In the last two years, ESP8266 was the Wifi Chip/Module which dominated the market of hobbyists, even a lot of commercial products use ESP8266, due to the low price, ease of use and large community around ESP8266.
RTL8710 is a Wifi network solution from the Taiwanese Company Realtek. It can operate independently, or as a slave to another MCU host. The same way of ESP8266.
RTL8710 has a built-in ARM Cortex M3 MCU at 166 MHz, 1MB flash and peripherals like UART, PWM, I2C, GPIO and PCM, a more detailed comparison is shown in the table bellow:
If you like to have a quick hands on RTL8710, then you can order a development board for RTL8710.