Juniper and GeForce GT 640 Rev. 2 - video card comparison

Juniper

GeForce GT 640 Rev. 2

Architecture

TeraScale 2 (2009−2015)

Kepler 2.0 (2013−2015)

GPU code name

Juniper

GK208

Market segment

Desktop

Release date

May 2013

Interface

PCIe 2.0 x8

Supplementary power connectors

None

Core clock speed

1046 MHz

Floating-point performance

803.3 gflops

Manufacturing process technology

40 nm

28 nm

Number of transistors

1,040 million

915 million

Pipelines / CUDA cores

800

384

Power consumption (TDP)

49 Watt

Texture fill rate

33.47

Memory type

GDDR5

Maximum RAM amount

1 GB

Memory bus width

64 Bit

Memory clock speed

5008 MHz

Memory bandwidth

40.06 GB/s

Display Connectors

1x DVI, 1x HDMI, 1x VGA

HDMI

DirectX

11.2 (11_0)

12 (11_0)

CUDA

3.5

OpenCL

1.2

OpenGL

4.4

4.6

Shader Model

5.0

5.1

Vulkan

N/A

1.1.126