How Microsoft Created Its New Xbox FPS Boost Feature


Backwards compatibility has been a big draw for Xbox, and with the addition of new features on the Xbox Series X/S consoles, those legacy titles are about to look and run better than ever before. This week saw the reveal of Xbox FPS Boost, a new upgrade for specific games that almost doubles their frame rates and will be introduced soon to Sniper Elite 4, Far Cry 4, Watch Dogs 2, UFC 4, and New Super Lucky’s Tale.

So how did Microsoft engineer this feature for its library of backwards compatible games? By examining how these games were originally written and how their internal clocks were managed.

“When we developed the technique, the first thing we did was look across the catalog and said ‘What games do we believe that we can actually make this technique work for?’,” Xbox program management director Jason Ronald explained on the Colt Eastwood YouTube channel. “We identified a large set of games, and then we started testing the games to make sure the games actually play as good as they should. In some cases, there were some games that we had on the list that we discovered would play great but occasionally we’d see animations run twice as fast, or maybe the engine was running so fast that it would break gameplay.”

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