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Speed test: HTC U11 vs Galaxy S8+ vs 2017's other top smartphones

We've just done our full review of the HTC U11, and we've come to the conclusion that HTC's latest and greatest is a true rival of the Samsung Galaxy S8. But, how does it stack up against the S8, and other top flagships of the moment, in terms of real life performance? To find out, we've done a true to life speed test with each phone, launching apps side-by-side to show how they perform. Check out the video and results.

We've designed our speed test to find out which phones perform the fastest in real life situations. For this race, these top flagships were chosen: the Huawei P10 Plus, the Sony Xperia XZ Premium, the Samsung Galaxy S8 Plus, the HTC U11, the LG G6 and the Google Pixel loaded with the Android O Beta. To make it as true to life as possible, we've used a benchmark called DiscoMark, which opens a custom series of apps multiple times. We chose apps that normal users might use everyday: Google Calendar, the default camera app, Chrome, Facebook, Gmail, Instagram, Google Maps, Facebook Messenger, Google Photos, Spotify, Twitter and YouTube. Then, we placed each phone side-by-side and launched the tests simultaneously to see which loads the fastest. To ensure consistency, we prepared the phones beforehand by factory resetting each phone, installing firmware and app updates, standardizing the display brightness settings, plugging the phones in, then finally restarting them. Watch the speed test in action in our video below!

The speed test results

Taking first place, three phones finished less than one second apart. These were the HTC U11, Huawei P10 Plus and Google Pixel with the Android O Beta. Four seconds later, in fourth place, were the Samsung Galaxy S8 Plus and Sony Xperia XZ Premium, which finished within one second of each other. A full five seconds after that, the LG G6 came in last place.

The results of our speed test show that the two 2017 flagships with the latest Qualcomm Snapdragon 835 processors, the Xperia XZ Premium and the HTC U11, and the Galaxy S8 Plus with the latest Exynos 8895 processor from Samsung, beat the phone with the old Snapdragon 821. The LG G6, despite being launched around the same time as these phones, has the Snapdragon 821 processor and unfortunately lagged behind all the other phones in the test. Despite it being older (released in 2016), we also tested a Google Pixel with the same 821 processor, and it managed to beat the G6, the S8 Plus and the XZ Premium. This result was likely due to the Pixel running the optimized Android O Beta. All the other phones in the test were running either Android 7.0 or Android 7.1.1. The Huawei P10 Plus, which packs Huawei's own HiSilicon Kirin 960 processor, also finished with the top. With 6 GB of RAM, 2 GB more than all the others, that's no surprise.

Technical specs and benchmark results

  Huawei P10 Plus Sony Xperia XZ Premium Samsung Galaxy S8 Plus HTC U11 LG G6 (US) Google Pixel
Release date February 2017 February 2017 April 2017 June 2017 March 2017 October 2016
Processor Kirin 960 Snapdragon 835 Exynos 8895 Snapdragon 835 Snapdragon 821 Snapdragon 821
RAM 6 GB 4 GB 4 GB 4 GB 4 GB 4 GB
Android Version Android 7.0 Nougat Android 7.1.1 Nougat Android 7.0 Nougat Android 7.1.1 Nougat Android 7.0 Nougat Android O Beta
PC Mark Work 2.0 (2.0.3710) 6084 6338 5094 6788 5104 5666

We've also run a separate benchmark test on each phone. PC Mark's Work 2.0 performance benchmark is similar, if only in spirit, to the DiscoMark test we conducted, as it is based on common, everyday tasks. The phones with the highest scores, the HTC U11, Sony Xperia XZ Premium and Huawei P10 Plus, don't necessarily correspond to those that performed best in our speed test or in other benchmark tests. That's because there's no single benchmark which can accurately quantify how a phone performs in everyday life. There's no substitute for hands-on experience, which is why doing in-depth reviews is essential for evaluating smartphones. Still, speed tests and benchmarks like these can help enrich our understanding of how smartphones fare against each other and illustrate what it's like to use a phone in everyday situations. If you're considering buying any of 2017's top smartphones, we hope this helps you make a more informed purchase.

Were the results what you expected? Would you like to see more speed test videos in the future? Let us know in the comments.

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  • Madars G 4 months ago Link to comment

    I dont believe any banckmark shit every time it shows different score. And I know that HTC can't beat up S8


    • John Kerr 4 months ago Link to comment

      Benchmark scores don't mean much unless you see a Snapdragon 830 device come up well short of other SD830 devices - as was the case here.
      So obvious that it's really suprising they released those scores. They'll probably blame the sample GS8+ they were given... knowing full well it's already neen sent back. Again - BS.


  • John Kerr 4 months ago Link to comment

    Calling bullshit on your PC Mark test. Just for grins I downloaded PC Mark and Work 2.0 and ran the test on my GS8+ because something seemed off on your Galaxy S8 + score. I got 6315. What did you do to F-up the score so badly in the GS8+ test?
    And what did HTC give you to do it?


  • HTC whacks Samsung. Woo-hoo.


  • John Kerr 4 months ago Link to comment

    I suspect they ran every benchmark they could find until they found a score they liked.


  • This Benchmark Testing is pretty useless. Fractional speed differences navigating between apps doesn't matter much to me. What I want to see is how these phones do running Leading Edge #Tango #AR & #Daydream #VR apps! Wait; You mean some of these phones are neither Daydream or Tango Ready!? Try again with phones that are and maybe I won't summarize my reaction to your review as #Fail!


  • storm 4 months ago Link to comment

    Meaningless until we know their clock shenanigans. I believe that they all have a history of cheating benchmarks


  • Doug D. 4 months ago Link to comment

    Not surprised. Samsung's abundance of features and endless duplicate apps mount up and take a toll on speed.

    What's worse is that the speed toll is typically not much, initially, but a few months to 6 months later becomes more and more prominent, and even more so when you get to the 1 year mark.

    Oh, I'm not a Sammy hater, either. This comment was posted from my Pixel XL running the Samsung internet browser with excellent native ad blocking. Very fast. I switched from the Samsung internet beta today to the normal Samsung internet browser with it's new availability for some devices.


  • The pixel was added but no OnePlus 3T...


    • Reg Joo 4 months ago Link to comment

      That is a big omission. Being first with new stuff , the s8 let the other phones catch up, and in some ways surpass it's performance, when the other mfgrs knew what they were up against for 2017.

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