You can find Compact fluorescent lamp and Classic incandescent light bulb efficiency comparison in the table below. The values are approximate, because there are many CFL producers and different product designs available. Brightness is measured in lumens.
The comparison between Compact fluorescent lamp and Classic light bulb wattage is usually explained on the lamp box, so you can compare it when shopping.
|900 lm||13 watts||60 watts|
|1400 lm||23 watts||100 watts|
|2300 lm||32 watts||150 watts|