Clockwork's PicoCalc is a handheld portable computer powered by a Raspberry Pi Pico H (you might well want to upgrade to ...

making a compact handheld computer platform. It’s also got VGA out for display on a bigger screen, along with USB and an old-school Atari joystick port! Power is via a small rechargeable lithium ...

However, there are two that stand out among the crowd. The best handheld gaming PC is the Asus ROG Ally X, with a punchy 7-inch screen, fast AMD Ryzen Z1 Extreme chip, and a massive 80 Wh battery.