CPU Performance

This is the third Lumia smartphone that I have reviewed in the past year with the same SoC inside, so there should be no surprises as far as performance. The 1 GB of RAM is important, as some Windows Store apps are only available to devices with at least 1 GB of memory. The Snapdragon 400 MSM8926 provides plenty of power for navigating the OS, but lacks the grunt of devices like the Lumia 930 and HTC One M8. It is more forgivable in a device at this price point than the Lumia 830, even though there are other devices that may have higher specification SoCs for at or around this price point.

As this is the third device we have tested with the same SoC, there is not much to discuss about performance, but if you would like to compare this device to any other phone we have tested, you can use our online benchmark comparison database, Bench.

SunSpider 1.0.2 Benchmark  (Chrome/Safari/IE)Kraken 1.1 (Chrome/Safari/IE)Google Octane v2  (Chrome/Safari/IE)WebXPRT (Chrome/Safari/IE)BaseMark OS II - OverallBaseMark OS II - SystemBaseMark OS II - MemoryBaseMark OS II - GraphicsBaseMark OS II - Web

Quad-core Cortex A7 is not going to light the world on fire, and the Lumia 735 performs very similarly to the Lumia 630 and 830 that we have tested previously.

GPU Performance

Although the GPU powering the Lumia 735 is the same as the 630 and 830, we can now compare the Adreno 305 graphics in Windows Phone with the same GFXBench version as is available on iOS and Android. Kishonti, who are the developers of GFXBench, recently updated the Windows Phone version to 3.0.4, up from the old version 2.7. BaseMark X 1.1 is our other GPU benchmark for mobile phones, but it would not launch on this phone, and seems to have some compatibility issues with Windows Phone as I have seen this before with the Lumia 930. Performance should be the same as the Lumia 830 for BaseMark X 1.1.

GFXBench 3.0 T-Rex HD (Onscreen)GFXBench 3.0 T-Rex HD (Offscreen)GFXBench 3.0 ALU Test (Onscreen)GFXBench 3.0 ALU Test (Offscreen)GFXBench 3.0 Alpha Blending Test (Onscreen)GFXBench 3.0 Alpha Blending Test (Offscreen)GFXBench 3.0 Driver Overhead Test (Onscreen)GFXBench 3.0 Driver Overhead Test (Offscreen)GFXBench 3.0 Fill Rate Test (Onscreen)GFXBench 3.0 Fill Rate Test (Offscreen)

Having GFXBench 3.0 now on the platform, we can now analyse the performance degradation over time.

GFXBench 3.0 Performance Degradation

There is no throttling at all on the Lumia 735, with the first and last set of runs for GFXBench at exactly the same frames per second.

Compared to the Snapdragon 800, performance is not even close, but with the pricing of the Lumia 735, and other advantages of the Snapdragon 400 such as battery life, the performance is not too bad for basic apps. The Lumia 930 can open apps quite a bit quicker, but with Windows Phone, animations are always smooth and fluid.

Design Display
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  • kspirit - Tuesday, February 3, 2015 - link

    Brett, I applaud you for reviewing all the new Lumias here on AT. Thank you
    Also I maintain this is a more interesting phone than the 830, given the price points for both.
    Flame me.
  • Brett Howse - Tuesday, February 3, 2015 - link

    Thank you for the kind words, and I won't flame you.
  • iAPX - Tuesday, February 3, 2015 - link

    I think that the Lumia line-up is a little weird, but there are many options and I would consider them when it will be time to replace my smartphone (basic usage, but a lot of music to store, for example on a micro-SD card, and tethering for my tablet).

    I think Nokia have done a great job to differenciate their products from the Android crowd, at least physically, and Microsoft is following with affordable Lumia smartphones.
  • iAPX - Tuesday, February 3, 2015 - link

    Addition: as a photographer, Optical Image Stabilization (OIS) is of no interest except for 135mm+ equivalent (35mm format) lenses. Not on wide-angle, not for capture the true life where people are moving, because you will have too long exposure time with clear and sharp environment and blurry people!

    My 2 cents!
  • Laxaa - Wednesday, February 4, 2015 - link

    It is useful for low-light shots and video, though. But I do agree with the rest of your sentiment.
  • bretpowell - Wednesday, February 11, 2015 - link

    The Lumia series has not been very popular to consumer, even if you look on a consumer base review (like http://www.phonestop7.tk/ for example...) they're nowhere to be found. But with the latest Windows 8 incorporated...hope things would change
  • Sushisamurai - Tuesday, February 3, 2015 - link

    does "Battery Saver mode" really equate to "stop background sync" on the other platforms? i'd still assume windows would have a separate option in settings.
  • Zizy - Tuesday, February 3, 2015 - link

    Well, it stops non-essential tasks and background stuff. It isn't limited to sync.
    But it doesn't change performance by slowing down CPU or something like that.
    I don't think you gain a lot by using battery saver during these rundown tests. It shows high gains mostly in light use.
  • mantikos - Tuesday, February 3, 2015 - link

    It also stops checking for e-mail and wifi networks to conserve battery. You can of course manually do both.
  • Alexvrb - Thursday, February 5, 2015 - link

    Battery Saver is great for what it was designed for. Obviously it isn't going to help much if you're actively using your phone, but it really stretches the "in-pocket" time if you forgot or were otherwise unable to charge it.

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