Thanks InvisiBill. That really helps. From this website
https://www.saving-star.com/smd-led-comparison/, a 5050 LED chip will produce about 24 lumens. So a 5 X 5050 bulb should produce about 120 lumens. That's 4.6 times more lumen output that a standard incandescent bulb (i.e. 120 lumen vs 26 lumen). I realize that lumen output doesn't take into account the light dispersion angle, so 4.6 times more lumen does not necessarily mean 4.6 times brighter, but it gives me some reference to go by.