Intact and Pristine

Intact adjective - Not lacking any part or member that properly belongs to it.

Pristine is a synonym for intact in whole topic. In some cases you can use "Pristine" instead an adjective "Intact", when it comes to topics like untouched, unaffected.

Pristine adjective - Being in an original and unused or unspoiled state.

Intact is a synonym for pristine in clean topic. You can use "Intact" instead an adjective "Pristine", if it concerns topics such as untouched, unaffected.