The ESP8266 started a small revolution by bringing WiFi to a small and cheap package that also had enough processing power and enough pins to get small things done. Now get ready to take your bite-sized WiFi capabilities to the next level with the ESP-WROVER-32 WiFi / Bluetooth Classic / BLE Module!
This modules is even more powerful than the WROOM-32 – it has a 8MB PSRAM chip for when you have massive data buffering needs. It is a bigger module than the WROOM-32. The core processing chip (ESP32) and SPI Flash (4MB) is the same, its just got waaay more RAM available.
According to Espressif, the ESP-WROVER-32 is a powerful, generic WiFi-BT-BLE MCU module that targets a wide variety of applications ranging from low-power sensor networks to the most demanding tasks such as voice encoding, music streaming and MP3 decoding.