which one better? SAR or Sigma Delta? for 16 bit 833KHz ADC.

[UpVoltage]

sigma delta versus sar

My thesis is "Design analog front end of energy meter digital".
I design ADC part with specification:
16 bit and 833KHz sampling frequency..

which one better?
with Successive approximation ADC or Sigma delta ADC based on above specification.

thks.

 

[nxtech]

sigma delta adc vs sar

Either will be fine.