GeForce GT 640 Rev. 2 and Quadro RTX 8000 - video card comparison

GeForce GT 640 Rev. 2

Quadro RTX 8000

Architecture

Kepler 2.0 (2013−2015)

Turing (2018−2021)

GPU code name

GK208

TU102

Market segment

Desktop

Workstation

Release date

May 2013

August 2018

Interface

PCIe 2.0 x8

PCIe 3.0 x16

Supplementary power connectors

None

1x 6-pin + 1x 8-pin

Boost clock speed

1770 MHz

Core clock speed

1046 MHz

1395 MHz

Floating-point performance

803.3 gflops

Manufacturing process technology

28 nm

12 nm

Number of transistors

915 million

18,600 million

Pipelines / CUDA cores

384

4608

Power consumption (TDP)

49 Watt

260 Watt

Texture fill rate

33.47

509.8

Memory type

GDDR5

GDDR6

Maximum RAM amount

1 GB

48 GB

Memory bus width

64 Bit

384 Bit

Memory clock speed

5008 MHz

14000 MHz

Memory bandwidth

40.06 GB/s

672.0 GB/s

Display Connectors

1x DVI, 1x HDMI, 1x VGA

4x DisplayPort, 1x USB Type-C

HDMI

DirectX

12 (11_0)

12 Ultimate (12_1)

CUDA

3.5

7.5

OpenCL

1.2

2.0

OpenGL

4.6

Shader Model

5.1

6.5

Vulkan

1.1.126

1.2.131