Currently Online 
Market Estimations.
Mobile Discussions
Market Share
Sony PlayStation, for over two decades and through five generations, has been the leading console both worldwide and in the United States. Sony's gamer base is two times as large as Xbox's worldwide, and 50% larger in the United States.
Sony - Nintendo
(Sony filing to the CMA stating that Sony's "principal rivals" include "Nintendo's Switch console.")
Exclusive Economics
The economics of exclusivity differ significantly among the three major platforms. The reason is simple: the larger the platform's user base of potential purchasers relative to rivals, the smaller the portion of the market that must be "bought out" (internally or externally) to take a game exclusive. This basic economic calculus makes exclusivity considerably more costly for Xbox than it is for Sony and Nintendo
COD Testimony
Two/Three Gen 10 Devices?
Starfield and Indiana Jones Sales on PlayStation (Estimation)
How xCloud Loses Money
Because Xbox Cloud Gaming does not run on Microsoft's Azure cloud server infrastructure, but rather on individual Xbox consoles, Xbox loses money on every hour of streamed gaming. 6/22/23 Tr. (Bond), at 195:1–4, 208:19– 210:9 ("[T]he revenue we get, you know, per minute, per hour from [xCloud] is lower than the cost . . . ."). The machines doing the streaming do not have other monetizable uses when they are not engaged.
