Comparison of CrossFire and Scalable Link Interface
- Comparison of CrossFire and Scalable Link Interface
This page describes a comparison between the two competing standards for dual graphics card interfaces: ATI's CrossFire, and nVidia's SLI
Nvidia SLI and ATI Crossfire
:"Moved from Motherboard"Nvidia SLI and ATI Crossfire technology allows 2 or more of the same series graphics cards to be linked together to allow a faster graphics experience. Almost all medium to high end Nvidia cards and most high end ATI cards support the technology.
They both require compatible motherboards. There is an obvious need for 2x PCI-E 16x slots to allow 2 cards to be inserted into the computer. ATI opened the technology up to Intel in 2006 and such all new Intel chipsets support Crossfire.
SLI is a little more proprietary in its needs. It requires a motherboard with Nvidia's own NForce chipset series to allow it to run.
Although this might seem like a great idea, it is important to note that SLI and Crossfire only offer up to 1.5x the performance of a single card when using a dual setup. They also do not double the effective amount of Vram.
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