GeForce 820M and GeForce RTX 4090 Ti - video card comparison

GeForce 820M

GeForce RTX 4090 Ti

Architecture

Fermi (2010−2014)

Ada Lovelace

GPU code name

N15V-GM

AD102

Market segment

Laptop

Desktop

Release date

January 2014

2023

Bus support

PCI Express 2.0

-

Interface

PCIe 2.0 x16

PCIe 4.0 x16

Supplementary power connectors

-

2x 16-pin

Boost clock speed

-

2565 MHz

Core clock speed

775 MHz

-

Floating-point performance

240.0 gflops

-

Manufacturing process technology

28 nm

5 nm

Number of transistors

585 million

76,300 million

Pipelines / CUDA cores

96

18176

Power consumption (TDP)

15 Watt

600 Watt

Texture fill rate

10.00

1,457

Memory type

DDR3

GDDR6X

Maximum RAM amount

2 GB

24 GB

Memory bus width

64 Bit

384 Bit

Memory clock speed

1800 MHz

24 GB/s

Memory bandwidth

14.4 GB/s

1,152 GB/s

Shared memory

-

-

Display Connectors

No outputs

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

-

+

DirectX

12 (11_0)

12 Ultimate (12_2)

CUDA

+

8.9

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

+

-