Quadro K620 and RTX A1000 Mobile - video card comparison

Quadro K620

RTX A1000 Mobile

Architecture

Maxwell (2014−2018)

Ampere (2020−2022)

GPU code name

GM107

GA107

Market segment

Workstation

Laptop

Release date

July 2014

March 2022

Interface

PCIe 2.0 x16

PCIe 4.0 x8

Supplementary power connectors

None

-

Boost clock speed

1124 MHz

1140 MHz

Core clock speed

1058 MHz

-

Floating-point performance

863.2 gflops

-

Manufacturing process technology

28 nm

8 nm

Number of transistors

1,870 million

-

Pipelines / CUDA cores

384

2048

Power consumption (TDP)

41 Watt

95 Watt (35 - 95 Watt TGP)

Texture fill rate

26.98

72.96

Memory type

128 Bit

GDDR6

Maximum RAM amount

2 GB

4 GB

Memory bus width

128 Bit

128 Bit

Memory clock speed

1800 MHz

14000 MHz

Memory bandwidth

Up to 29 GB/s

176.0 GB/s

Shared memory

-

-

Display Connectors

DVI-I DP

Portable Device Dependent

Number of simultaneous displays

4

-

DirectX

12

12 Ultimate (12_2)

CUDA

5.0

8.6

OpenCL

1.2

3.0

OpenGL

4.5

4.6

Shader Model

5

6.7

Vulkan

+

1.3

3D Vision Pro

+

-

Mosaic

+

-

nView Desktop Management

+

-