FEATURES COMAPARISION OF VARIOUS ESP32 BOARDS

1. ESP32 H2:
   • ESP32 H2 has wi-fi, BLE 5, Zigbee, thread.
   • ESP32 H2 zigbee + BLE make it suitable for matter and which enables inter-operability for various smart home devices like siri, alexa etc between various eco system.
   •  Ultra low power energy operations achieved by Soc ‘s DC to DC converter.

   • Application

   • Smart connected devices from different applications.
   • Gateways for Zigbee, BLE, Threads.
   • Ultra low power application for industrial applications.
   • 
2. ESP32 C3:
   • Single core BLE 5 + WIFI 4 SoC based on open-source RISC 5 architecture.
   • It has BLE 5 long range support, consume vary less power & larger memory. 

   • Application

   • Upgrade for esp8266.
   • Cheap smart Home & Office projects.
   • 
3. ESP32 C6:
   • Single core with WIFI –6 & BLE 5, with reliable security features and multiple memory resources
   • It consists of a high-performance (HP) 32-bit RISC-V processor, which can be clocked up to 160 MHz, and a low-power (LP) 32-bit RISC-V processor, which can be clocked up to 20 MHz.
   •  Chip provides more security, & a greater number of devices connectivity, long range, Higher data speed.

   • Application

   • Industrial IOT applications where large number of devices can be connected.
   • Future proof smart devices.
   • 
4. ESP32 S2:
   • Comes with Tensilica Xtensa 32-bit LX7 (up to 240MHz) core which is faster compared to other processor architecture.
   • It supports AI capabilities.
   • It is low power, single core wi-fi SoC, with rich set of I/O .
   • It comes with RISC VI based ULP co-processor, along with newer single main processor & lack of dual core is manages by LX7 core
   • it has capability to dynamically turn off wi-fi when it is not in use.
   • It also provides hardware security features.

   • Application

   • Secure & Low power applications.
   • Upgrade for older ESP32 SoCs.
   • 
5. ESP32 S3:
   • Specifically aimed for AIOT application with Dual core Tensilica Xtensa 32-bit LX7 architecture processor, clocked at 240 MHz.
   • It has features of AI vector instructions, & reliable encryption engine. Ai vector instruction can be useful for application optimization using ESP-DSP & ESP NL library.

   • Application

   • DSP applications like, OFFLINE voice recognition systems.
   • Computer vision applications.
   • Wake word detections applications.
   • Multiple Dimension Human Machine Interphase.
   • 

Brief Comparision of different ESP32 BOARDS