Google Coral is a SBC family designed for AI and ML in the edge. This particular board is a developer kit and is capable of running a full Linux distro.
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Pro Heatsink Included
Google Coral boards include a heatsink and a fan to ensure the MXU and the SoC are within optimal temperatures.
Pro Flash Memory Included
Unlike Raspberry Pi and some boards, Google Coral has a built in 8GB eMMC flash storage. Perfect if you want to flash another distro or if micro SDs are too unreliable.
Pro AI/ML Native
Google Coral SBCs are designed primarily for AI and ML in the edge. Each board carries a Edge TPU - a smaller version of Google's own ASIC chips used to power Google AI.
If you're tight in budget, Google Coral isn't for you. One unit costs roughly 150 USD - compared to Raspberry Pi 4 which is only up to 55 USD for the 4GB RAM model.
Con No third party distribution support
Based on documentation, there is no support beyond its own preinstalled distribution built exclusively for Google Coral. You're basically stuck with their own distribution.
Con 1GB LPDDR4 RAM only
There is no larger RAM option for Google Coral boards. You're stuck with the 1GB LPDDR4 RAM - which is comparably the same as Raspberry Pi 4 in its introductory price.