GeForce 945M and RTX A4500 Mobile - video card comparison

GeForce 945M

RTX A4500 Mobile

Architecture

Maxwell (2014−2018)

Ampere (2020−2022)

GPU code name

GM107

GA104

Market segment

Laptop

Laptop

Release date

March 2015

March 2022

Bus support

PCI Express 3.0

-

Interface

MXM-B (3.0)

PCIe 4.0 x16

Supplementary power connectors

None

-

Boost clock speed

1045 MHz

1500 MHz

Core clock speed

928 MHz

930 MHz

Floating-point performance

953.9 gflops

-

Manufacturing process technology

28 nm

8 nm

Number of transistors

1,870 million

17,400 million

Pipelines / CUDA cores

512

5888

Power consumption (TDP)

75 Watt

140 Watt (80 - 140 Watt TGP)

Texture fill rate

40.80

223.6

Memory type

DDR3

GDDR6

Maximum RAM amount

4 GB

16 GB

Memory bus width

128 Bit

256 Bit

Memory clock speed

2000 MHz

16000 MHz

Memory bandwidth

28.8 GB/s

448.0 GB/s

Shared memory

-

-

Display Connectors

No outputs

No outputs

DirectX

12 (11_0)

12 Ultimate (12_2)

CUDA

+

8.6

OpenCL

1.2

3.0

OpenGL

4.5

4.6

Shader Model

5.1

6.6

Vulkan

1.1.126

1.3

GameWorks

+

-

GPU Boost

2.0

-

Optimus

+

-