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BrandPhilipsSylvaniaOsramGirard Sudron
ModelLED 50W MR16 WW 36D ND SRT4RefLED Superia MR16 GU5.3 8W 621lm 827 40°LED SUPERSTAR MR16 5036° 7,8W/827 GU5.3Spot LED 5W GU5.3 4000K 335Lm 70° Dim. Ch.
Other models 3000 K / 4000 KLED Superstar MR16 50 4000K 
Electricity costs(€ in 15 years)24242315
Energy classA+A+A+A+
Luminous flux (lm)621621621420
Power (W)887.85
Lumens per watt (lm/W)78788084
Equivalent power (W)50505030
Lamp life time (h)15'00025'00025'00035'000
Switching cycles50'000100'000100'000100'000
Dimmablenonoyesyes
Warm whiteyesyesyesno
Countries availableon demandon demandon demandon demand
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BrandXnovumOsramPhilipsInefficient model
ModelLCC Spotform MR16LED STAR MR16 5036° 7,2W/827 GU5.3LED 50W MR16 WW 36D D 1SRT4Halogen
Other models38°LED STAR MR16 5036° 7,2W/840 GU5.3  
Electricity costs(€ in 15 years)152221150
Energy classA+A+A+B
Luminous flux (lm)430621621680
Power (W)57.2750
Lumens per watt (lm/W)86868914
Equivalent power (W) 5050n/a
Lamp life time (h)35'00015'00015'0003'000
Switching cycles 100'00050'00050'000
Dimmableyesnoyesyes
Warm whiteyesyesyesyes
Countries availableon demandon demandon demandEU