GPU Performance

Along with the 10% increase in peak CPU clock speeds, the version of Snapdragon 821 in the OnePlus 3T also increases the peak GPU frequency to 653MHz, up from 624MHz in the OnePlus 3. This is a relatively modest improvement, so the corresponding increase in performance will also be rather modest as well. In the interest of merely verifying that performance has improved as expected, I've run 3DMark Sling Shot and GFXBench Car Chase on the OnePlus 3T.

3DMark Sling Shot 3.1 Extreme Unlimited - Graphics

3DMark Sling Shot 3.1 Extreme Unlimited - Physics

3DMark Sling Shot 3.1 Extreme Unlimited - Overall

The 3DMark graphics test actually doesn't see much of an improvement on the OnePlus 3T. It may be that I simply got an exceptionally good score on the OnePlus 3, but it is interesting to see such a large gap in the physics test, which should favor the OnePlus 3T with its higher-clocked CPU cores.

GFXBench Car Chase ES 3.1 / Metal (On Screen)

GFXBench Car Chase ES 3.1 / Metal (Off Screen 1080p)

In GFXBench Car Chase the OnePlus 3T shows a performance uplift of around 10% compared to the OnePlus 3. This is slightly higher than expected, but due to the truncation of results in the latest GFXBench this may be slightly exaggerated, which tends to happen when comparing devices that differ in performance by only one or two frames per second.

NAND Performance

In our recent review of the Pixel XL one of the problems we ran into was that AndroBench had been broken by the adoption of file-based encryption (FBE) in Android Nougat. AndroBench is the benchmark we use to measure storage performance, and since that time it has been updated with a new version that works on devices that use FBE. However, the results are not comparable to results from AndroBench 4, so going forward we will be using the AndroBench 5 test with a new data set for device results.

As always, our storage test examines the performance for random reads and writes using a 4KB transfer size, and sequential reads and writes using a 256KB transfer size. These settings are chosen to match what actually occurs when an application performs IO operations. Only one IO thread is used, which again mirrors how applications are actually designed in order to reflect the performance that will be seen in real usage instead of reflecting potentially higher speeds that the hardware may be capable of, but that will almost never be encountered in an actual use case.

AndroBench 5.0 - Random Read

AndroBench 5.0 - Random Write

AndroBench 5.0 - Sequential Read

AndroBench 5.0 - Sequential Write

In Androbench 5 the OnePlus 3T tops the charts. However, it's important to recognize why this is, particularly where write speeds are concerned. Most smartphones we review have either 16GB or 32GB of internal memory. The OnePlus 3 has 64GB, and this OnePlus 3T unit is the flagship 128GB model. With flash memory, assuming that you have some density for a chip, increasing capacity is accomplished by increasing the number of chips. Because SSDs and other flash memory devices utilize parallel writes to improve performance, increasing the number of dies can allow for greater performance by increasing the number of writes that can happen in parallel.

In addition to the larger amount of internal storage, OnePlus has also adopted F2FS for the filesystem, which is another source of performance improvements, particularly in the case of random write speeds.

With that in mind, the results from AndroBench actually aren't that shocking. In the write tests the 128GB model of the OnePlus 3T is well ahead of every other device, including the 64GB OnePlus 3. Read performance is also improved compared to the OnePlus 3, but not to the same extent.

System Performance Battery Life and Charge Time


View All Comments

  • polygon_21 - Wednesday, November 30, 2016 - link

    I wish there was a 7-8 inch tablet with the above 7 2013 is getting really long in the tooth Reply
  • UtilityMax - Wednesday, November 30, 2016 - link

    Amen to that. Hardware specs aren't everything. Having a strong community support to be able to install recovery, root, mods, or alternative roms are priceless. That's why I am going to hang on to my Nexus 5X for as long as I can, even though it was already surpassed by 2016 devices as far as paper specs are concerned. I haven't even rooted mine yet, but it is sure cool to get monthly security updates and be the first to receive Android Nougat this end of summer. Reply
  • Death666Angel - Monday, November 28, 2016 - link

    "(apparently ancient, despite only being 2 years old and still very functional) Nexus 4"
    It was released 4 years ago, which is the thing that counts, not when you bought it. :)
  • JoeyJoJo123 - Monday, November 28, 2016 - link

    It's true that the phone was initially released 4 years ago. But for example, if I buy a 2 year old car today, you still have every expectation for it to last just as long as any other car. Reply
  • Nehemoth - Monday, November 28, 2016 - link

    Car are designed to last like 20 years or so, that's why are so expensive
  • JoeyJoJo123 - Monday, November 28, 2016 - link

    I don't think you quite understood my point.

    My previous post didn't mention any confusion on my part on why cars were so expensive, rather I know why they're expensive.

    My point is that with every major purchase, car, appliance, house, or even a phone, it shouldn't matter if it's 2 years old before you first got it, you paid good money for it and you still have every reason to expect it to last.

    I don't think anyone sensible buys a 20 year old used car (and there are those that do as a collector or because they _have_ to due to their situation) and then the crankshaft breaks in two the next day they *shrug* and say, "Hey, it was 20 years old, and I didn't expect it to last long anyways".

    Again, with every major purchase, people expect it to last.
  • UtilityMax - Wednesday, November 30, 2016 - link

    Cars are expensive? You gotta be kidding me. Here in the USA we have the cheapest cars in the world. Go to Mexico, Brazil, Russia, UK, or Germany to see expensive cars. German brand cars, sometimes made in Germany, cost cheaper in the USA than in Germany. Even if you flip burgers as day job, you can still lease and drive a brand new car every year. Reply
  • TheinsanegamerN - Thursday, December 1, 2016 - link

    You are smoking something. the only way a burger flipper could afford a car lease is if they didnt pay for rent, or food, ece. Reply
  • negusp - Monday, December 5, 2016 - link

    Well, here in the USA we treat our workers like sh*t. Reply
  • bananaforscale - Tuesday, November 29, 2016 - link

    Cars are quite different really, roads don't change to make your car less suited to its task. Well, not usually anyway because maintenance. Reply

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