Best ESP32 for Matter, Thread & Zigbee: C6 vs H2 vs H21 vs H4 vs C5

Quick Summary (TL;DR):For most people building a Matter, Thread or Zigbee project in 2026, the ESP32-C6 is still the best all-round starting point: it combines a mature 160 MHz RISC-V platform, 2.4 GHz Wi-Fi 6, Bluetooth LE and IEEE 802.15.4…