ESP-WROOM-32 is Powered by Espressif’s most advanced SoC, the ESP-WROOM-32 features high performance, a wide range of peripherals, Wi-Fi and Bluetooth radio, which provide a complete solution tailored to advanced IoT applications.
240 MHz dual core Tensilica LX6 microcontroller with 600 DMIPS 
Integrated 520 KB SRAM 
Integrated 802.11BGN HT40 Wi-Fi transceiver, baseband, stack and LWIP 
Integrated dual mode Bluetooth (classic and BLE) 
16 MByte flash 

2.2V to 3.6V operating voltage 
-40°C to +125°C operating temperature 
On-board PCB antenna / IPEX connector for external antenna 
Supports sniffer, station, softAP and Wi-Fi direct modes 
Max data rate of 150 Mbps@11n HT40, 72 Mbps@11n HT20, 54 Mbps@11g, and 11 Mbps@11b 
Maximum transmit power of 19.5 dBm@11b, 16.5 dBm@11g, 15.5 dBm@11n 
Minimum receiver sensitivity of -98 dBm 
135 Mbps UDP sustained throughput 
2.5 µA deep sleep current

DataSheet Link:  https://www.espressif.com/sites/default/files/documentation/esp_wroom_32_datasheet_en.pdf