- Switch vs Xbox One Global Lifetime Sales 2019
- Sony has sold 100 million - The Verge
- PS4 Xbox One in the – VGChartz Gap Charts September 2019
- All time best-selling unit sales 2021 | Statista
- God of Sales Have 10 Million - IGN
- PS4 Sales Surpass 91.6 Million Globally; Insomniac's Spider-Man Through Than Million Copies Worldwide
- PlayStation slowing PS5 looms this year - The Verge
- PS4 annual unit 2020 | Statista
- The Nintendo Switch Just Topped The PS4's Lifetime Sales In
- Cyber Monday 2019 game deals continue with savings PS4, Switch and Xbox games (Tuesday update) - CNET
- Sales Slow as Nears Million Sold - Variety
- PlayStation 4 Becomes Fastest-Ever Home Console to Sell 100 Units – GTPlanet
- Hardware and sales 2019 in many | ResetEra
- Compared Wii U · Xbox One, this graphic shows the pace of sales of 4 that exceeded 30 million units sold at the fastest speed history - GIGAZINE
- Switch vs PS4 vs One Global Lifetime Sales – June 2019 | N4G
- Switch vs PS4 vs Xbox One Global Lifetime Sales – December 2019 |
- One vs PS4 vs Switch: Console and Game Sales Numbers 2020 | Hooked On Tech
- PS4 Software Sales Were About 8 Sold Every Second in
- Switch vs PS4 Xbox One Global Sales – July 2019
- All the PlayStation 4 Black deals that already live – Destructoid
- One vs PS4 vs Switch: Console and Game Sales Numbers 2020 | Hooked On Tech
- PS4 vs Xbox vs Switch: Console and Game Numbers - 2019 | Hooked On Tech
- Putting The 4's 91.6 Million Sales Context
- Rising PS4 game sales drive Sony to full-year revenues | GamesIndustry.biz
- 4 SALES 91.6 MILLION WORLDWIDE AFTER THE STRONG HOLIDAY SEASON ~ Marvel's Spider-Man Sells more than 9 Million Copies Worldwide ~
- PS4 sales as PS5 buzz ramps up; Mario movie | SYFY WIRE
- PS4 Surpassed 108 Million Units Sold - The Game