Which bulb is brighter?

The FC8T9 is brighter at 1,050 lumens versus 910 lumens for the Daylight Deluxe. That is roughly a 15% difference, noticeable in a small room but modest overall.

Only the Daylight Deluxe publishes a lifespan: 12,000 hours. Philips does not list a rated life for the FC8T9, so there is no figure to compare.

Will either fit my fixture?

Both use the same G10Q 4-pin base and T9 circline shape, about 8 inches across. If your fixture takes a 22W T9 circline, either bulb should fit.

Which is better for a bathroom?

The Daylight Deluxe is the safer pick for bathrooms and laundry rooms: 6200K daylight, CRI 79 and a 12,000-hour rating. Pick the FC8T9 if you prefer a less blue, brighter light.

Is the Daylight Deluxe worth paying more for?

Only if you want the daylight color and the longer rated life. No prices were provided, so check current store prices on Deal.ai before deciding.

Are these bulbs dimmable?

The Daylight Deluxe is listed as non-dimmable. Philips does not state dimming support for the FC8T9, so assume neither works on a dimmer.

Philips FC8T9 22W T9 G10Q 4100K Cool White Circline Fluorescent Bulb vs Philips 22W T9 Circline Fluorescent Bulb

Both are 22W Philips T9 circline bulbs on the same G10Q 4-pin base, so the choice comes down to color and output. The FC8T9 gives 1,050 lumens at 4100K cool white; the 22W T9 Daylight Deluxe gives 910 lumens at 6200K and is rated 12,000 hours. No prices were provided for either bulb, so compare live store prices on Deal.ai before buying.

Ask our shopping agent