Sony says the PlayStation 5 shipped 4.5 million units as of December 31, 2020.

There were also 18.4 million first party games sold across PS4 and PS5 in the quarter ending Dec 31, 2020.

For reference, the PlayStation 4 also shipped 4.5 million units in the same 2013 quarter. pic.twitter.com/xgERRQ3wJY

— Daniel Ahmad (@ZhugeEX) February 3, 2021