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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  • Mondozai - Tuesday, February 3, 2015 - link

    I have a Lumia 1520, which I am very, very satisfied with. Nokia makes some really sturdy phones. I have dropped it quite a few times, around 4-5 times, over the last 7 months. It's something that happens to me maybe once a month or less, but it happens.

    Not even a scratch on the screen or even the body. It's high-quality. The 1520 was also relatively cheap when I bought it(around 380 euros off-contract).

    So that is my disclaimer. But here's the thing about these phones. They are very underspecced for a high price. Nokia(or now Microsoft) does awesome high-spec phones, but they are terrible at the lower-end.

    The Lumia 520 was a hit for its time, when most budget stuff was terrible. But now, it is not hard to find decent quality low-price phones. It's not just Xiaomi. In places like India, you now have MASSIVE choice. Even the mid-range is getting serious competition from players like the Moto G, who in turn are getting disrupted by even cheaper alternatives. The Micromax Yu phone, the upcoming Zenfone 2(flagship specs for 200 dollars).

    The short summary is that Nokia/MS is getting increasingly less competitive with the market. They used to do well in the low-end but now they are getting crushed there. They still do very good high-end phones but that is not where the market is going.

    I hope, for selfish reasons, that they get their act togther. More WP users means more attention to the app ecosystem, but my god, you gotta do better than this MS.
  • Mondozai - Tuesday, February 3, 2015 - link

    Just an addendum, the app ecosystem in WP is today massively improved. I'm anxious to get ahold of the WP 10 technical preview, since the changes there will essentially bring the OS into parity with iOS/Android on a technical basis. The OS is very fast, has no jutter and no lag.

    I feel like the Nokia/MS thing have gotten in reverse in a sense. They used to make killer phones but with a faltering OS and a poor app ecosystem. In my view, the latter part has been largely fixed, while the strong suits of WP (the speed, the lagless experience etc) have been strengthened.

    Now, most Lumia phones we're seeing are not that competitive with the market. The L920 was an amazing deal for its time. In my view, if you can get the 1520 for cheap, it's the equivalent of that phone(if you are comfortable with big phablets). But if you're not into the high-end, you're going to overprice. A flagship Zenfone 2 for 200 dollars will simply crush what they have on offer. The OnePlus, the Micromax Yu, it just continues. Android is becomming ungodly affordable, and WP isn't keeping up. Apple has the premium segment increasingly sewn up.
  • kspirit - Tuesday, February 3, 2015 - link

    The lagless experience hasn't improved, it's gotten worse. When Microsoft started moving apps from Silverlight to WinRT and encouraging devs to make apps in WinRT for universal apps, it killed a lot of the smooth experience. My 925 was way faster on WP8 than it is on 8.1.1. The app load times are the actual offenders.

    The "loading" and "resuming" screens have become painful. Sure there might be runtime optimizations that MS has yet to do since WinRT is much newer than Silverlight. WinRT apps can't run under the lockscreen either, they reload when your phone locks over them. I am hoping they fix it with Windows (Phone) 10.
  • hwangeruk - Saturday, February 7, 2015 - link

    kspirit. That's does not tally with reality. WinRT is native code (COM wrapped Win32 API)
    Silverlight comes out as IL , so runs managed. My universal apps start, and run faster so note sure what your issue is.
  • Wolfpup - Tuesday, February 3, 2015 - link

    I have no idea how they're selling, but in the U.S. at least, the cheaper Nokias are still the only good cheap phones. For several times more than like a 635 you can get a Google Play Edition Motorola, but even then it lacks LTE (and costs much more, even if it's still pretty cheap).
  • kmmatney - Tuesday, February 3, 2015 - link

    For cheap phones for my family, I just buy used phones. I think the best deal is the Galaxy S3 - I bought a used one in excellent condition (looked brand new) for my wife for $90.
  • mymy - Tuesday, February 3, 2015 - link

    Excellent choice. I have had my S3 since inception, around 2.5 years. A solid performer. A good phone, great screen. Have not had a single problem. Skipped the S4/S5, just getting to large.
  • hwangeruk - Saturday, February 7, 2015 - link

    I have a Lumia 735, iPhone 6 and Samsung S4. The S4 is the worst hardware (plasticy) worst OS (Android is ugly anyway, and Samsung ruin it with their bloatware). The Lumia 735 is on a level playing field with the iPhone 6, both high quality OSes, both much more modern than Android. The only thing I really like about my iPhone is the touch ID. Other than that the Lumia 735 is comparable. Ignoring "spectard" comparison, but in real life usage all 3 are almost exactly the same size, all run just as fast. The iPhone is super expensive but I didn't pay for it. If it was my own money i'd get the 735 every time. Best value by miles.
  • Jon Tseng - Tuesday, February 3, 2015 - link

    Have to say I do love the design. When I clocked it in the shop I thought it was the Nokia N9 brought back to life.

    It looks like its a monolithic unibody, but actually the seam for the removable back is right around the screen edge so you get unibody looks but removable/replaceable back.
  • Daniel Egger - Tuesday, February 3, 2015 - link

    The 830 has another couple of disadvantages over the 735 except for the price: It's too big and it's too heavy and if you happen to have one x20s with x > 7 then it's also a step sidewards feature wise.

    The slow WiFi is not really a problem since in 99% of all cases you'll have to process the data in some form anyways so the bottleneck will be the CPU. 5GHz would have been nice though.

    The only real letdown as you've correctly identified is the lack of Glance, but since that's only software anyways I don't see any reason why the might not be added at a later point.

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