What are the noteworthy differences between an inverting and non-inverting op amps?
An inverting op-amp configuration can both amplify and attenuate a signal.

On the other hand a non-inverting configuration can only amplify.

Inverting Configuration :







simulate this circuit &ndash; Schematic created using CircuitLab

voltage gain = - Rf/R1


so resistor values can be selected to get any value of gain even less than 1 (attenuation)

Non-inverting Configuration :







simulate this circuit

voltage gain = 1 + Rf/R1


So, voltage gain value can never be less than 1

Also input impedance value is much higher for a non-inverting configuration.