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Comparison


Illuminants differ from one another in a number of ways. In this regard, the consumer does not always know what he/she must pay attention to. The energy consumption, the light quality , or the service life must be compared and evaluated.
The following table shows an overview of all commercial light sources – this way you are able to compare all significant criteria at a glance.

 
 
Energy consumption rel. to incand. lamp

 
Service life (operating time 3h/day)
Colour rendering index Ra
 
LED
     
 
15 - 20%
20,000 - 50,000 h
20 - 50 years
Ra 80 - 95
2,700  -  4,000 K
Fluorescent lamps
    
 
15%
18,000 h
16 years
Ra 80 - 90
2,700 - 6,000 K
  • Discharge lamps
         
     
    15%
    6,000 h
    5.5 years
    Ra 80 - 95
    3,000 K
  • Energy-saving lamps
       
     
    20%
    10,000 h
    11 years
    Ra 80 - 90
    2,700 - 4,000 K
  • 12 V halogen lamps
        
     
    70%
    2,000 - 4,000 h
    2 - 4 years
    Ra 100
    2,900 - 3,000 K
  • 230 V halogen lamps
        
     
    90%
    2,000 - 4,000 h
    2 - 4 years
    Ra 100
    2,900 - 3,000 K
  • Incandescent lamps
        
     
    100%
    1,000 h
    1 year
    Ra 100
    2,700 K

Please also read the information on Energy class


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