These were culled from other threads. Note that some could qualify as successes in one division (ex: design) but a fatal failure in another (ex: marketing)
MEEGO
Itanium
Intel Watch
Charging bowl
WIMAX
WIDI
Larrabee and other discrete graphics efforts
Rambus
Drones
Intel Online Services
Pandesic
Intel Health Services
$300 M for workplace diversity
Mobility in multiple ways (ARM, missing the iPhone deal, etc.)
AI (still can’t figure out what the plan was here)
McAfee and many other acquisitions
Others?