5XT6 vs 3XT6 @ 15Watts which is better?

Ok so if the same 15watt driver is used on both a 5xT6 and a 3XT6 will the 5XT6 outperform the 3XT6?

The 5X will also take 2/3, 18650’s/26650’s, does that make a difference in anything other than run time?

By the way it’s $39.99 shipped new from the US. I already have a 3X trustfire but I don’t know how many watts. (it’s not as bright as a SRK)

Also I am curious about this topic in general. Will a multi-led do better with the same watts and reflector? If so why?

OK a couple more questions. Would I be better off with the 7X trustfire from Fast Tech? Does anyone know what driver it uses and how many watts it puts out? Obviously I’m hoping for a wall of light and not a thrower.

tough question to answer

especially for me, as I’m no expert, but my thinking is

more flood from 5x, due to greater efficiency

but more throw from 3x, due to higher output/surface area

in reality reflector performance can vary widely, due to shape and coating quality

so, for wall of light, yes, 7x - or 9!

if a shorty 9x doesn’t appear soon, I’ll buy the 9x from amazon that richie just bought ($85, free shipping)