The chip includes a 1.35GHz rated, 64-bit dual-core ARM Cortex-A53 processor supporting SGMII/RGMII, PCIe, SATA and USB, and 4x4 802.11n FEM integration. Other interfaces include I2S, TDM, S/PDIF, analog amplifier and A/D converter for audio and GPIO, I2C, I2S, IR, PMIC I/F, PWM, RTC, SPI and UART "slow I/O" options.
MediaTek's announcement did not say when either the device or reference design would ship. Check the product page for more details.