XtremeVision vs RacingVision 🤔

Kabana

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I'm comparing the Philips XtremeVision Pro 150 vs the RacingVision +150%


XtremeVision

https://www.philips.co.uk/c-p/00567028/x-tremevision-pro150-car-headlight-bulb

https://www.philips.com.au/c-p/12342XVPS2/x-tremevision-plus-headlight-bulb


RacingVision

https://www.philips.com.au/c-p/12342RVS2/racingvision-car-headlight-bulb


Apart from life hours of 540 - 600 vs 200, what's the difference?


Is the XtremeVision really an unadvertised hyper long-life bulb or a second generation Gforce +130% bulb which has similar life at 450 hours?

https://www.philips.co.uk/c-p/12342XVGS2/x-tremevision-g-force


XtremeVision, RacingVision, Gforce comparison


https://www.philips.com.au/etc/phil...=CONSUMER&ctn=12342RVS2,12342XVPS2,12342XVGS2
 

-Virgil-

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It's difficult to squeeze any good juice out of this bag of apples. The first two links appear to be the same product marketed differently in two countries. The "X-tremeVision G-force" link has pictures showing two very different amounts, depths, and patterns of blue tint on the glass. And that last link, the comparative one, is a mess. Three H4 bulbs, OK. Wattage: one listed as "55 W", one as "60 W/55 W", and one as "55/60 W". Useless; 60/55w is just the nominal wattage of an H4 bulb at 12.0 volts, as per UNECE Regulation 37. Color temperature: two are listed as "Up to 3500K", one as "3500K". I guess this refers to the fact that two of them have a light-reducing/color-increasing blue band around the high beam. Lifetime: one listed as "200 hrs", one as "600 h" and one as "450 hrs". Useless! What is that, is it B3? Tc? B50? For the low beam or the high beam? At what voltage? Lumens: one is listed as "1650 lm", one as "1650 +/- 15%" and one as "1650 +/- 15% / 1000 +/- 15% lm". Useless! 1650/1000 +/- 15% is just the nominal output and allowable range for an H4 bulb at 13.2 volts, as per UNECE Regulation 37. These "specifications" tell us nothing useful or reliable about these bulbs, individually or comparatively. It would take careful, appropriately-done 3rd-party testing to be able to legitimately compare and rank these bulbs.

I'm still sticking with the Tungsram Megalight +120. Of all these high-plus bulbs, it's about the only one with no blue tint in the light path.
 

Kabana

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60/55w is just the nominal wattage of an H4 bulb at 12.0 volts, as per UNECE Regulation 37.
Lumens: one is listed as "1650 lm", one as "1650 +/- 15%" and one as "1650 +/- 15% / 1000 +/- 15% lm". 1650/1000 +/- 15% is just the nominal output and allowable range for an H4 bulb at 13.2 volts, as per UNECE Regulation 37. These "specifications" tell us nothing useful or reliable about these bulbs, individually or comparatively.
Yep totally agree with your assessment.

Philips sloppiness is down right deceptive with there lack of and incorrect info on their webpages - have seen almost as bad with Osram.

TBH its six of one and halfa dozen of the other with the bulbs I have mentioned.

As far as the MG 120, I understand why its a good all round bulb for the low and high beam. As for me I will be upping the V wit the main priority the low beam, so the more precise low beam of the Philips RacingVision 150 - 200 is likely to produce better results.

Also your Interesting headlight bulb test results should be a sticky. Do you remember from back then if the Philips HB2 + H4 Xtreme Power 9003XP you tested was a the XP +50, +80 or +100?

Moderator EditPared down quote
 

-Virgil-

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Good idea, that thread is now a sticky. The XP in those tests was a +80, the gen1 XP.
 

Kabana

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Jul 26, 2021
Messages
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Virgil since your Interesting headlight bulb test results is now going on some 7 years later, would you consider adding some of the other data like luminous flux?
:unsure:
 

-Virgil-

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The luminous flux data from that set of tests was not released for publication. It's not really very important, either; any legitimate H4 is going to produce 1650/1000 lumens, +/- 15%, at 13.2 volts. Aside from the nerdy desire to know (which I will completely admit to sharing!), luminous flux off the bulb isn't anywhere near as practically useful as the kind of beam photometry data shared in that linked thread. Putting different bulbs in a given headlamp (or several given headlamps) allows to see the real, effective performance differences between the bulbs -- a combination of luminous flux, luminance, focal and positional accuracy, and so on.
 

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