Quadro 4000 and GeForce GT 640 OEM - video card comparison

Quadro 4000

GeForce GT 640 OEM

Architecture

Fermi (2010−2014)

Kepler (2012−2018)

GPU code name

GF100

GK107

Market segment

Workstation

Desktop

Release date

November 2010

April 2012

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Supplementary power connectors

1x 6-pin

None

Core clock speed

475 MHz

797 MHz

Floating-point performance

486.4 gflops

612.1 gflops

Manufacturing process technology

40 nm

28 nm

Number of transistors

3,100 million

1,270 million

Pipelines / CUDA cores

256

384

Power consumption (TDP)

142 Watt

50 Watt

Texture fill rate

15.20

25.50

Memory type

GDDR5

DDR3

Maximum RAM amount

2 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

2808 MHz

1782 MHz

Memory bandwidth

89.86 GB/s

28.51 GB/s

Display Connectors

1x DVI, 2x DisplayPort

1x DVI, 1x HDMI, 1x DisplayPort

HDMI

DirectX

12 (11_0)

CUDA

2.0

3.0

OpenCL

1.1

1.2

OpenGL

4.6

Shader Model

5.1

Vulkan

N/A

1.1.126