Compared to the Steam Deck, Windows handhelds with the latest processors are often much more powerful. The operating system itself may also be a obvious factor for many users. But the Steam Deck has its own advantages.https://www.notebookcheck.net/Steam-Deck-OLED-or-Windows-handheld-Not-just-a-question-of-taste.804545.0.html
You fail to mention the AYANEO Kun and OneXplayer handhelds can cost more than twice as much