GeForce MX450 and GeForce GTX 780M Mac Edition - video card comparison

GeForce MX450

GeForce GTX 780M Mac Edition

Architecture

Turing (2018−2021)

Kepler (2012−2018)

GPU code name

N17S-G5 / GP107-670-A1

GK104

Market segment

Laptop

Desktop

Release date

August 2020

November 2013

Interface

PCIe 4.0 x4

MXM-B (3.0)

Supplementary power connectors

None

Boost clock speed

1575 MHz

797 MHz

Core clock speed

1395 MHz

771 MHz

Floating-point performance

2,448 gflops

Manufacturing process technology

12 nm

28 nm

Number of transistors

4,700 million

3,540 million

Pipelines / CUDA cores

896

1536

Power consumption (TDP)

25 Watt (12 - 29 Watt TGP)

122 Watt

Texture fill rate

100.8

102.0

Memory type

GDDR5, GDDR6

GDDR5

Maximum RAM amount

2 GB

4 GB

Memory bus width

64 Bit

256 Bit

Memory clock speed

10000 MHz

5000 MHz

Memory bandwidth

64.03 GB/s

160.0 GB/s

Shared memory

Display Connectors

No outputs

DirectX

12 (12_1)

12 (11_0)

CUDA

7.5

3.0

OpenCL

1.2

OpenGL

4.6

Shader Model

6.5

5.1

Vulkan

1.2

1.1.126

Optimus