Compare Gigabyte GV-3D1 GeForce 6600GT, (256 MB) PCI Express Video Card to Gigabyte GeForce 8400 GS, (512 MB) PCI Express Video Card

The GIGABYTEs GV-3D1 is the worlds first dual GPU graphics card to feature two high performance NVIDIA GeForce 6600 GT graphics processors on a single PCI Express board. The 3D1 is also the worlds first NVIDIA GeForce 6600 GT graphics card with 256MB DDRIII memory supporting 256-bit memory bandwidth, further helping to achieve unprecedented visual gaming performance and distinguishing it above competing products. Less

Enjoy powerful graphics performance, improved stability, and an immersive HD gaming experience for Windows Vista. ATI Catalyst software is designed for quick setup of graphics, video, and multiple displays, and automatically configures optimal system settings for lifelike DirectX 10 gaming and the visually stunning Windows Aero user interface. By allowing the graphics processing unit (GPU) to share the capacity and bandwidth of dedicated video memory and dynamically available system memory, TurboCache turbocharges performance and provides larger total graphics memory. Ensure topnotch compatibility and performance for all OpenGL 2.1 application. Worlds first DirectX 10 GPU with full Shader Model 4.0 support delivers unparalleled levels of graphics realism and filmquality effects. Shader Model 4.0 adds support for indexed temporaries which can be quite useful for certain tasks.Regular direct temporary access is preferable is most cases. One reason is that indexed temporaries are hard to optimize. Less