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U.S. PlayStation 4 Sales “Nearly Double” Xbox One in January | TIME.com
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PS4 vs Xbox One in the US – VGChartz Gap Charts – April 2020
PS4 vs Xbox One: which gaming console is better? | TechRadar
PS4 vs Xbox One in the US – VGChartz Gap Charts – May 2018 Update | N4G
Xbox One vs PS4 vs Switch: Console and Game Sales Numbers - 2020 | Hooked On Tech
Xbox One vs PS4 vs Switch: Console and Game Sales Numbers - 2020 | Hooked On Tech
PlayStation 4 vs Xbox One - Difference and Comparison | Diffen
PS4 vs Xbox One in the US – VGChartz Gap Charts – September 2019
NPD: PS4 Slim and Xbox One S fail to prevent US sales decline | GamesIndustry.biz
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Analyst: Global Xbox One Sales Close to 35 Million & Xbox One X Outselling PS4 Pro in the US (Launch Aligned)
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Chart: Sony Holds Edge Over Microsoft in Battle for the Living Room | Statista
PS4 vs Xbox One in the US – VGChartz Gap Charts – January 2019 Update - Sales | Alienware Arena
PS4 vs Xbox One vs Wii U USA Lifetime Sales – January 2017 Update
PS4 vs Xbox One vs Switch USA Lifetime Sales – April 2018
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Xbox One vs PS4 vs Switch: Console and Game Sales Numbers - 2020 | Hooked On Tech
