GeForce GT 640 Rev. 2 - video card specification

GeForce GT 640 Rev. 2

Architecture

Kepler 2.0 (2013−2015)

GPU code name

GK208

Market segment

Desktop

Release date

May 2013

Bus support

-

Interface

PCIe 2.0 x8

Supplementary power connectors

None

Bridgeless CrossFire

-

Boost clock speed

-

Compute units

-

Core clock speed

1046 MHz

Floating-point performance

803.3 gflops

Manufacturing process technology

28 nm

Number of transistors

915 million

Pipelines / CUDA cores

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

High bandwidth memory (HBM)

-

Display Connectors

1x DVI, 1x HDMI, 1x VGA

Eyefinity

-

Number of Eyefinity displays

-

HDMI

+

DisplayPort support

-

DirectX

12 (11_0)

CUDA

3.5

Mantle

-

OpenCL

1.2

OpenGL

4.6

Shader Model

5.1

Vulkan

1.1.126

AppAcceleration

-

CrossFire

-

DDMA audio

-

Enduro

-

FreeSync

-

FRTC

-

HD3D

-

LiquidVR

-

PowerTune

-

TressFX

-

TrueAudio

-

UVD

-

VCE

-

ZeroCore

-