Source-backed claims. Configuration, workload and evidence type matter when comparing products.
Adc resources
2×ADC (12 bits/20 channels)
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer product parameter panel; MCU resources are not assumed simultaneously available on every exposed pin. Source header says Digital-to-Analog conversion but cell says ADC; no DAC capability inferred.
ESP32-S3 core board parameters2×ADC (12 bits/20 channels)
Bluetooth broadcast expansion
Support broadcast expansion (Advertising Extensions)
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer wireless feature table; radio modes and upper limits are conditional, not measured link performance.
ESP32 wireless specification panelSupport broadcast expansion (Advertising Extensions)
Bluetooth channel selection and coexistence
Support channel selection algorithm # 2; WiFi+BT hardware RF homology, shared antenna, chip built-in coexistence scheduling mechanism
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer wireless feature table; radio modes and upper limits are conditional, not measured link performance.
ESP32 wireless specification panelSupport channel selection algorithm # 2; WiFi+BT hardware RF homology, shared antenna, chip built-in coexistence scheduling mechanism
Bluetooth multiple broadcast sets
Support multiple independent broadcast sets (Multiple Advertisement Sets)
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer wireless feature table; radio modes and upper limits are conditional, not measured link performance.
ESP32 wireless specification panelSupport multiple independent broadcast sets (Multiple Advertisement Sets)
Bluetooth protocol support
Lower energy BT (BT LE)BT 5, BT mesh
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer wireless feature table; radio modes and upper limits are conditional, not measured link performance.
ESP32 wireless specification panelLower energy BT (BT LE)BT 5、BT mesh
Bluetooth speed support
Support 125 Kbps, 500Kbps, 1Mbps, 2Mbps
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer wireless feature table; radio modes and upper limits are conditional, not measured link performance.
ESP32 wireless specification panelSupport 125 Kbps, 500Kbps, 1Mbps, 2Mbps
Bluetooth transmit power
Support high-power mode, up to 20dBm
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer wireless feature table; radio modes and upper limits are conditional, not measured link performance.
ESP32 wireless specification panelSupport high-power mode, up to 20dBm
Board dimensions
62.8 × 18.6 × 28 mm
Reported claim
Configuration: ESP32-S3-N16R8; Native manufacturer dimension order; includes projecting pins in the side view.
ESP32-S3 core board parameters62.8*18.6*28mm
Board interfaces
Type-C interface*2, speaker interface, on board IIC pin connector
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer product parameter panel; MCU resources are not assumed simultaneously available on every exposed pin.
ESP32-S3 core board parametersType-C interface*2, speaker interface, on board IIC pin connector
Board mass
12.4 g
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer panel; separate peripherals not included in this board record.
ESP32-S3 core board parameters12.4g
Boot behavior
Reserved BOOT pin, can be pulled low to enter flashing mode
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer product parameter panel; MCU resources are not assumed simultaneously available on every exposed pin.
ESP32-S3 core board parametersReserved BOOT pin, can be pulled low to enter flashing mode
Buttons
Reset button, BOOT self defined button
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer product parameter panel; MCU resources are not assumed simultaneously available on every exposed pin.
ESP32-S3 core board parametersReset button, BOOT self defined button
Chip i/o voltage range
2.3–3.6 V
Reported claim
Configuration: ESP32-S3-N16R8; Chip I/O rating, not the Type-C supply.
ESP32-S3 core board parametersExternal voltage: 5V Type-C input, chip IO 2.3-3.6V Core voltage: 1.8V
Clock rate per core
up to 240 MHz
Reported claim
Configuration: ESP32-S3-N16R8; Per-core upper limit.
ESP32-S3 core board parametersSingle core up to 240MHz
Core voltage
1.8 V
Reported claim
Configuration: ESP32-S3-N16R8; MCU core voltage, not the Type-C supply.
ESP32-S3 core board parametersExternal voltage: 5V Type-C input, chip IO 2.3-3.6V Core voltage: 1.8V
Deep-sleep current
8 µA
Reported claim
Configuration: ESP32-S3-N16R8; Deep-sleep; retention configuration unspecified.
