Global PS4 console unit sales 2021 | Statista
Sony PS4 Is Well Ahead Of Microsoft Xbox One In Worldwide Sales Since Launch - MSPoweruser
Chart: Sony Holds Edge Over Microsoft in Battle for the Living Room | Statista
Xbox One vs PS4: Which One Should You Buy?
PS5 vs PS4 Sales Comparison - November 2021
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Sony Announces PS5 Sales Numbers, Says Putting MLB On Xbox Was A Good Move - GameSpot
CES 2020: Sony announces updated PlayStation statistics – PS4 sales reach 106 million | KitGuru
Sony expects PlayStation 5 to smash PS4 sales in next 5 years
Global PS4 console unit sales 2021 | Statista
U.S. PlayStation unit sales by console 2022 | Statista
PS4 vs Xbox One vs Switch: Console and Game Sales Numbers - 2019 | Hooked On Tech
In response to PS4 sales numbers, Microsoft releases a bunch of useless stats about the Xbox One – GeekWire
Xbox One and PS4 sales numbers don't matter right now (but you don't care) - GameSpot
Xbox One and PS4 sales numbers don't matter right now (but you don't care) - GameSpot
What Sony's '4.2 Million PS4s Sold' Figure Actually Means - IGN
Switch vs PS4 vs Xbox One Global Lifetime Sales - January 2021
Here's one way the PS4 won't ever beat PS2, and one way it already is
Online auctions show more early demand for PS4 over Xbox One | Ars Technica
Switch vs PS4 Sales Comparison - October 2021
PS5 sales figures: PS5 hits 17.3 million shipments, PS4 at 117.1m
Switch vs PS4 vs Xbox One Global Lifetime Sales – January 2020
