Graphics chip makers Nvidia and Advanced Micro Devices are big rivals in the business of making video games look their best.

At the 2014 International CES, that rivalry was obvious at each company’s booth. We had representatives from both companies fill us in on the giant game screens they created to show off some cool games.

Nvidia’s Sean Cleveland, (pictured above), showed us a cool three-screen setup for a racing game called Project Cars at Nvidia’s booth, while Jason Megit talked about putting Thief on five screens using AMD’s Eyefinity technology.

Check out the videos below.

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