anjuna, not so.
At display weights and the peacetime power setting with 201 engines the power-weight ratio was about 1:2.
A 301 engined Mk 2 with full conventional bombload and unrestricted power, such as we enjoyed in the 60s, had a power-weight ratio of about 1:2.38.
Even in high temperatures and max bomb load the ROC as 5000 ft per minute and time to 45000 feet about 9 minutes.