GeForce 945A and Cayman - video card comparison

GeForce 945A

Cayman

Architecture

Maxwell (2014−2018)

TeraScale 3 (2010−2013)

GPU code name

GM108

Cayman

Market segment

Desktop

Desktop

Release date

March 2015

-

Interface

PCIe 3.0 x8

-

Boost clock speed

1189 MHz

-

Core clock speed

1072 MHz

-

Floating-point performance

903.2 gflops

-

Manufacturing process technology

28 nm

40 nm

Number of transistors

-

2,640 million

Pipelines / CUDA cores

384

1536

Power consumption (TDP)

33 Watt

-

Texture fill rate

28.54

-

Memory type

GDDR5

-

Maximum RAM amount

1 GB

-

Memory bus width

64 Bit

-

Memory clock speed

5012 MHz

-

Memory bandwidth

40.1 GB/s

-

Display Connectors

No outputs

-

DirectX

12 (11_0)

11.2 (11_0)

CUDA

5.0

-

OpenCL

1.2

1.2

OpenGL

4.6

4.4

Shader Model

5.1

5.0

Vulkan

1.1.126

N/A