| compact fluorescent bulbs vs MHL.HPS.HPM | ||||
| Comparison Items | induction lamps | MHL | HPS | HPM |
| Warranty | 5 (years) | 1 (years) | 1 (years) | 1 (years) |
| Life | 100000hrs | 6000-2000hrs(short life time because electrode works underhigh temp up to 1200℃) | 24000hrs(sjprt life time because electrode works under hightemp up to1200℃) | 3000-6000hrs(short life time because electrode works under high temp up to1200℃) |
| Energy Saving Efficiency | Excellent | Lower | Lower | Lower |
| Lumen Efficacy | Photopicefficacy:150plm/w Traditional/efficacy:80lm/w Pupil lumen:150plm/w lumen:80lm/w |
Photopic/efficacy:110plm/w Traditional/efficacy:75lm/w Pupil lumens:110plm/w lumen:75lm/w |
Photopic/efficacy:90plm/w Traditional/efficacy:120lm/w Pupil lumens:90plm/w lumen:120lm/w |
Photopic/efficacy:43plm/w Traditional/efficacy:50lm/w Pupil lumens:43plm/w lumen:50lm/w |
| Lumen Depreciation Rate(%)2000hrs(%) | 0.05 | 0.4 | 0.3 | 0.45 |
| Lamp Temperature | Lowe, ≤80 Reduce a/c sost | Lowe, ≤300 Increase a/c sost | Lowe, ≤350 Increase a/c sost | Lowe, ≤300 Increase a/c sost |
| CRI | ≥80 (Ra) | 60-90(Ra) | 60(Ra) | Lower45(Ra) |
| Restart | Instantly | Up to 10-15minutes | Up to 10-15minutes | Up to 10-15minutes |
| Flicke | None | Much | Much | Much |
| Glare | None | Much | Much | Much |
| Environment | No mercury no many waste lamp in 10 years | Much concerns Mercury many waste lamps | Much concerns Mercury many waste lamp | Much concerns Mercury many waste lamps |
| Dimmer | OK | NO | NO | NO |
