Philips LED Non-Dimmable A19 Frosted Light Bulb

First off, I wish that Amazon wouldn't lump reviews of multiple products into a single rating. This listing is for 60W-equivalent Soft White bulbs, 60W-equivalent Daylight bulbs, 100W-equivalent Soft White bulbs and 100W-equivalent Daylight bulbs, but you often can't tell which product reviewers are writing about. Fortunately, I have experience with both the 100W Soft White and the 100W Daylight bulbs, so here are my thoughts:

100W Daylight bulbs -- These are indeed very bright, and I consider the 100W equivalent rating to be appropriate. They do provide the typical "blu-ish" light for Daylight bulb (though they are actually closer to pure white and Soft White bulbs are actually yellow), but anyone who is buying these should be aware of that.

100W Soft White bulbs -- I was a bit disappointed by these. I put these into multi-bulb fixtures right next to my older 60W-equivalent Soft White LED bulbs and the difference in brightness (if any) was minimal. I think it is probably a stretch to call the Soft White bulbs a true 100W-equivalent. Compared to the "LED A19/A21 Bulb, Hyperikon® 15.5-Watt (100-Watt Equivalent), 1620 Lumens, 3000K (Soft White Glow®), Medium Screw Base (E26), 340° Omnidirectional, UL-Listed, Dimmable" bulbs that I purchased around the same time, it is no contest. The Hyperikon bulbs are amazingly, incredibly, stupendously bright and subjectively feel like they are twice as bright as these Philips bulbs. (But note that the Hyperikon bulbs, even though they are listed as 3000K Soft White, are slightly less warm than the Philips bulbs. This could be a subjective impression since the Hyperikon bulbs are so much brighter.) On top of which, the Hyperikon bulbs are dimmable, whereas the Philips bulbs are not. The Hyperikon bulbs are slightly more expensive, but easily worth the minor premium.

THAT SAID, the true differentiating factor with the Philips bulbs is their size, weight and form factor. I haven't come across ANY LED bulb (and I have many, many different kinds) that so closely match the size and shape of traditional incandescent bulbs. For this alone, the Philips bulbs are noteworthy and worth considering. I have many legacy fixtures that most LED bulbs simply don't fit into. These Philips bulbs fit them all, and they are fairly light to boot. The Hyperikon bulbs that I praise above give off great light, but they are considerably larger than the Philips bulbs and would have no change fitting into many of my lighting fixtures.

Hope this helps.

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The old ratings were designed for incandescents, so all the modern LED bulbs were getting absurd ratings like A+++, so they just changed the scale to make it harder to get the A rating. Basically C is the new A++. So you can't compare the old scale and the new scale.

Of course, this means the previous labels on your fixtures that said "do not use bulb below class C" no longer mean anything. But these labels were meant to prevent you from using incandescent bulbs in fixtures made of plastic that wouldn't tolerate the heat, and there are no more incandescent bulbs, so who cares.

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The useful thing about this regulation is they made it mandatory to specify the light output in lumens. So you can look at how many lumens it outputs, look at the power, divide, and you get the efficacy in lumen/W.

Now you may ask, why is the efficacy in lumen/Watt not what is printed on the box instead of useless "ABC" ratings? Well, it's brought to you by the same bureaucrats that give my gas-guzzling V6 a better pollution rating than my high mpg diesel, lol.

Note luminous efficacy of LED lightbulbs is not relevant unless you have a very large number of them. If you upgrade a bulb from a 13lm/W 60W incandescent to a 100lm/W 8W LED, both output about 800 lumen, and you save 52 Watts, and it does add up. But if you upgrade that 100lm/W 8W LED to a 200lm/W 4W one, you only save 4 watts.

IMO it's better to focus on quality: no flicker first, then higher color rendering bulbs which have a bit lower efficacy, but they are absolutely worth the extra watt. If you like the color rendition of halogens, the 3000K CRI90 spots from Osram are a nice match.

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