On Friday, 6 November 2020 18:23:15 UTC, Scott wrote:
I have a couple of early LED lamps, with fins and very heavy. Are
these as good as (or better than?) the present generation?

As I understand, the lower the efficiency, the more heat dispersion will be required, so the heavier the lamp.

Quite likely not as good as current generation but might well not be worth changing them.