Ambarella A7 solution in the market now uses different sensor, and each sensor produces different functions.
Here the AR0330 means only this sensor, not the upgrade one which supports 1080P60fps. Spec is here PDF: AR0330
Here the OV4689 spec in PDF: OV4689
From this compare sheet, you can see:
1. Only OV4689 support HDR function.
2. OV4689 support 1080P60fps, while AR0330 cannot.(basic AR0330)
3. both sensor can support SuperHD, if uses A7LA50 chipset.

P.S. The cell with color means support.