Google Pixel Watch 2 : Independent Scientific Review (2024 retest)
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- čas přidán 31. 05. 2024
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Reference devices:
ZMax + Dreamento: www.biorxiv.org/content/10.11... & github.com/dreamento/dreamento
Polar H10: pubmed.ncbi.nlm.nih.gov/31004...
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Timestamps:
00:00 Quick Intro
01:15 Heart Rate Test 1 : Indoor Cycling
05:47 Heart Rate Test 2 : Running
08:37 Heart Rate Test 3 : Outdoor Cycling
11:23 Heart Rate Test 4 : Weight Lifting
12:24 Heart Rate Test 5 : Female Test
16:44 Sleep Test
20:53 Sleep Test : Comparison w/ Other Watches
22:59 GPS Test
26:30 Limitations
26:53 Recommendations & Conclusions
The Google Pixel Watch 2 continues impressing in 2024, even after testing it for several months. However, compared to my initial review, I have encountered some issues, and today I’ll share all those findings with you. We will systematically test the Pixel Watch 2 on myself for heart rate tracking during different exercises, compare the sleep tracking against EEG and also take a look at the GPS tracking.
The Pixel Watch 2 has a bunch of new sensors, which are supposed to make it better than the original Pixel Watch, but is this actually true? That is what we will test in this video. I tested the Pixel Watch 2 when it came out, and I was generally very positive. In the meantime I have tested it much more thoroughly, comparing it against a sleep EEG device for 12 nights and testing the GPS consistency over 10 bike rides. However, I want to start off by testing the heart rate tracking performance, which I tested during a total of 56 workouts on myself and for 13 workouts on Theresa. And to get a fair set of data, I also retested the original Pixel Watch.
OK, with that out of the way, what do I think of the Pixel Watch 2. Well, I am actually quite happy with how it performed overall. It performed quite well in all the different categories that I tested it in, and seems significantly better than the Pixel 1 in terms of heart rate tracking. It was generally amongst the top performers for heart rate and sleep, though not the actual top performer, which is still the Apple Watch. However, for Android users the Apple Watch is not an option, so the Pixel Watch 2 is quite a good alternative. I personally think the design is not that great for men, and I would have preferred for it to be a bit bigger, but that is very subjective of course. Also, the way Fitbit software is integrated into the watch feels a bit messy, and it doesn’t feel like an integral part of the watch. It is unclear for instance when looking in the menu if you should work out with Fit workout, which seems to be part of Google Fit, or Fitbit Exercise, which is part of Fitbit. But ignoring all that, and just focussing on the health and sports tracking, the Pixel Watch 2 is one of the, if not the, top contender on Android. So, if that’s what you are looking for, I can definitely recommend it. So overall for sports and health, I’d give the Pixel Watch 2: 4 out of 5 stars. - Věda a technologie
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It would be very useful if you could at the end of each video give us a short information about your future plans, e.g. which watches are you planning to test next. Also I am very happy that you started including Teresa results more frequently.
Great idea man!
Thanks for the idea! And I’ll try to keep including Terry (Theresa), but it also takes effort from her
Purchased an PW2 following your review last year - I've enjoyed it! Just wish that battery was a little stronger.
I had a gw5 pro, but sometimes hr tracking didn't feel much accurate + the watch is heavy, so i bought a 2nd hand pw2 for around 160. I'll compare them and keep the most accurate
how long is the battery life?
@@cb-at I get a day comfortably, charges up pretty quick while I'm having a shower but if I forget it's pretty much done.
i'm a fan of huawei-warches - they are running for 10 days...@@1997dob
Happy to hear I helped in a small way 😊. Thanks for commenting!
