Main Differences of LED Lamps compared with Normal Lamps and CFLs



LED Light

Normal (incandescent) Lamps

Compact Fluorescent Lamps (CFL)

the light comes out of the chip in an angle of usually 120°, a lens or the bulb glass adjusts the spread angle to e.g. 40° in spotlights, or 180° in bulbs. 360° light needs special LED placement inside the bulb (Candelabra bulbs).
The spread angle is defined in the bulb specifications.

light radiates all around, 360°

Not directional
CFL light radiates all around, 360°

Light color spectrum is easily adjusted
through the Phosphor mix

Warm light, natural color
Colors appear cold, not natural
better color rendering only possible at significantly higher manufacturing costs

Instant start
also in cold temperatures

instant start

Start with delay and flickering
especially in cold environments

Not for hot environments
operates best below 40°C
needs open air for cooling

operates in all environments

Can operate in environments
up to 60°C (at less light output)

High Lifetime (30..50,000 h)

short life (1000 h)

5..7000 h when rarely switched

High price


Medium price, high price for better light quality

Very low power consumption
10% of normal (incandescent) lamps
50% of CFLs

high power consumption

Low power consumption

Friendly to environment
no poisonous or dangerous components
fully recyclable

Broken glass hazards
can be recycled

Broken glass hazards
Radiates UV light
contains mercury
Health hazards
special waste