iPhone XS has slightly smaller battery and more RAM than iPhone X

iPhone XS has slightly smaller battery and more RAM than iPhone Xhttps://www.theverge.com/circuitbreaker/2018/9/19/17879438/iphone-xs-max-xr-battery-ram-specs
https://www.worlds50.com/2018/09/iphone-xs-has-slightly-smaller-battery.html