GeForce GT 645 OEM and GeForce RTX 2060 - video card comparison

GeForce GT 645 OEM

GeForce RTX 2060

Architecture

Fermi 2.0 (2010−2014)

Turing (2018−2021)

GPU code name

GF114

Turing TU106

Market segment

Desktop

Release date

April 2012

January 2019

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Supplementary power connectors

1x 8-pin

Boost clock speed

1620 MHz

Core clock speed

776 MHz

1320 MHz

Floating-point performance

894.0 gflops

Manufacturing process technology

40 nm

12 nm

Number of transistors

1,950 million

10,800 million

Pipelines / CUDA cores

288

1920

Power consumption (TDP)

102 Watt

175 Watt

Texture fill rate

37.25

201.6

Memory type

GDDR5

GDDR6

Maximum RAM amount

1 GB

6 GB

Memory bus width

192 Bit

Memory clock speed

3828 MHz

14000 MHz

Memory bandwidth

91.87 GB/s

336.0 GB/s

Shared memory

Display Connectors

2x DVI, 1x mini-HDMI

1x DVI, 1x HDMI, 2x DisplayPort, 1x USB Type-C

HDMI

G-SYNC support

DirectX

12 (11_0)

CUDA

2.1

7.5

OpenCL

1.1

1.2

OpenGL

4.6

Shader Model

5.1

6.5

Vulkan

N/A

1.2.131

VR Ready