System Performance

Another Snapdragon 845 device, another system performance section to dwell into. By now following the Galaxy S9 review and Mi MIX 2S review we should have some clear expectations of how the OnePlus 6 should perform. In my MIS 2S review in particular I was very vocal about how superbly the phone performed in terms of performance, and attributed this to a great software implementation on the side of SoC. The OnePlus 6 very much deserves the same praise as it not only has the same extraordinary snappiness, but actually ever so slightly manages to beat the MIX 2S in some cases.

PCMark Work 2.0 - Web Browsing 2.0

Starting off with PCMark’s Web Browsing test, the OnePlus 6 is very much within the top scorers in terms of performance.

PCMark Work 2.0 - Video Editing

The video editing test again is mostly performing as expected.

PCMark Work 2.0 - Writing 2.0

In the Writing 2.0 test which uses Android APIs and does operations such as text editing and PDF rendering the OnePlus 6 actually manages to take the top spot in terms of performance. This test alone correlates extremely well with overall system performance of a phone and the OP6 taking first place is indeed very well representative of the phone’s feel.

PCMark Work 2.0 - Photo Editing 2.0

Photo editing test, alongside the Mi MIX 2S also takes top spots among current devices.

PCMark Work 2.0 - Data Manipulation

The data manipulation score averages out among top Snapdragon 845 devices.

PCMark Work 2.0 - Performance     

Finally the total score matches the Mi MIX 2S. There’s not much more to say here other than Qualcomm’s scheduler improvements in the S845 BSP have really paid off this generation and this directly results in excellent real-life performance.

Speedometer 2.0 - OS WebView

WebXPRT 3 - OS WebView

The web tests showcase pretty much identical performance to the Mi MIX 2S which in turn both slightly outperform other S845 devices such as the Galaxy S9 and LG G7.

UI Fluidity

Over the past few months there’s been more outspoken discussions about Android speed tests versus actual device fluidity. In general the latter is extremely hard to quantize into a figure and there will always be corner cases or outliers that will probably perform better or worse when comparing between devices.

In the context of the OnePlus 6 as well as Snapdragon 845 devices I’ve looked more into what actually is different between them and what is seemingly causing the OP6 and MIX 2S to perform better than, say the Snapdragon Galaxy S9.  Looking deeper into the kernel it looks like OnePlus and Xiaomi are both using a newer kernel build with more scheduler modifications than the kernels running on the S9 and G7. The details here go quite low level and is out of the scope of any public article, but the effects can be easily seen.

  
OnePlus 6 vs Galaxy S9+ (S845) Jitter Test

In the UIBench Jitter test we see the difference between the OnePlus 6 and the Galaxy S9 – the latter has a lore more inconsistent rendering frame-times. While in this test both have very clearly great frame-times well under 16.6ms – having more consistent frame times in turn can avoid random workload events that might push frame times over the deadline and result in dropped frames. The OnePlus 6 so far has been the best device in this particular test – only the Pixel phones come near to it but they don’t seem to have the same consistency over time.

Overall system performance of the OnePlus 6 deserves the same praise as the MIX 2S – both devices are currently the very best and fastest on the market and you will be absolutely not disappointed in their performances.

Software UI - OxygenOS 5.1 GPU Performance
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  • Teckk - Friday, July 27, 2018 - link

    Using the phone from just over a month - great display and battery life. Pretty impressive camera for my occasional use. The update policy changed recently if I'm not wrong, were the older phones (X, 3, 3T) supported this well with upgrades? Reply
  • notashill - Friday, July 27, 2018 - link

    The last 2 security patches for the OP3/3T were released 4 and a half months apart. The release pace has been very inconsistent but there are a large number of betas for some reason.

    The X only got one major version upgrade... to a version that was already out before the phone was released. The 3T got 2 major version upgrades... and the first one was to a version that was already out before the phone released. Supposedly it's going to get 8.1 eventually. They did live up to the promise of releasing Nougat in 2016 by releasing it on December 31.
    Reply
  • mmrezaie - Friday, July 27, 2018 - link

    I would like to see a review of software updates. I think One Plus started good but now it has even worst track record than Samsung. I think this part is more important for me rather than CPU performance which is something you get like basically every other company phones of that year. Reply
  • notashill - Friday, July 27, 2018 - link

    They posted a Software Maintenance Schedule a few weeks ago claiming 24 months of "Regular Software Maintenance" which includes major version upgrades and bi-monthly security patches followed by another 12 months of "Software Security Maintenance" with bi-monthly security patches.

    And yet, OP3T was released November 2016 and they are not going to update it to P.
    Reply
  • ACE76 - Friday, July 27, 2018 - link

    Android P isn't out yet...and its probably going to be released around September this year so expecting the 3/T to get it is stupid. Reply
  • notashill - Friday, July 27, 2018 - link

    Obviously P isn't out yet, I did not say I was expecting them to release it before Google. They have already said they are never going to release it for the 3/3T. Reply
  • mmrezaie - Thursday, August 02, 2018 - link

    It is stupid to not expect these companies releasing updates for their phones and turn them into paperweights. Reply
  • WPX00 - Monday, July 30, 2018 - link

    The 3/T has just been confirmed for P. Reply
  • notashill - Tuesday, July 31, 2018 - link

    Yes I just saw this, very happy that they changed their minds about it (they had in fact already announced that Oreo would be the last major update). I hope this is a real turnaround for the company and they start taking updates seriously because OP's hardware is great but I have been rather disappointed with their software to date. Reply
  • SpaceRanger - Friday, July 27, 2018 - link

    Is the battery replaceable or does the back cover require surgery to remove? Reply

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