0)

CUDA

-

3.2

OpenCL

2.0

N/A

OpenGL

4.3

ES 3.1

Shader Model

5.1

6.5 (5.1)

Vulkan

1.1.80

1.3

PureVideo HD

-

VP5