IMHO a mobile handset's primary use case is availability to respond to (mobile telephony) messaging events; as a consequence, its power management domains are i

IMHO a mobile handset's primary use case is availability to respond to (mobile telephony) messaging events; as a consequence, its power management domains are intentionally oriented toward short-duration events. A tablet device, on the other hand, is more likely to possess a higher-capacity battery and be usable for content generation / long-form editing.