GeForce 820M and RTX A1000 Mobile - video card comparison

GeForce 820M

RTX A1000 Mobile

Architecture

Fermi (2010−2014)

Ampere (2020−2022)

GPU code name

N15V-GM

GA107

Market segment

Laptop

Laptop

Release date

January 2014

March 2022

Bus support

PCI Express 2.0

-

Interface

PCIe 2.0 x16

PCIe 4.0 x8

Boost clock speed

-

1140 MHz

Core clock speed

775 MHz

-

Floating-point performance

240.0 gflops

-

Manufacturing process technology

28 nm

8 nm

Number of transistors

585 million

-

Pipelines / CUDA cores

96

2048

Power consumption (TDP)

15 Watt

95 Watt (35 - 95 Watt TGP)

Texture fill rate

10.00

72.96

Memory type

DDR3

GDDR6

Maximum RAM amount

2 GB

4 GB

Memory bus width

64 Bit

128 Bit

Memory clock speed

1800 MHz

14000 MHz

Memory bandwidth

14.4 GB/s

176.0 GB/s

Shared memory

-

-

Display Connectors

No outputs

Portable Device Dependent

DirectX

12 (11_0)

12 Ultimate (12_2)

CUDA

+

8.6

OpenCL

1.1

3.0

OpenGL

4.5

4.6

Shader Model

5.1

6.7

Vulkan

N/A

1.3

GameWorks

+

-

GPU Boost

2.0

-

Optimus

+

-