Rob I was really happy to see the indepth review of the Pixel Watch (PW) 2 and I especially appreciated the comparison to the PW1. I still have a PW1 but was glad to see just how improved the PW2 is. Nice to see compassion with Theresa too (Thanks!). Keep up the fantastic work!
some insights on new Galaxy fit 3 would be really helpful
Thank you for the review! Please also review the oneplus watch 2, people are saying it's vastly improved over the first generation and it's generating a lot of buzz right now for its 100 hour battery life
I'm just looking for a watch that can track my heart rate as accurate as possible while weight lifting. And I've found your channel. This is just perfect, thanks so much
Is one plus watch 2 in your plans
Absolutely need this one! I have one (+ lol) on the way right now. So far according to an average of a few reviews it seems to overcount steps but the heart stuff and sleep seem on par with everything else aside from probably the highest tier Garmins and stuff like that.
I would like to buy it but only if sleep tracking is on par with the top watches@@VibnWavez
Thanks for the video Rob. Waiting for the ulrtrahuman ring review please ! Keep it up.
Thank you for the update! I got PW2 after your first review and I'm quite content with it.
Hey I really like your videos and I was wondering if you are planning on reviewing the Withings Scanwatch 2 or any other of their new devices?
Thank you for your data and analysis! I'm interested in the pixel watch 2 but I was wondering if you plan on reviewing any newer withings watches? Their design are really great but the accuracy was not there on what you tested. I'm surprised since apparently they have gone through clinical trial regarding heart rate(?) but it might be only a static heart rate.
Anyway great job!
@TheQuantifiedScientist I'm missing an essential comparison: heart rate monitoring throughout the day without activating sport mode. It would be insightful to see how accurately devices like the Apple Watch, Pixel Watch, etc., track heart rate passively.
For instance, Pixel claims to measure heart rate every second. This specific detail is something consumers often struggle to find with other brands.
Given that passive monitoring constitutes the bulk of a smartwatch's usage throughout the day, it would be fascinating to see how these devices compare. Pixel provides a claim here but lacks a comparative context.
Thank you for the deep review of the Pixel Watch 2 🎉!
Thanks for the update!
Thanks for this longer review video! I bought the watch based on your preliminary review, so I appreciate seeing more data on it now.
Thank you for this update!
love your work! it would be great if you can review the OnePlus Watch 2 as well, it looked amazing
Hello Rob. Great work. Will you be testing the oneplus watch 2 soon.
Boy, what amazing reviews... you are doing a wonderful job, thank you so much!
A long awaited for this review! Thank you Rob! I have an Apple Watch and a Google pixel watch 2 and I love both! happy about how they perform very similarly!
Happy to hear you have a positive experience 😊
Hello Rob, I am considering a Samsung fit 3. Are you currently testing that device?
I have the same question. Although if i were to hazard a guess, the fitness tracking accuracy of the Fit 3 would at best be at par with the Watch 6, and his review of Watch 6 isn't very promising.
@@subho9000 thanks for the input !!!
I was on holiday for some weeks, but back now and ready to test it
Fantastic reviews as always.. truely top notch with rigorous, consistent testing.
I really find the time stamps on your videos to be very useful, much appreciated
Glad you like them!
thanks for the review. i think i will be trying out google ecosystem this year. currently on iphone and apple watch but would love to try out pixel 9 pro and pixel watch 3 now that pixel watch 3 is on par with apple watch in health/fitness tracking
Hey, would you consider testing Huawei Watch 4 / 4pro? Huawei smartwatches are pretty high on your diagrams in case of health, and i'm wondering how is watch4 comparing to other watches. As always, great video!
Can you please review the OnePlus Watch 2?
You need more subs!! The quality of the content is so high
Man I have been watching videos trying to shop for a watch and they are all the same. Just reading me the spec sheet. Thanks so much for what you are doing.
Thanks Rob! Please review the Garmin FR 165 next ❤
Hello! Please kidnly advise which watch to choose if i would like round one with at least 5-days working battery? Thank you in advance!
Hi, do you think you will be doing a review of the OnePlus watch 2?
Are any of the Masimo trackers in your upcoming plans? I know it doesn't have sleep tracking but would like to know what you think of the other features they provide. Thanks and love the videos!
Great videos as always you're so intelligent it's insane. I wonder of the one plus watch 2 has similar results?
