Will anything dethrone the Steam Deck? Probably not
www.gamingonlinux.comWhile other vendors continually push out new handheld pc models, sticking similar internals into different shell designs and gradually bumping up RAM or the Processor, the Steam Deck just keeps selling like hot tasty cakes.
All games are x86, so you’ll get that 10-40% CPU overhead.
Steam itself doesn’t even support 64bit, let alone arm.