GeForce GT 640 - video card specification

Passmark - benchmark score GeForce GT 640

GeForce GT 640

1209

GeForce GT 640

Architecture

Kepler (2012−2018)

GPU code name

GK107

Market segment

Desktop

Release date

June 2012

Bus support

-

Interface

PCIe 3.0 x16

Supplementary power connectors

None

Bridgeless CrossFire

-

Boost clock speed

-

Compute units

-

Core clock speed

902 MHz

Floating-point performance

692.7 gflops

Manufacturing process technology

28 nm

Number of transistors

1,270 million

Pipelines / CUDA cores

384

Power consumption (TDP)

65 Watt

Texture fill rate

28.86

Memory type

DDR3

Maximum RAM amount

2 GB

Memory bus width

128 Bit

Memory clock speed

1782 MHz

Memory bandwidth

28.51 GB/s

High bandwidth memory (HBM)

-

Shared memory

-

Display Connectors

1x DVI, 1x HDMI, 1x DisplayPort

Eyefinity

-

Number of Eyefinity displays

-

HDMI

+

DisplayPort support

-

DirectX

12 (11_0)

CUDA

3.0

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

-

TrueAudio

-

VCE

-

ZeroCore

-