Hue GU10 Review

General Information

ID #278
SKU 9290002617
Series Hue
Manufacturer Philips (other LEDs from Philips)
Fitting Type GU10 (other GU10 LEDs)
Light Type Downlight (PAR)
Height 72mm
Diameter PAR16 (50mm)
Weight 99g
Warranty 2 Years
Test Date 2014-05-28
Review Notes Light measured based on default start-up settings. No wireless bridge was available at time of testing so dimming performance was not tested. Claims dimming from 5%-100% brightness using Philips' Zigbee Light link based wireless bridge. Not compatible with other dimmers. Claimed maximum lumen output of 250lm@4000K, 6.5W. 6.5W maximum operation power, 0.45W maximum standby power. Claims 16 million colors. Claims CRI>80 from 2000-4000K. Flicker frequency ~= 1kHz so flicker is so fast as to be imperceptible. Carries CE approval label. Wireless bridges can be purchased as part of 3 bulb starter kits for an eye watering $300USD.
Price $84 (USD) from Apple Store on 27th of May 2014


LED Specifications

Claimed Measured Compared To
Watts 4W 4W @ 243V 50.2W @ 242V
Yearly Running Cost[?] $0.88 $0.88 $10.99
Lumens 195 lm 206 lm 498 lm
Efficiency[?] 49 lm/W 52 lm/W 10 lm/W
Lumens/Purchase Price 2 lm/$ 2 lm/$ 144 lm/$
Power Factor[?] N/A 0.57 1
Color [?] Warm White, 2700K Warm White, 2729K Warm White, 2737K
Angle[?] 38° 39° 33°
Dimmable Yes, Integrated N/A Yes, Leading or Trailing Edge
CRI (Color Accuracy)[?] 80 90
Life 15,000 hours Not Measured 2,000 hours
Min/Max Voltage 220V / 240V 220V / 240V
Min/Max Temperature N/A / 40°C N/A
Measured Temperature 55°C @ 25°C ambient
131°F @ 77°F ambient
192°C @ 25°C ambient
378°F @ 77°F ambient
Flicker Percent[?] 84% 9%
Flicker Index[?] 0.356 0.029


Link to manufacturer specifications at time of testing



Distribution Graph

Angle: 39° (±19.5° from bottom), Maximum lux:

Graph notes: Shows the intensity of the light when viewed from different angles. Normal omni-directional globes have a fairly constant output all the way around (excepting directly above). Downlights have a narrow range at the bottom in which the light is emmited, this determines their angle.


Spectrum Graph

Representation of color spectrum

Graph notes: Shows the breakdown of the LED light into its component colors. With short wavelength ultraviolet on the left and long wavelength infrared on the right. The green line represents the relative absolute strength of the light at each frequency, while the red line represents what the typical human eye would see. The human eye is most sensitive to green light, but much less sensitive to purples and deep reds.


Flicker Graph

Graph of measured flicker

Percent: 84%, Index: 0.356 (lower is better in both cases)

Graph notes: Shows variation in light output over 1/10th of a second, with relative light output on the Y axis and time on the X Axis. Measured with a photodiode connected to an Oscilloscope. Ideally the yellow line should be flat. Low frequency high amplitude waveforms mean there is a possibility of noticeable flicker, but sensitivity to flicker varies between people. [More details about LED flicker]


LEDs in this Series

Name Price Watts Lumens Efficiency Color Angle Fitting
Hue A19 bulb $70 (AUD) 5.7W 439lm 71lm/W Warm White, 2658K 169° E27
Hue GU10 $84 (USD) 4W 206lm 49lm/W Warm White, 2729K 39° GU10


Disclaimer: While every effort has been made to ensure the accuracy of these results, each measurement carries an inherent degree of uncertainty and error. Safety and EMC compliance of products to regional or international standards have not been verified unless noted as an ENERGY STAR® LED Lighting Facts, or SSL Quality Scheme certified product. Retailers and importers selling unmarked or unapproved electrical goods can be fined or imprisoned. Mains supplied downlights require installation by a licensed electrician.