The former is a warm, yellow glow, and the latter is usually an LED light that ... and how to use each type of bulb. They also choose sides in the warm white versus soft white argument.

produced by a given amount of electrical energy (watts). The more the lumens per watt the more efficient the bulb.

A traditional light bulb isn't bright or energy-efficient ... we've found the best LED lights for long-term use, offering warm white, cool white and even multiple colors. Read more: Best Smart ...