ESP32-S3 core board parametersSleep mode: 4mA/240M (Light-sleep) Standby mode: 8uA (Deep-sleep) Single core bare metal: 45mA/240M Dual core bare metal: 60mA/240M
Development tools
ESP-IDF, Arduino IDE, MicroPython,etc
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer product parameter panel; MCU resources are not assumed simultaneously available on every exposed pin.
ESP32-S3 core board parametersESP-IDF、Arduino IDE、MicroPython,etc
Dual-core bare-metal current
60 mA
Reported claim
Configuration: ESP32-S3-N16R8; Source condition /240M; supply and full setup unspecified.
ESP32-S3 core board parametersSleep mode: 4mA/240M (Light-sleep) Standby mode: 8uA (Deep-sleep) Single core bare metal: 45mA/240M Dual core bare metal: 60mA/240M
Flash capacity
16 MB
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer panel labels this Internal FLASH.
ESP32-S3 core board parameters16MB
Indicator leds
Red power indicator light, RX indicator light, TX indicator light, RGB programmable light
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer product parameter panel; MCU resources are not assumed simultaneously available on every exposed pin.
ESP32-S3 core board parametersRed power indicator light, RX indicator light, TX indicator light, RGB programmable light
Light-sleep current
4 mA
Reported claim
Configuration: ESP32-S3-N16R8; Source condition /240M (Light-sleep); supply and full setup unspecified.
ESP32-S3 core board parametersSleep mode: 4mA/240M (Light-sleep) Standby mode: 8uA (Deep-sleep) Single core bare metal: 45mA/240M Dual core bare metal: 60mA/240M
Mcu package pin count
45
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer product parameter panel; MCU resources are not assumed simultaneously available on every exposed pin.
ESP32-S3 core board parameters45
Module/board configuration
ESP32-S3-N16R8
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer product parameter panel; MCU resources are not assumed simultaneously available on every exposed pin.
ESP32-S3 core board parametersESP32-S3-N16R8
Module package
WROOM-1 standard module patch packaging
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer product parameter panel; MCU resources are not assumed simultaneously available on every exposed pin.
ESP32-S3 core board parametersWROOM-1 standard module patch packaging
Module psram
8 MB
Reported claim
Configuration: ESP32-S3-N16R8; Module memory; separate from on-chip SRAM.
ESP32-S3 core board parameters512KB on-chip SRAM, Module plug-in 8MB PSRAM
Onboard microphone
On board high-performance microphone
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer product parameter panel; MCU resources are not assumed simultaneously available on every exposed pin.
ESP32-S3 core board parametersOn board high-performance microphone
On-chip sram
512 KB
Reported claim
Configuration: ESP32-S3-N16R8; MCU internal SRAM; separate from module PSRAM.
ESP32-S3 core board parameters512KB on-chip SRAM, Module plug-in 8MB PSRAM
Pcb length callout
57.20 mm
Reported claim
Configuration: ESP32-S3-N16R8; Native dimensional drawing callout; other total dimensions are given separately.
ESP32-S3 core board parameters57.20mm
Pcb thickness callout
1.60 mm
Reported claim
Configuration: ESP32-S3-N16R8; Native dimensional drawing callout; other total dimensions are given separately.
ESP32-S3 core board parameters1.60mm
Peripheral resources
3×UART, 2×I2C, 4×SPI, 1×TWAI (CAN), 2×I2S, 14×touch GPIO
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer product parameter panel; MCU resources are not assumed simultaneously available on every exposed pin.
ESP32-S3 core board parameters3×UART、2×I2C、4×SPI、1×TWAI (CAN)、2×I2S、14×touch GPIO
Processor architecture
Dual-core Xtensa LX7 (Equipped with AI vector instructions)
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer product parameter panel; MCU resources are not assumed simultaneously available on every exposed pin.
