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Order Code: ASU-6402
Manf.Code: GT640-2GD3
 | Super Alloy Power
The new and exclusive Super Alloy Power technology on ASUS graphics cards uses a special alloy formula which is highly-magnetic, heat-resistant and anti-corrosive. It delivers a more stable and quieter operation compared to the reference design – a welcome bonus sought after by performance seekers. During overclocking, the Super Hybrid Engine acts as an intelligent controller to switch between high and low intensity power profiles in real time for 15% performance boost. Super Alloy Capacitor increases the card’s lifespan to 150,000 hours which is 2.5 times longer than traditional capacitors. Super Alloy components are reinforced with special alloy formula and manufactured under high temperature and pressure to deliver stable and noise-free operation. |
 | GPU Tweak
Overclocking is made real-time and intuitive with ASUS GPU Tweak utility. It not only allows you to optimize clock speeds, voltage and fan speeds on up to four graphics cards independently or simultaneously, you can also select between GPU Tweak’s Standard or Advanced modes depending on your level of experience. For gamers out there, GPU Tweak enables instantaneous in-game video recording up to 720p resolution so you can share clips with the community easily. |
 | Dust-proof Fan
Unique fan design dissipates heat efficiently while extending a graphic card’s lifespan by 25% through increased dust and particle resistance. |
 | NVIDIA GeForce Experience
Want to know the best settings to play your games? GeForce Experience will figure it out for you. GeForce Experience connects you to NVIDIA’s cloud datacenter to download optimal game settings tailored to your PC based on your CPU, GPU and monitor. Optimal settings maximize image quality while maintaining great performance so you get the best experience. A built-in interactive screenshot viewer helps you learn more about each setting and their benefits. The GeForce Experience application automatically notifies you of new driver releases from NVIDIA. With a single click, you’ll be able to update the driver directly, without leaving your desktop. |
 | NVIDIA Kepler GPU Architecture
NVIDIA's Kepler GPU architecture has been designed from the ground up not just for maximum performance in the latest DirectX 11 games, but optimal performance per watt. The new SMX streaming multiprocessor is twice as efficient as the prior generation and the new geometry engine draws triangles twice as fast. The result is world class performance and the highest image quality in an elegant and power efficient graphics card. |
 | NVIDIA Adaptive V-Sync Technology
Nothing is more distracting than framerate stuttering and screen tearing. The first tends to occur when framerates are low, the second when framerates are high. Adaptive V-Sync is a smarter way to render frames. At high framerates, V-sync is enabled to eliminate tearing, at low frame rates, it's disabled to minimize stuttering. It gets rid of distractions so you can get on with gaming. |
 | NVIDIA PhysX Technology
PhysX is designed specifically for hardware acceleration by powerful processors with hundreds of cores. Combined with the tremendous parallel processing capability of the GPU, PhysX will provide an exponential increase in physics processing power and will take gaming to a new level delivering rich, immersive physical gaming environments. |
 | NVIDIA CUDA Technology
NVIDIA CUDA technology is the world’s only C language environment that enables programmers and developers to write software to solve complex computational problems in a fraction of the time by tapping into the many-core parallel processing power of GPUs. With millions of CUDA-capable GPUs already deployed, thousands of software programmers are already using the free CUDA software tools to accelerate applications—from video and audio encoding to oil and gas exploration, product design, medical imaging, and scientific research. |
| NVIDIA Surround with up to 4 Monitors
Nothing is as breathtaking as playing your favorite games across three monitors. At 5760 x 1080, the expanded field of view fully engages human peripheral vision and provides for the most immersive experience in racing and flight simulators. Add in a fourth display to keep tabs on chat, email or web while you are gaming. |
 | NVIDIA 3D Vision
NVIDIA 3D Vision brings a fully immersive, stereoscopic 3D experience to the PC. A combination of high-tech wireless glasses and advanced software, 3D Vision transforms hundreds of PC games into full stereoscopic 3D. Get up to 2x monitor and keyboard brightness with NVIDIA 3D LightBoost technology. In addition, you can enjoy 3D movies and 3D digital photographs from 3DVisionLive.com in eye popping, crystal-clear quality. |
 | NVIDIA PureVideo HD Technology
Blu-ray and HD DVD movies are bringing a new level of movie-viewing experience; with high-definition image quality far surpassing standard-definition DVDs. NVIDIA PureVideo HD2 technology provides unsurpassed Blu-ray and HD DVD movie picture quality. |
General Specifications
| Bus Interface | PCI Express 3.0 x16 |
| Output Interface | 2 x DVI-D 1 x HDMI 1 x VGA |
| Compatible Slots | 1 x PCI Express x16 |
| Width | Dual Slot |
| Core Clock | 900 MHz |
| CUDA Cores | 384 |
| Memory Type | 128 bit GDDR3 |
| Memory Size | 2048 MB |
| Memory Effective Size | 1782 Mhz |
| Multi-Monitor Support | Up to 4 displays |
| Max Digital Resolution | 2560x1600 |
| Max Analogue Resolution | 2048x1536 |
| Max GPU Temp | 98C |
| Max Power Usage | 65W |
| Minimum PSU Requirement | 350W |
| Required Power Connectors | N/A |
| Technologies | DirectX 11 Support
PCIe 3.0 Support OpenGL 4.2 NVIDIA Kepler GPU Archtecture NVIDIA Adaptive V-Sync Technology NVIDIA PhysX Technology NVIDIA CUDA Technology NVIDIA 3D Vision Technology NVIDIA Surround Technology with 4 Monitor Support |
| Warranty | 2 Years |
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We love having your feedback on all of your products, we do ask that you keep your reviews strictly about the product though. If you have any feedback about the service from the company please contact ourCustomer Servicesteam. Thank you.
Reviewed by LesH
, Reading.
2013-04-17
Not a bad card replaced an aging GT9800 easy to install and up and running in a short time . Still playing around with the settings to get the best from the card not much of an improvement over the old card but this maybe due to running on a 5 year old PC & vista so not getting the best from it. Other wise very happy. As always service from Reading store friendly and helpful
