Probably marketing as portable and full range are different markets/consumers. Could also be due to volume. Full ranges might be manufactured at a smaller and l

Probably marketing as portable and full range are different markets/consumers. Could also be due to volume. Full ranges might be manufactured at a smaller and less efficient scale. It's also possible that they have better components, are more durable, have more features and more power. Induction cookers can cook faster than gas.