The Germans were ahead in avionics and aviation, submarine design, computing, jet engines, rocket technology, virtually every category of weapons technology including chemical warfare, radio navigation, radar countermeasures, and infrared night-fighting technology. The Germans had several proximity fuses, some of them more advanced than the Allied ones, but they remained as prototypes. The Allies were ahead in terms of nuclear weapons and radar, because of the cavity magnetron, and that was about it.
the rest has been amply covered, but what examples of the bit in bold are you thinking of?
As mentioned the MG34/42 were very good in terms of weight for ROF (although I'd argue the Wallies used MG/automatic weapons in a different way*)
*you could argue that the lack of a MG34/42 equivalent forced them too to their detriment, but it's a big topic