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Microsoft has managed to virtualise the entire Xbox 360 hardware architecture, allowing for backwards compatibility on Xbox One! It was one of the biggest announcements at E3, and preview dashboard testers can try it now.
First impressions? Well, they’re mixed. That it works at all is a miracle, but game performance isn’t quite what it should be. Here, we see that gameplay frame-rates for Mass Effect are much lower than the same code running on Xbox 360. However, curiously, cut-scene performance is actually higher in places. In all cases, the Xbox One VM removes screen-tear, enforcing v-sync all the time on every game we tested.
It’s a good first start, but more work is needed.
Read our full article: http://www.eurogamer.net/articles/digitalfoundry-2015-vs-backwards-compatibility-on-xbox-one