GeForce 840A and M1 - video card comparison

GeForce 840A

M1

Architecture

Maxwell (2014−2018)

Rage 4 (1998−1999)

GPU code name

GM108

M1

Market segment

Desktop

Desktop

Release date

March 2014

-

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

250 nm

Number of transistors

-

8 million

Pipelines / CUDA cores

384

-

Power consumption (TDP)

33 Watt

-

Texture fill rate

17.98

-

Memory type

DDR3

-

Maximum RAM amount

2 GB

-

Memory bus width

64 Bit

-

Memory clock speed

2002 MHz

-

Memory bandwidth

16.02 GB/s

-

Display Connectors

No outputs

-

DirectX

12 (11_0)

6.0

CUDA

5.0

-

OpenCL

1.2

N/A

OpenGL

4.6

1.2

Shader Model

5.1

-

Vulkan

1.1.126

N/A