I just got my yesterday and I love it. I came from a Fitbit Sense 2 night and day let me tell you. My wife got the apple watch series 9. She loves it. But in my opinion the blue pixel watch 2 looks fly. So glad I made the switch
Have you considered testing the Garmin HRM chest strap against the Polar one that you use? I would be curious to know if there is a difference between the two and which one you like better.
Too bad Battery Life is not Measured in WEEKS or DAYS...and not HOURS. Until that changes I'll stay with the Fitbit Charge 6 and Garmin Vivoactive 5. If you're on Android and live in the US these seem like two very logical choices for the $$$. But if Google can get their Battery Life problem solved I would definitely consider a future Pixel Watch. Great video as usual Rob.
I take the accuracy of heart rate and sleep tracking along with smartwatch features over battery life. I had a Fitbit Sense and battery life was nice but I honestly don't miss it since the Pixel Watch 2 charges quickly and I do a top off while getting ready in the morning and at night. 20 minutes, give or take.
@@eezeepee In 2024, if you have an Apple, Garmin, Fitbit, Pixel, Samsung, etc...we're now down to those last percentages of accuracy. Increasingly it's depending more on each individual's personalized fit to the sensor on their wrist...as we continue getting closer to the point of diminishing returns. Rob is now seeing this more and more as his GF increasingly sees different/better results using the SAME smartwatch.
The Pixel Watch 2 is an excellent smartwatch no doubt, if you're OK with charging it once per day or multiple times a day that's great. But once you get used to charging once a week...it is hard to go back.
@@mboikoI have to second that. Everything is going to be more than accurate enough for general users. If any of us were really that serious, we'd have those $1000 Garmin upper tiers or Polar straps or other medical grade stuff.
The One Plus Watch 2 also looks to have just completely demolished everyone with a fully smart Wear OS but lasts 4+ full days AND has super fast charging that only takes 10 mins for another full day or only 30 mins to completely full charge.
I have a suspicion the PixelW 3 will probably use a similar hybrid twin OS + twin chip setup.
Curious about your experience with the Fitbit charge 6. I have the Samsung Galaxy watch 6 classic and I keep UI and the finished tracking is terrible. Looking at a charge 6 for about $90 new one day to wear as my fitness band
@@Thefastlane425 You definitely want to watch Rob's video on the Fitbit Charge 6. While each person has of course different requirements, for just $90 I would say it has the BEST Cost/Performance/Accuracy out there...plus 1 week of battery life..
Thank you so much for going inti so much depth. Would you advise purchasing a brand new version of this watch to ensure the sensors are accurate or do you think you could get away with buying a used model? I guess this question stands for all wearable health trackers.
Excellent and detailed review... thank you for all the hard work you put into your reviews.
Great video!!! Can you please test galaxy fit 3 next, been checking your page daily for it😭
Could you please test the Withings Scanwatch 2?
Please make a video about Redmi watch 4 .. and how does that compare with huawei watch fit 2 . Is very important for budget people.
Is there a graph of devices you can share showing the accuracy of awake time compared to reference devices? 🙏
I'd like to know for the purposes of informing users with circadian rhythm disorders who might want to track their wake/sleep times more accurately or easily (via sleep detection) at home.
Excellent video! I've become a bit of a Pixel Watch convert and have enjoyed getting fit/losing weight with the help of the Fitbit environment -- I now trust it more than I did the system on Ticwatch Pro 5. Now I have the Pixel Watch 2 with better battery/faster charging, topping it up once a day for 30 mins before bed is no hassle. I now fin it the most comfortable and "smartest " of fitness trackers. Just a point on your comment re Fitbit integration - I assume that you have manually installed the Google Fit apps on the watch since they are not their on either of my Pixel Watch 1 or Watch 2. Can't be confused if they are not there. The only issue I have found with my Watch 2 is the GPS cutting out completely at random midway through a tracked exercise - all the rest of the metrics are recorded correctly, the GPS track and altitude tracking just randomly stop. I'm currently in comms with Fitbit/Google to try and work out if this is a hardware/software fault. It seems from the internet that I'm not the only person experiencing this issue.
