Quadro P620 and RTX A400 - video card comparison

Quadro P620

RTX A400

Architecture

Pascal (2016−2021)

Ampere (2020−2022)

GPU code name

GP107

GA107

Market segment

Workstation

Desktop

Release date

May 2019

April 2024

Interface

PCIe 3.0 x16

PCIe 4.0 x8

Supplementary power connectors

None

None

Boost clock speed

1442 MHz

1762 MHz

Core clock speed

1177 MHz

-

Floating-point performance

1,490 gflops

-

Manufacturing process technology

14 nm

8 nm

Number of transistors

3,300 million

8,700 million

Pipelines / CUDA cores

512

768

Power consumption (TDP)

25 Watt

50 Watt

Texture fill rate

43.33

42.29

Memory type

GDDR5

GDDR6

Maximum RAM amount

2 GB

4 GB

Memory bus width

128 Bit

64 Bit

Memory clock speed

6000 MHz

12 GB/s

Memory bandwidth

80.13 GB/s

96 GB/s

Shared memory

-

-

Display Connectors

4x mini-DisplayPort

4x mini-DisplayPort 1.4a

DirectX

12 (12_1)

12 Ultimate (12_2)

CUDA

6.1

8.6

OpenCL

1.2

3.0

OpenGL

4.6

4.6

Shader Model

6.4

6.7

Vulkan

1.2.131

1.3