ESP32-C3 mini

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Jurand

ESP32 Series Comparison (As of 2024)

Feature	ESP32	ESP32-C3	ESP32-C5	ESP32-S3	ESP32-P4	ESP32-H2
Processor	Dual-core Tensilica LX6	Single-core RISC-V	Dual-core RISC-V	Dual-core Xtensa LX7	Dual-core Xtensa LX7	Single-core RISC-V
Frequency	Up to 240 MHz	Up to 160 MHz	Up to 240 MHz	Up to 240 MHz	Up to 240 MHz	Up to 96 MHz
Wi-Fi	802.11 b/g/n	802.11 b/g/n	802.11 b/g/n/ac	802.11 b/g/n	802.11 b/g/n/ac	No
Bluetooth	BT 4.2 (Classic + LE)	BT 5.0 (LE)	BT 5.0 (LE), BLE Mesh	BT 5.0 (LE)	BT 5.0 (LE), BLE Mesh	BT 5.0 (LE), Thread, Zigbee
Internal Memory	520 KB SRAM	400 KB SRAM	520 KB SRAM	512 KB SRAM	520 KB SRAM	Similar to ESP32-C3
External Memory	Up to 16 MB Flash & 8 MB SRAM	Flash & External RAM Supported	Up to 16 MB Flash & 8 MB SRAM	Up to 16 MB Flash & 8 MB SRAM	Up to 16 MB Flash & 8 MB SRAM	Flash & External RAM Supported
USB	No	Yes (USB OTG)	Yes (USB OTG)	Yes (USB OTG)	Yes (USB OTG)	No
Primary Use Case	General IoT applications	Cost-sensitive IoT devices	High-performance IoT applications	Advanced applications with AI	High-performance IoT applications with AI	Smart home networks

ESP32: Continues as a versatile choice for a wide range of applications, offering robust memory and processing capabilities.
ESP32-C3: Provides an efficient, cost-effective solution for simple IoT devices that require Wi-Fi, Bluetooth, and USB OTG capabilities.
ESP32-C5: Steps up as a dual-core RISC-V processor with improved Wi-Fi and Bluetooth, ideal for high-performance IoT applications that also require USB OTG support.
ESP32-S3: Offers advanced AI capabilities and rich I/O options, suitable for applications requiring machine learning and USB OTG support.
ESP32-P4: Newer model with enhanced AI capabilities and superior connectivity options, including USB OTG support, designed for demanding IoT applications.
ESP32-H2: Focuses on connectivity for smart home applications using Bluetooth 5, Thread, and Zigbee, perfect for non-Wi-Fi dependent setups.