The headline seems a bit silly and self evident.
Isn’t any H bomb more powerful than the relatively primitive bombs at Hiroshima and Nagasaki?
Yep. 15 KT for Hiroshima and 21 KT (est) for Nagasaki.
On a side note, there were at least four Japanese people who got caught in both bombs. Which would have sucked.
The term “H-Bomb” is somewhat misleading. It stems from the first “R&D” development of fusion style weapons. In the first test of an H-Bomb (I believe at the Castle series of tests). They used liquid hydrogen in a test cell. It was never really a practical weapon, just designed to test out the theories of nuclear fusion. The practical fusion weapons use lithium hydride.
The are correctly called fusion weapons, or more accurately, “thermonuclear weapons”. They use a staged series of fission-fusion-fission etc. to maximize the explosive energy.
In reality, the fission(A bomb) part of the thermonuclear weapon, is the fuse.
Many, many times more powerful.