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AMD Eyefinity

As opposed to Nvidia’s GeForce GTX 690 and 680, AMD’s single-processor flagship Radeon HD 7970 GHz Edition has only one dual-link DVI-I connector. But it also has one HDMI 1.4a and two DisplayPort 1.2 interfaces.

The card isn’t limited to four monitors, though. Using its two mini-DisplayPorts and a special MST hub, which is already available in shops, you can enable multi-stream technology to support up to six monitors on a single card.

We wouldn’t have had enough room for as many as six monitors, so we limited ourselves to three. We connected them to the HD 7970’s DVI-I connector and mini-DisplayPorts using adapters included with Sapphire cards (thanks Sapphire for that!). Interestingly, our multi-monitor setup didn't even call for any configuring. The native resolution of the monitors (1920x1080) was identified automatically and we were asked whether to combine them in multi-display mode and what orientation to use (portrait or landscape). The Catalyst driver offers all the related settings if you ever need them, though.



We can’t say that the setup options are easier to use or simpler than in the GeForce driver. They are in fact the same but structured differently. The only exception concerns CrossFireX mode. You connect monitors to the different graphics cards in a SLI tandem whereas with a CrossFireX tandem you connect all three monitors to one card and then just add a second card and join the cards with a bridge connector.

You can learn more about AMD Eyefinity technology on the official website.

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