GeForce GT 640 OEM Rebrand and GP102 - video card comparison

GeForce GT 640 OEM Rebrand

GP102

Architecture

Fermi 2.0 (2010−2014)

Pascal (2016−2021)

GPU code name

GF116

GP102

Market segment

Desktop

Release date

April 2012

Interface

PCIe 2.0 x16

Supplementary power connectors

None

Core clock speed

720 MHz

Floating-point performance

414.7 gflops

Manufacturing process technology

40 nm

16 nm

Number of transistors

1,170 million

11,800 million

Pipelines / CUDA cores

144

3840

Power consumption (TDP)

75 Watt

Texture fill rate

17.28

Memory type

DDR3

Maximum RAM amount

1536 MB

Memory bus width

192 Bit

Memory clock speed

1600 MHz

Memory bandwidth

38.4 GB/s

Display Connectors

2x DVI, 1x mini-HDMI

HDMI

DirectX

12 (11_0)

12 (12_1)

CUDA

2.1

6.1

OpenCL

1.1

3.0

OpenGL

4.6

Shader Model

5.1

6.7

Vulkan

N/A

1.3

NVENC

6th Gen

PureVideo HD

VP8