GeForce 840M and Apple M1 GPU - video card comparison

GeForce 840M

Apple M1 GPU

Architecture

Maxwell (2014−2018)

-

GPU code name

N15S-GT

-

Market segment

Laptop

Laptop

Release date

March 2014

November 2020

Bus support

PCI Express 2.0, PCI Express 3.0

-

Interface

PCIe 3.0 x8

-

Boost clock speed

1124 MHz

-

Core clock speed

1029 MHz

-

Floating-point performance

863.2 gflops

-

Manufacturing process technology

28 nm

5 nm

Pipelines / CUDA cores

384

8

Power consumption (TDP)

33 Watt

-

Texture fill rate

17.98

-

Memory type

DDR3

-

Maximum RAM amount

4 GB

-

Memory bus width

64 Bit

-

Memory clock speed

2000 MHz

-

Memory bandwidth

16.02 GB/s

-

Shared memory

-

+

Display Connectors

No outputs

-

DirectX

12 (11_0)

-

CUDA

+

-

OpenCL

1.2

-

OpenGL

4.5

-

Shader Model

5.1

-

Vulkan

1.1.126

-

GameWorks

+

-

GPU Boost

2.0

-

Optimus

+

-