GeForce GTX 970 and HD Graphics 405 - video card comparison

GeForce GTX 970

HD Graphics 405

Architecture

Maxwell (2014−2018)

Gen. 8 (2015−2016)

GPU code name

GM204

Braswell

Market segment

Desktop

Laptop

Release date

September 2014

April 2016

Bus support

PCI Express 3.0

-

Interface

PCIe 3.0 x16

PCIe 3.0 x1

Recommended system power (PSU)

500 Watt

-

Supplementary power connectors

2x 6-pins

-

SLI options

+

-

Boost clock speed

1178 MHz

700 MHz

Core clock speed

1050 MHz

320 MHz

CUDA cores

1664

-

Floating-point performance

3,920 gflops

213.1 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

5,200 million

189 million

Pipelines / CUDA cores

1664

16

Power consumption (TDP)

145 Watt

6 Watt

Maximum GPU temperature

98 °C

-

Texture fill rate

109 billion/sec

11.20

Memory type

GDDR5

System Shared

Maximum RAM amount

4 GB

System Shared

Memory bus width

256 Bit

64/128 Bit

Memory clock speed

7.0 GB/s

System Shared

Memory bandwidth

224 GB/s

-

Shared memory

-

+

Display Connectors

Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2

No outputs

Multi monitor support

4 displays

-

HDMI

+

-

HDCP

+

-

Maximum VGA resolution

2048x1536

-

G-SYNC support

+

-

Audio input for HDMI

Internal

-

DirectX

12 (12_1)

12 (11_1)

CUDA

+

-

OpenCL

1.2

2.0

OpenGL

4.4

4.3

Shader Model

6.4

5.1

Vulkan

1.1.126

1.1.80

GameStream

+

-

GameWorks

+

-

GeForce ShadowPlay

+

-

GPU Boost

2.0

-