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BrandPhilipsXnovumOsramGirard Sudron
ModelLED 50W MR16 WW 36D D 1SRT4LCC Spotform MR16LED STAR MR16 5036° 7,2W/827 GU5.3Spot LED 5W GU5.3 4000K 335Lm 70° Dim. Ch.
Other models 38°LED STAR MR16 5036° 7,2W/840 GU5.3 
Electricity costs(€ in 15 years)21152215
Energy classA+A+A+A+
Luminous flux (lm)621430621420
Power (W)757.25
Lumens per watt (lm/W)89868684
Equivalent power (W)50 5030
Lamp life time (h)15'00035'00015'00035'000
Switching cycles50'000 100'000100'000
Dimmableyesyesnoyes
Warm whiteyesyesyesno
Countries availableon demandon demandon demandon demand
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BrandOsramPhilipsSylvaniaInefficient model
ModelLED SUPERSTAR MR16 5036° 7,8W/827 GU5.3LED 50W MR16 WW 36D ND SRT4RefLED Superia MR16 GU5.3 8W 621lm 827 40°Halogen
Other modelsLED Superstar MR16 50 4000K 3000 K / 4000 K 
Electricity costs(€ in 15 years)232424150
Energy classA+A+A+B
Luminous flux (lm)621621621680
Power (W)7.88850
Lumens per watt (lm/W)80787814
Equivalent power (W)505050n/a
Lamp life time (h)25'00015'00025'0003'000
Switching cycles100'00050'000100'00050'000
Dimmableyesnonoyes
Warm whiteyesyesyesyes
Countries availableon demandon demandon demandEU