Quadro P620 and R420 - video card comparison

Quadro P620

R420

Architecture

Pascal (2016−2021)

R400 (2004−2008)

GPU code name

GP107

R420

Market segment

Workstation

Desktop

Release date

May 2019

-

Interface

PCIe 3.0 x16

-

Supplementary power connectors

None

-

Boost clock speed

1442 MHz

-

Core clock speed

1177 MHz

-

Floating-point performance

1,490 gflops

-

Manufacturing process technology

14 nm

130 nm

Number of transistors

3,300 million

160 million

Pipelines / CUDA cores

512

-

Power consumption (TDP)

25 Watt

-

Texture fill rate

43.33

-

Memory type

GDDR5

-

Maximum RAM amount

2 GB

-

Memory bus width

128 Bit

-

Memory clock speed

6000 MHz

-

Memory bandwidth

80.13 GB/s

-

Shared memory

-

-

Display Connectors

4x mini-DisplayPort

-

DirectX

12 (12_1)

9.0b (9_2)

CUDA

6.1

-

OpenCL

1.2

N/A

OpenGL

4.6

2.1

Shader Model

6.4

-

Vulkan

1.2.131

N/A