ProjectsPricingInsights

Best Alternatives to ESP32-S3-WROOM-1-N16R8

Package: 41-SMD ModuleEspressif SystemsRF Transceiver Modules and ModemsSeries: ESP32-S3Package: Tape & Reel (TR); Cut Tape (CT); Digi-Reel®Frequency: 2.4GHzVoltage - Supply: 3V ~ 3.6VCurrent - Receiving: 95mA ~ 97mA

ESP32-S3-WROOM-1-N16R8 has no confirmed drop-in replacement in this set. Same-family WROOM-1 variants need pinout and memory review.

AI replacement insight

Electrical riskmedium

Voltage matches, but pinout is unverified.

Package riskmedium

41-SMD string alone is not enough.

Firmware riskhigh

Memory variants change flash/PSRAM limits.

Sourcing risklow

Same-family candidates are active.

Can it be replaced directly?

No pin-compatible replacement is verified from the provided evidence.

Best replacement path

Use N16R2 if flash is critical; use N8R8 if 8MB PSRAM is critical.

Main risk

Reduced flash or PSRAM can break firmware, OTA, or buffers.

Recommended alternatives

7

Alternative comparison matrix

Feature / factorESP32-S3-WROOM-1-N16R8ESP32-S3-WROOM-1-N16R2ESP32-S3-WROOM-1-N8R8ESP32-S3-WROOM-1-N4R8Compatibility / risk
Package41-SMD Module41-SMD Module41-SMD Module41-SMD Module41-SMD Module — same package string; ESP32-S3-WROOM-1-N8R8: same package string; ESP32-S3-WROOM-1-N4R8: same package string; ESP32-S3-WROOM-1-N16: same package string
Pinout41 pins41 pins41 pins41 pins41 pins — pin functions not proven; ESP32-S3-WROOM-1-N8R8: pin functions not proven; ESP32-S3-WROOM-1-N4R8: pin functions not proven; ESP32-S3-WROOM-1-N16: pin functions not proven
InterfaceWi-Fi b/g/n, BT5 LEWi-Fi b/g/n, BT5 LEWi-Fi b/g/n, BT5 LEWi-Fi b/g/n, BT5 LEWi-Fi b/g/n, BT5 LE — same radio class; ESP32-S3-WROOM-1-N8R8: same radio class; ESP32-S3-WROOM-1-N4R8: same radio class; ESP32-S3-WROOM-1-N16: same radio class
Temperature-40 to 65C-40 to 85C-40 to 65C-40 to 65C-40 to 85C / -40 to 65C — wider range; ESP32-S3-WROOM-1-N8R8: same range; ESP32-S3-WROOM-1-N4R8: same range; ESP32-S3-WROOM-1-N16: wider range
Application16MB flash, 8MB PSRAM16MB flash, 2MB PSRAM8MB flash, 8MB PSRAM4MB flash, 8MB PSRAM16MB flash, 2MB PSRAM / 8MB flash, 8MB PSRAM / 4MB flash, 8MB PSRAM / 16MB flash, no PSRAM — less PSRAM; ESP32-S3-WROOM-1-N8R8: less flash; ESP32-S3-WROOM-1-N4R8: less flash; ESP32-S3-WROOM-1-N16: PSRAM missing

Application & sourcing insights

Questions & answers

No single best alternative is verified. N16R2 is closest for flash; N8R8 is closest for PSRAM.