Lab Scene

As we march towards our outdoor test scenes, we shift to a light controlled lab setup. The setup here is slightly different from what we used in the past two reviews so we re-ran all of the comparison shots. Everything is exposed to the same lighting conditions. We'll start with a well lit test:


At close distance sunder decent lighting conditions the M8 vs. M8 mini test becomes one of white balance and processing differences. You can see a slight resolution advantage here in that the text in the scene is a bit sharper on the M8 mini, but otherwise the differences are in color processing. The light colors in the AMD A4 box (upper right corner of the box) are more pink in the M8 mini's shot, and there's more green in the M8's capture by comparison. Both captures are ok and neither is perfect. In this case I'm far happier with the image from the G2, 5c or Moto X.

Next up is the same scene, but in much lower light (~7 lux):


And this is where the M8's 2.0µm Ultrapixel sensor comes in handy. The mini 2 captures an almost useless image. There's very little detail in the Intel Core i5 box, you can barely read any of the text on the AMD box and there's very little contrast picked up in the ASUS box on the far right. The M8 mini elected to shoot this scene at 1/10s at ISO 2000. The M8 by comparison settled on 1/11s at ISO 1250, and the result is far more legible. The capture isn't as bright as I'd expect, but you can at least get some idea of what's going on here. The 5c delivers a somewhat brighter image, but with more visible noise (1/15s, ISO 2500). The Moto X is pretty bad here. If you're looking at this scaled crop the LG G2 looks like a clear winner. I'd recommend looking at the originals in the gallery below though. In low light scenarios LG triggers some sort of a multi-exposure/pixel binning mode that you can't disable. The result is great low light performance, but at the expense of sharpness - the full image is a lot more blurry on the G2. When scaled down to lower resolutions it's less of a problem, which is why it looks reasonable here.

 

Still Image Analysis: Spatial Resolution & Color Reproduction Still Image Analysis: Outdoor Scenes
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  • althaz - Monday, May 26, 2014 - link

    "I don't know that there's a better feeling smartphone priced below $400"
    Lumia 925 is a class above this in terms of feel and quality (and cpu performance and camera performance) and is cheaper too :).
  • Alexey291 - Tuesday, May 27, 2014 - link

    lets be fair - this device is terrible and one is better off getting last year's M7 than this for eg...
  • fokka - Wednesday, May 28, 2014 - link

    can't say anything against the lumia, but the metal build on the m7 onwards is hard to reach from a touch and feel perspective.
  • Ev1lAsh - Tuesday, May 27, 2014 - link

    Sorry if I misread this, but in the HTC One Cameras table in Camera Architecture the table shows the Rear Camera - Max Aperture for the HTC One mini 2 as f/2.0 whereas its referred to as f/2.2 in the article.
    Just so you can update.
  • JoshHo - Wednesday, May 28, 2014 - link

    D'oh. The error has been corrected, thank you for pointing this out.
  • Arbie - Tuesday, May 27, 2014 - link

    Glad to hear that, if it's true. MicroSD is not in the spec list posted, and I wouldn't expect such a significant feature to go unmentioned there.
  • Arbie - Tuesday, May 27, 2014 - link

    Sorry, my error. It does show MicroSD in the specs. Somehow I overlooked that.
  • beggerking@yahoo.com - Tuesday, May 27, 2014 - link

    "For those that see the iPhone 5 and 5s as the absolute largest phone that they’re willing to tolerate, this may be too much"

    makes no sense...

    icrap 5 and 5s are the smallest crap there is... nothing is crappier or smaller.. most would prefer a larger phone anyway.
  • fokka - Wednesday, May 28, 2014 - link

    your anti-apple stance aside, they also mentioned that people who are ok with the moto x' size should be happy with the mini 2. i have to object a bit here since the mini 2 is significantly larger despite having a .2" smaller display:

    http://mobiledevicesize.com/compare/#359,432;1
  • hangfirew8 - Tuesday, May 27, 2014 - link

    "the One mini 2 is easily one of the best in its class." And just what class was that, anyway?

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