ESP32-S3 core board parametersDual-core Xtensa LX7 (Equipped with AI vector instructions)
Programming and update methods
Type-C USB direct burning, OTA wireless remote upgrade
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer product parameter panel; MCU resources are not assumed simultaneously available on every exposed pin.
ESP32-S3 core board parametersType-C USB direct burning, OTA wireless remote upgrade
Single-core bare-metal current
45 mA
Reported claim
Configuration: ESP32-S3-N16R8; Source condition /240M; supply and full setup unspecified.
ESP32-S3 core board parametersSleep mode: 4mA/240M (Light-sleep) Standby mode: 8uA (Deep-sleep) Single core bare metal: 45mA/240M Dual core bare metal: 60mA/240M
Timer count
8
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer product parameter panel; MCU resources are not assumed simultaneously available on every exposed pin.
ESP32-S3 core board parameters8
Type-c supply input
5 V
Reported claim
Configuration: ESP32-S3-N16R8; Explicit Type-C input within the manufacturer Voltage Range (ADC) row.
ESP32-S3 core board parametersExternal voltage: 5V Type-C input, chip IO 2.3-3.6V Core voltage: 1.8V
Wi-fi antenna and speed
1T1R single receiver single transmitter antenna architecture, theoretical maximum speed of 150Mbps
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer wireless feature table; theoretical/maximum rates are not measured application throughput.
ESP32 wireless specification panel1T1R single receiver single transmitter antenna architecture, theoretical maximum speed of 150Mbps
Wi-fi antenna diversity
Support antenna diversity and 802.11mc FTM precise ranging
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer wireless feature table; theoretical/maximum rates are not measured application throughput.
ESP32 wireless specification panelSupport antenna diversity and 802.11mc FTM precise ranging
Wi-fi beacon monitoring
Hardware TSF clock, support automatic monitoring of Beacon
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer wireless feature table; theoretical/maximum rates are not measured application throughput.
ESP32 wireless specification panelHardware TSF clock, support automatic monitoring of Beacon
Wi-fi block confirmation
Support Immediate Block Ack for immediate block confirmation
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer wireless feature table; theoretical/maximum rates are not measured application throughput.
ESP32 wireless specification panelSupport Immediate Block Ack for immediate block confirmation
Wi-fi frame aggregation
Support WMM wireless multimedia, TX/RX A-MPDU, A-MSDU frame aggregation
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer wireless feature table; theoretical/maximum rates are not measured application throughput.
ESP32 wireless specification panelSupport WMM wireless multimedia, TX/RX A-MPDU, A-MSDU frame aggregation
Wi-fi frequency band and bandwidth
2.4GHz frequency band, support 20MHz and 40MHz channel bandwidths
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer wireless feature table; theoretical/maximum rates are not measured application throughput.
ESP32 wireless specification panel2.4GHz frequency band, support 20MHz and 40MHz channel bandwidths
Wi-fi protocol support
Support IEEE802.11b/g/n protocol
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer wireless feature table; theoretical/maximum rates are not measured application throughput.
ESP32 wireless specification panelSupport IEEE802.11b/g/n protocol
Wi-fi transmission opportunities
Support TxOP transmission opportunity scheduling
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer wireless feature table; theoretical/maximum rates are not measured application throughput.
ESP32 wireless specification panelSupport TxOP transmission opportunity scheduling
Wi-fi virtual interface
Support up to 4 sets of virtual WiFi interfaces
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer wireless feature table; theoretical/maximum rates are not measured application throughput.
ESP32 wireless specification panelSupport up to 4 sets of virtual WiFi interfaces
Wi-fi work mode
Support Station/SoftAP/Station+SoftAP coexistence/mixed listening mode; During station scanning, the AP channel will change accordingly
Reported claim
Configuration: ESP32-S3-N16R8; Manufacturer wireless feature table; theoretical/maximum rates are not measured application throughput.
ESP32 wireless specification panelSupport Station/SoftAP/Station+SoftAP coexistence/mixed listening mode; During station scanning, the AP channel will change accordingly