A Little Bigger Than The Raspberry Pi But A Lot More Powerful And Expensive

Sometimes a lot more powerful. The Aaeon PICO-TGU4 offers just that. Must read: Best Raspberry Pi alternatives in 2021 At 3.94" x 2.84" (100mm x 72mm), this board is a bit bigger than a Raspberry Pi 4 (3.37" x 2.22"/86mm x 56mm), but it does come equipped with an 11th-gen Intel Core – and you can choose between an i3 or i5 to suit your power needs (and budget). PICO-TGU4 tech specs:

Processor: 11th Gen Intel Core i5/i3/Celeron Processor SoCRAM: LPDDR4x on board memory, max 32 GBNetworking: 2.5GbE Intel i225 + 1GbE Intel i219HDMI: 2.0b x 1, 4Kx2K + eDP, up to HBR3 8KM.2: 2280 M key (PCIE by4 GEN4/SATA) x 1SATA: 6.0 Gb/s x 1PCI: Full size mPCIe/mSATA x 1USB: 2 x USB 3.2 Gen 2, 2 x USB 3.2 Gen 1, 4 x USB 2.0Ports: RS-232/422/485 x 2Audio: Line-in/Line-out/MICDIO: 8-bit

Coming back to budget, these boards are not cheap. The i3 version will set you back $615, while the i5 has a $949 price tag.
That’s a lot of money, but you are getting a really powerful computer in a small package. The manufacturer recommends fitting a separate cooler and heat spreader to get the best performance out of this system.