The H8i has much better ANC than the only other one in my collection, the Sennheiser HD1

Still nowhere as good as the over-ear ANC

The ANC could be a bit better, but it's also not stifling, which is good

These just do not perform well as ANC

The ANC is also very good for me

The H8i also allows you to disable the ANC and also gives you the option to allow ambient sound in

The proximity sensor (to pause and play when you take off and put on the headphones, respectively) is a smart feature but sometimes doesn't work as reliably as it should