GEFORCE

NVIDIA GeForce GT 640

Accelerate your desktop’s performance by up to 5x with cutting-edge NVIDIA® GeForce® GT 640 dedicated graphics.1

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Overview

Accelerate your desktop's performance by up to 5x with cutting-edge GeForce GT 640 dedicated graphics1. Edit your photos and videos and play the latest DirectX 11 titles with NVIDIA® PhysX® technology for the most realistic gaming experience. 3D your PC with NVIDIA® 3D Vision™ technology and support for over 650 immersive, 3D games.

Accelerate your desktop's performance by up to 5x with cutting-edge NVIDIA GeForce GT 640 dedicated graphics

Accelerate your desktop's performance by up to 5x with cutting-edge NVIDIA GeForce GT 640 dedicated graphics1

Designed from the ground up for DirectX 11 PC gaming with NVIDIA PhysX support. Play popular PC games like Diablo 3 the way they're meant to be played with amazing special effects and incredible detail. NVIDIA GeForce Drivers deliver continuous performance optimizations for the life of your GeForce GPU.

Diablo and Blizzard Entertainment are trademarks or registered trademarks of Blizzard Entertainment, Inc., in the US and/or other countries.

Discover the ultimate multimedia desktop with GeForce dedicated graphics

Discover the ultimate multimedia desktop with GeForce dedicated graphics

Accelerate Microsoft Windows and push the limits of your Web experience with new generation of GPU-accelerated browsers like Internet Explorer 9. Perfect and share your photos in half the time1 with popular apps like Beauty Box for Adobe Photoshop and Nik Silver EFX Pro 2, and create your HD video masterpiece faster with GPU-accelerated software like vReveal. Experience the latest 3D Blu-Ray movies at home in full 1080p.

1 - Compared to Intel HD 2500 Integrated Graphics.

Features

Microsoft DirectX 11 Support

DirectX 11 GPU with Shader Model 5.0 support designed for ultra high performance in the new API's key graphics feature, GPU-accelerated tessellation.

NVIDIA PhysX Technology

Full support for NVIDIA® PhysX® technology, enabling a totally new class of physical gaming interaction for a more dynamic and realistic experience with GeForce.

NVIDIA CUDA Technology1

NVIDIA® CUDA™ technology unlocks the power of the GPU's processor cores to accelerate the most demanding system tasks – such as photo editing – delivering incredible performance improvements over traditional CPUs.

Hardware Video Editing Acceleration2

The combination of high-definition video decode and encode acceleration along with post-processing deliver super fast transcoding/image editing, stutter-free video, stunning picture clarity, accurate color, and precise image scaling for movies and video all with incredible energy and speed.

NVIDIA 3D Vision Ready3

NVIDIA® GeForce® GPUs brings a fully immersive stereoscopic 3D experience to desktops. A combination of high-tech wireless glasses and advanced software, NVIDIA® 3D Vision™ transforms hundreds of PC games into full stereoscopic 3D. In addition, you can watch Blu Ray 3D, streaming 3D online, and 3D digital photographs in eye popping, crystal-clear quality.

TrueHD and DTS-HD Audio Bitstreaming Support

Full support for TrueHD and DTS-HD advanced lossless multi-channel HD audio codecs brings the rich sound of the master recording to your living room.

HDMI and 3D Blu-Ray support

Connect your GeForce-powered desktop to any 3D enabled TV or PC Monitor via HDMI and stream the latest 3D Blu-Ray titles at stunning 1080p resolutions.

PCI Express 3.0 Support4 (GeForce GT 640 DDR3 128-bit)

Designed for the PCI Express 3.0 bus architecture offering the highest data transfer speeds for the most bandwidth-hungry games and 3d applications, while maintaining backwards compatibility with existing PCI Express motherboards for the broadest support.

PCI Express 2.0 Support (GeForce GT 640 DDR3 192-bit)

Designed for the PCI Express 2.0 bus architecture offering the highest data transfer speeds for the most bandwidth-hungry games and 3d applications, while maintaining backwards compatibility with existing PCI Express motherboards for the broadest support.

