The verdict
A single color A19 bulb, now discontinued. Its white light is excellent (CRI 93, Rf 93), it dims down to 5.7 lm, its warmest white is 2767K, and I measured no flicker risk.
It does not get very warm, so it is a weak choice for the last hours before bed.
CRI 93 · Rf 93
Averaged over its warm, neutral and cool settings. #12 of 119 bulbs.
Down to 5.7 lm
Brightest white 725 lm. #45 of 119 bulbs.
Warmest white 2767K
mel-DER 0.46 at that setting. Daylight is 1.0. #117 of 119 bulbs.
No risk at full, no risk at half
Graded against IEEE 1789.
Full brightnessHalf
The white settings
Its one white setting, measured at full brightness.
How colors look
At the selected setting. The red line pulls out where colors get more vivid and pinches in where they dull.
Flicker
Measured with a flicker meter at full and half brightness.
FullHalf
Where it ranks
All 120 bulbs. Left dims lower, up renders color more truly. Tap a dot to open that bulb.
This bulbOther bulbsHigh flicker riskDiscontinued
Beat it on both
Still sold, dims lower and has truer color, without high flicker.
GE Cync CLEDR309CDENCRI 93 · 0.7 lm · BR30 · $25Similar bulbs
Still sold, same E26 base.
Setup and specs
- Color mode
- Single color
- White range
- 2750K
- Shape
- A19
- Base
- E26
- Dimming curve
- Logarithmic
- Max power
- 8 W
- Weight
- 111 g
- Firmware tested
- 3.90
- Tested
- Jun 15, 2024
- Features
- Power-loss recovery


