GeForce GT 620M and GeForce RTX 4090 Max-Q - video card comparison

GeForce GT 620M

GeForce RTX 4090 Max-Q

Architecture

Fermi (2010−2014)

Ada Lovelace

GPU code name

N13P-GLP / N13M-GS

AD103

Market segment

Laptop

Desktop

Release date

March 2012

January 2023

Bus support

PCI Express 2.0

Interface

PCIe 2.0 x16

PCIe 4.0 x16

Supplementary power connectors

None

Boost clock speed

715 MHz

1455 MHz

Core clock speed

Up to 625 MHz

CUDA cores

Floating-point performance

253.4 gflops

Manufacturing process technology

40 nm

4 nm

Number of transistors

585 million

45,900 million

Pipelines / CUDA cores

9728

Power consumption (TDP)

15 Watt

80 Watt

Texture fill rate

Up to 10.0 billion/sec

442.3

Memory type

DDR3

GDDR6

Maximum RAM amount

1 GB

16 GB

Memory bus width

Up to 128bit

256 Bit

Memory clock speed

1800 MHz

14 GB/s

Memory bandwidth

Up to 28.8 GB/s

448.0 GB/s

Shared memory

Display Connectors

No outputs

Portable Device Dependent

HDMI

HDCP

Maximum VGA resolution

Up to 2048x1536

DirectX

12 API

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

3D Blu-Ray

Optimus