Display Port and Dual-link DVI Support

Able to drive industry's largest and highest resolution flat-panel displays up to 2560x1600 and with support for High-bandwidth Digital Content Protection (HDCP).

NVIDIA Surround Technology

Simultaneously drive 4 independent displays at any given time to expand your viewing perspective and increase productivity.

1 - Requires application support for CUDA technology.
2 - Supported video software is required to experience certain features.
3 - NVIDIA 3D Vision requires NVIDIA 3D Vision glasses and a 3D Vision-Ready display. See www.nvidia.in/3dvision for more information
4 - PCI Express 3.0 supported on GT 640 DDR3 128-bit and GT 640 128-bit DDR5 GPUs. GT 640 DDR3 192-bit supports PCI Express 2.0.

Specifications

NVIDIA GeForce GT 640 DDR3 128-bit

GPU Engine Specs

CUDA Cores

384

Processor Clock

797

Graphics Clock ( Mhz )

797

Texture Fill Rate

25.5

Memory Specs

Memory Speed ( Mhz )

891

Memory Amount

1GB / 2GB

Memory Interface

128-bit DDR3

Max Bandwidth

28.5

Card Features

Purevideo

3D Vision

PhysX

Programming Environment

CUDA

DirectX

11

OpenGL

4.2

Bus Type

PCI-E 3.0

3D Gaming

Blu Ray 3D

Specifications

Maximum Digital Resolution

3840x2160

Max VGA Resolution

2048x1536

Media Connection

  • VGA
  • DVI-D
  • HDMI

HDCP

HDMI

HDMI Audio

Internal

Dimensions

Height

2.731 Inches

Length

5.7 Inches

Width

Single Slot

Power and Temperature

Maximum Temperature

102C

Power Consumption

50W
 

NVIDIA GeForce GT 640 DDR3 192-bit

GPU Engine Specs

CUDA Cores

144

Processor Clock

720

Graphics Clock ( Mhz )

1440

Texture Fill Rate

17

Memory Specs

Memory Speed ( Mhz )

891

Memory Amount

1.5 GB / 3 GB

Memory Interface

192-bit DDR3

Max Bandwidth

43

Card Features

Purevideo

3D Vision

PhysX

Programming Environment

CUDA

DirectX

11

OpenGL

4.2

Bus Type

PCI-E 2.0

3D Gaming

Blu Ray 3D

Specifications

Maximum Digital Resolution

3840x2160

Max VGA Resolution

2048x1536

Media Connection

  • DVI-I
  • VGA
  • HDMI

HDCP

HDMI

HDMI Audio

Internal

Dimensions

Height

4.38 Inches

Length

5.7 Inches

Width

Single Slot

Power and Temperature

Maximum Temperature

102C

Power Consumption

75W
 

NVIDIA GeForce GT 640 DDR5

GPU Engine Specs

CUDA Cores

384

Processor Clock

950

Graphics Clock ( Mhz )

950

Texture Fill Rate

30.4

Memory Specs

Memory Speed ( Mhz )

2500

Memory Amount

1GB / 2GB

Memory Interface

128-bit GDDR5

Max Bandwidth

80

Card Features

Purevideo

3D Vision

PhysX

Programming Environment

CUDA

DirectX

11

OpenGL

4.2

Bus Type

PCI-E 3.0

3D Gaming

Blu Ray 3D

Specifications

Maximum Digital Resolution

3840x2160

Max VGA Resolution

2048x1536

Media Connection

  • VGA
  • DisplayPort
  • HDMI

HDCP

HDMI

HDMI Audio

Internal

Dimensions

Height

4.38 Inches

Length

5.7 Inches

Width

Single Slot

Power and Temperature

Maximum Temperature

102C

Power Consumption

75W
 

Where To Buy

Support

Hardware Support

Technical Support, RMA requests, replacements, and warranty issues for your NVIDIA designed and built graphics cards will be handled by NVIDIA.
Please click here to be directed to the GeForce Graphics Cards by NVIDIA customer support page. If you purchased your GeForce graphics card from one of our board partners, click here.

Downloads

Drivers

Drivers

Download the latest release or beta drivers for your product

 

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