The Xbox Series X can use a Smart Delivery feature to give you a version of software that matches your current hardware power, but even older games that haven't been enhanced for new hardware will get a visual upgrade. According to a detailed breakdown from Digital Foundry, the Series X will use a machine-learning algorithm to upgrade older games with high-dynamic range (HDR) color.
The report says both Halo 5 and Fusion Frenzy were shown running with HDR, and a heatmap showed highlights that went beyond the capabilities of standard dynamic range. The examples were a technical demo, but principal software engineer Claude Marais said it could "be applied to all games theoretically." That said, he said the team is still working through things like user experiences.
"This was a show-stopping moment," the report states. "It was indeed Fusion Frenzy - an original Xbox title - running with its usual 16x resolution multiplier via back-compat, but this time presented with highly convincing, perceptibly real HDR."
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