(Bullshit numbers incoming) If one "forever bulb" can only output 10 lumens @10 watts but you need 100 lumens, and a "one year" bulb can create 100 lumens @60

(Bullshit numbers incoming) If one "forever bulb" can only output 10 lumens @10 watts but you need 100 lumens, and a "one year" bulb can create 100 lumens @60 watts, the disposable bulb wins.