When comparing Raspberry Pi 3 Model B+ vs Google Coral, the Slant community recommends Raspberry Pi 3 Model B+ for most people. In the question“What is the most powerful single board computer?” Raspberry Pi 3 Model B+ is ranked 7th while Google Coral is ranked 12th. The most important reason people chose Raspberry Pi 3 Model B+ is:
Thanks to a new thermal management plate (heat spreader), as well as better voltage regulation, the CPU gained a nice little 200 MHz bump in clock speed over the Pi 3 Model B. Applications on the Pi 3 B+ are a little faster and snappier than their predecessor.
Specs
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Pros
Pro Faster CPU than the original Pi 3 Model B
Thanks to a new thermal management plate (heat spreader), as well as better voltage regulation, the CPU gained a nice little 200 MHz bump in clock speed over the Pi 3 Model B. Applications on the Pi 3 B+ are a little faster and snappier than their predecessor.
Pro World-class support and software
What really sets the Raspberry Pi apart from the competition, and makes it leagues apart from every other SBC out there, it the software and support you get from every corner of the ecosystem regarding anything you want to make, build or do with the Pi. The most up-to-date kernels, the widest supported bundles, hats for every occasion, step-by-step instructions, and if you're trying something and get stuck, chances are high someone else has got stuck at the same spot, got past it, and left detailed instructions on how to get past it so nobody ever gets stuck there again. That is the best feature of the Raspberry Pi.
Pro Faster networking capabilities
Because of the Gigabit ethernet (although still sharing the USB 2.0 bus which limits its speed ceiling), it goes up to 3x faster than the original Pi 3 Model B. The new wireless chip supports 802.111ac, which also increases its throughput to 3x as well. Bluetooth 4.2 LE is much more stable, and it's just a nice little upgrade.
Pro Great community and developer support
The various addons boards means this is the board to go with for starters into development. Without much knowledge you can get a project up and running in a short amount of time.
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.
Cons
Con Superseded
the newer Model 4 is available for the same price and can do everything this does and more.
Con USB and Ethernet bandwidth shared
For cloud servers (OwnCloud, NextCloud, FTP, Media Hosting, etc...) it will take a dip on the transfer performance (when using ethernet combined with a USB Storage device) as the same controller handles the USB and Ethernet interfaces. Better performance than its predecessor, but something to keep in mind.
Con Only USB 2.0
It only has USB 2.0 ports which are painfully slow but they are also limited to 0.5 A which is not enough to power a HDD reliable.
Con Not for power users
The Pi has a 5V/2.5A DC power input which is not enough.
Con Bluetooth is very unstable - never fails to fail
Many times after successfully pairing devices it just stops working. One speaker worked for about 5minutes then stopped. Since then it will pair but will not connect. Yes the speakers work in Windows and with a Samsung Galaxy S8. Its seems to have more to do with the Raspbian OS, since using a BlueTooth dongle with it gives the same results.
Con Expensive
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.