Same here brother great watch but gps is very hit or miss especially for indoor joggs
@TheQuantifiedScientist I am still experiencing the GPS tracking issue on this watch, it's just stopping tracking at a random point during my tracked walk. Google Support has just passed me on to FitBit support as it's an "exercise tracking" issue - have to say the experience of FitBit support has been pretty poor so far - they just closed my case as they'd "not heard from me for a while" even though I was waiting for a response from them on what they are doing about the issue! Is this something you have experienced or heard about elsewhere? I'm wondering if this is actually a hardware issue as I never experienced this with Pixel Watch 1 (or any other smartwatch I have used from Samsung, Mobvoi or Huawei). Starting to get VERY annoying!!
Could you please review some of the newer Casio GShocks, GBD H2000 or GPR H1000. It could be very interesting, how good or bad the big and tough watches for fitness are. Thank you for your amazing professional reviews.
Hi, Rob. Very, VERY surprised by the massive dropoff in HR accuracy of the PW1 in the indoor cycling. One year ago, you yourself said this was one of the best performers that you had tested, trailing (basically) only the Apple products. Now, one year later, it's dropped to a .70??? This has to be an error, either user or the watch itself Any way to help us understand this major discrepancy? Thanks!
Thanks once again Rob. Another great in depth review
😁
Hi my friend, It hasn't been long since I saw you, I still watch your videos. I am waiting for a detailed review about HUAWEİ WATCH ULTIMATE from you. You can make the best of it.
Hi, I am wondering if you are planning to check Samsung Galaxy Fit 3 - the battery life of this band is trash, but maybe it accuracy would be the reason to buy it?
Hi Rob, excellent analysis. Subscribed! :3
By the way, do you have a website where you post the graphs? Sorry if I'm missing any obvious links!
Great to see an update on how the Pixel Watch 2 has been updated over the last month.
Really looking forward to your tests of the new OnePlus Watch 2!
Damn son! This is one of a kind niche channel. Keep up the effort 🎉
Great level of analysis. Do you have an evaluation of the step counter in the Pixel Watch 2 when compared to other watches? Does anyone evaluate step counters on Wear OS smart watches?
Can you please do Redmi Watch 3 Active test? I have one but i don't know if its actually accurate
Thank you Rob for the reviews! It seems that Android is at least trying to get at Apple levels. Let see how it ends.
I was wondering, have you ever considered reviewing hybrid smartwatches? They combine some functionalities of the smartwaches with the looks of the traditional watches. Some brands that are manufacturing them are Festina, Lotus, Fossil, Withings or Skagen.
Thank you again for your detailed reviews!
Hello, I have a question what is the best watch for less than 50€?
Could you Analysis body composition like galaxy watch does it really detect correct fat and muscles measurements?
Hello, will there be a scientific review for the Redmi Watch 4 Global? Thank you! Hope you will make a video about it. 👏🏻👏🏻👏🏻
Hi Rob!, Im looking forward to see your impression on the Galaxy Fit 3 band...I think is already available in Austria! ;)
Rob, can you do a comparison between Oura, RingConn, and UltraHuman Ring Air? Thanks in advance if you ever do!
Please review Samsung Fit 3 and OnePlus Watch 2. It'd be really helpful to see where they stand and whether they are worthy at their price point or not.
I can't wait to see your review of Galaxy Watch Fit3
hi there, can you test the oneplus Watch2?
Really happy to see you doing God's work and analyzing the quality of the sensor and algorithm. It's something we can't tell except to buy and be disappointed.
Thans so much 😊
Did pixel watch 1 and pixel watch 2 used the same algorithm in your testing? Thx!
Do you publish your results somewhere ? like an excel sheet etc ...
Kindly do a review on galaxy Fit 3. Thank you
You can change the fitbits sleep tracking from normal to sensitive in the settings. I dont know if that would make it more accurate. Anyway love these follow-up videos
I didn't find it? Can you please help me get to those settings?
