Rock Pi 4 vs Google Coral Dev Board

The Rock Pi 4 is a compact single-board computer featuring a hexa‑core Rockchip RK3399 processor, up to 4 GB LPDDR4 RAM, and dual‑channel M.2 NVMe support. It offers a rich I/O set including dual HDMI 4K, USB‑C 3.0, Gigabit Ethernet, and Wi‑Fi/Bluetooth for versatile connectivity. Designed for developers, makers, and edge‑AI projects, the board runs Linux, Android, and various open‑source OSes, providing a flexible platform for everything from media servers to AI inference workloads.

The Google Coral Dev Board is a powerful single-board computer designed for rapid prototyping of low-power edge AI devices. It features Google's proprietary Edge TPU coprocessor, capable of performing 4 trillion operations per second while consuming very little energy. Equipped with a complete system containing NXP i.MX 8M SoC, LPDDR4 RAM, and onboard wireless connectivity, the board runs a specialized Debian-based Linux system called Mendel. It provides developers with a complete, out-of-the-box environment to build and deploy high-performance machine learning models locally at the edge.

• High‑performance RK3399 CPU
• M.2 NVMe slot for fast storage
• Dual 4K HDMI outputs
• Strong community and open‑source support

• High-speed local inferencing via Edge TPU
• Removable SOM simplifies custom board design
• Full Linux development environment
• Low power consumption during heavy AI workloads

• Wi‑Fi limited to 802.11ac (no Wi‑Fi 6)
• Limited official Android builds
• Power consumption higher than low‑end SBCs

• Can run quite warm under sustained heavy loads
• Limited to TensorFlow Lite models
• Discontinued or supply-constrained availability in recent years