LED corn light compare with Metal Halide light, which lamp have advantage?

Metal halide light widely use in warehouse , factory. It is necessary to use LED corn lights to replacement Metal lamp Famous lighting manufacturer GE lighting stopped to produce few model Metal Halide bulbs since 2015. EU indicates that metal halide must be phased out by 2015 and over 90%, since it has lower lumen output and less lifespan.
But LED corn light compare with Metal Halide light, which lamp have advantage?
Model
LED corn light 50Watt
Metal Halide 175Watt
Luminous Flux
6500lm
14000lm
Efficiency(lm/w)
130lm/W
80lm/W
CRI
80
52
Illumination at 5meter
126lx
105lx
Color Temperature(CCT)
2800-7000K
2800-7000K
Lifespan
>50000hrs
8000hrs

From the above table, we can know 50w LED corn light can replace 175W Metal halide light. In spite of luminous flux  of led corn light only 6500lm but efficiency higher than metal halide lamp .  
CRI
CRI can correct the color with original material need to use the light source of high color rendering index (Ra), its value is close to 100, the best color. CRI of led corn light is up to 80 Ra , suitable for color correct judgment.but metal halide light only 52 Ra , sometime make people got the wrong object's original color. Use led corn light instead of metal halide lamp , people don't have to worry about this situation.

Lifespan
Lifespan of Led corn light more than 50000 hrs, People do not frequent replacement lamp.although the price of led corn light more expensive than metal halide lamp , can save postage back. And reducing the trouble of replacement lamp.

LED corn light compare with Metal Halide light, LED corn light have more advantages. LED corn light is famous for green ,environment protection and energy-saving. Driven by dc power supply, no stroboscopic driven by dc power supply, no stroboscopic, for children, young people have the best eyesight protection. 

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