The U-tec Bright A19 1100LM outpaced the other bulbs we tested with its ability to evenly blanket an area with light, particularly at full brightness (the tech term for that measurement is lux).

Warm-up time is how long the bulb took to reach near full brightness. Bulbs that take 0 to 15 seconds to reach near full brightness scored excellent. Those taking 16 to 31 seconds scored very good ...