NVIDIA GeForce GT 640

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About this Product


GPU Engine Specs:
Graphics card version GT 640
128-bit DDR3 GT 640
192-bit DDR3 GT 640
128-bitGDDR5
CUDA Cores 384 144 384
Graphics Clock (MHz) 797 720 950
Processor Clock (MHz) 797 1440 950
Texture Fill Rate (billion/sec) 25.5 17 30.4
Memory Specs:
Memory Clock (MHz) 891 891 2500
Standard Memory Config 1 or 2GB DDR3 1.5 or 3GB DDR3 1 or 2GB GDDR5
Memory Interface Width 128-bit 192-bit 128-bit
Memory Bandwidth (GB/sec) 28.5 43 80
Feature Support:
OpenGL 4.2 4.2 4.2
Bus Support PCI Express 3.0 PCI Express 2.0 PCI Express 3.0
Certified for Windows 7 Yes Yes Yes
Supported Technologies DirectX 11, CUDA, PhysX, 3DVision DirectX 11, CUDA, PhysX, SLI, 3DVision DirectX 11, CUDA, PhysX, 3DVision
Display Support:
Maximum Digital Resolution 3840x2160 3840x2160 2560x1600
Maximum VGA Resolution 2048x1536 2048x1536 2048x1536
HDCP Yes Yes Yes
HDMI Yes Yes Yes
Standard Display Connectors VGA, HDMI, DVI-D VGA, HDMI, DVI-I VGA, HDMI, DP
Audio Input for HDMI Internal Internal Internal
Standard Graphics Card Dimensions:
Length 5.7 inches 5.7 inches 5.7 inches
Height 2.731 inches 4.38 inches 4.38 inches
Width Single slot Single slot Single slot
Thermal and Power Specs:
Maximum GPU Temperature (in C) 102 102 102
Maximum Graphics Card Power (W) 50 75 75
3D Vision Ready:
Yes3D Blu-Ray
Yes3D Gaming
Yes3D Photos

Official URL

http://www.geforce.com/hardware/desktop-gpus/geforce-gt-640-oem

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NVIDIA GeForce GT 640 Reviews

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Tom's Hardware  --- Jun 04 '12
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Tom's Hardware on

"It's no Radeon HD 6670-killer; however, GeForce GT 640 gives Nvidia something it hasn’t had in a long time: a potentially potent budget contender. And let’s not forget the card’s other attributes,..."

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