I forgot to add, your reviews are great. 👍
Thank you SO much! ❤
*Sir, When is the Samsung Galaxy Fit 3 deep evaluation and comparison coming ?*
I've been using whoop for the past 5 years but lately i have the feeling that it's really not worth the price considering that many smart watches offers very similar performance for much cheaper. I might change for the Google Pixel Watch 2 since i'm using pixel 7. Thank you for this review!
This matches with my experience, compared to H10 the pixel watch 2 is good enough for me. Thank you!
Love that you did a retest especially since the initial review was very small sample size. 😊
How about the Withings Scanwatch 2?
Why does the Galaxy Watch 4 (that was better rated than the GW 5&6) not appear in your graphs anymore ?
Waited for this so long
great video as usual! please review scanwatch 2!
Please do videos on the oneplus watch 2 and xiaomi watch 2 pro
Can you make Tests for Galaxy fit 3 which was just in the market brougt. Thank you for your efforts.
I tried to wait for this video before buying my Pixel Watch 2 but, NGL, I couldn't wait. I'm happy with the device so far. My main worry is its battery life, and how much it consumes whilst tracking workouts. BTW, Have you explored the differences between the "Weights" and "Weightlifting" modes? Great video!! Cheers!!
Another thing that concerns me is not knowing how accurate is the step counter (the phone (Google Fit app) counts different, but also I don't always carry my phone at all times), as well as the calorie consumption estimation, which I'm aware all devices over-estimate the calories burned but I'd like to see an option to change it so it's closer to a reasonable number.
You should make a video comparing software on the smartphones, which has the besg health tracking metrics? Same with their respective mobile apps. What about price? Which gives best bang for your buck?
Please make one video on galaxy fit 3 as it is a budget friendly watch
Hey Rob, can you help diagnose why Deep sleep is barely detected with the APple watch but it is consistently detected with other devices like Garmin for many users?
I bought a Huawei GT3 Pro looking at your videos and I'm more than happy! The battery life is amazing. I got the device on tuesday and still have 53% even though I did a software update and continues heart tracking is enabled.
Where did you purchase from?
Could you also test galaxy fit 3 please?
Many thanks, Rob. You have validated my purchase.
Happy to hear that!
Please review the new Garmin Forerunner 165..! Thanks
Amazing job! I hope u r going to test the new Oneplus watch 2👏
Hello, do you have plans on testing the ultrahuman ring?
Great video! I hope samsung feel the competition from google pixel and upgrade their smartwatch! Lol... Also, if u do Samsung Galaxy Fit 3, compare it with Huawei Band 8 :) it would be a great video!
These videos are certainly very interesting but I wonder how much can be extrapolated from them. For instance, the Apple Watches consistently perform at the top of all your tests, yet when I tried them they consistently dropped the heart rate signal so that I would have large chunks of no HR data during my activities, it was especially bad for weightlifting. By contrast, my Garmin FR965 performs reasonable well across all activities (chest straps are way better of course). So how much variability is there between individuals and between proper fits? No matter what I tried for example, I couldn’t get Apple to work (despite multiple bands and tightness levels).
Could you please review the new Galaxy Fit3?
will you do new samsung fit band 3?
Could you test the new Xiaomi devices? Great video as always
Very happy to see a great leap for android smartwatches!! Thanks for keeping us consumers well informed on new smartwatch tech! Really appreciate it!
More to come!
Huawei watch GT3PRO have new update Harmony OS 4, you can retest?
It would be nice if you could share the list of the best 10/20 watches you have tested ✌️
I'd love to see a video about the accuracy of the ultrahuman ring!
please test the xiaomi watch 2 pro and oneplus watch 2
I absolutely love the retesting concept, acquiring Fitbit is working wonderfully for Google, let's see if they match with apple when pixel watch 3 comes!
Are you serious? I like the Pixel Watch 2, but I wouldn't buy it again because of Fitbit.