Obviously the highlight of the One max is its huge 5.9-inch 1080p display. After all, the huge display is literally the reason for the max moniker and its gargantuan size. It’s still an IPS LCD, and like the One, resolution is 1920x1080. Using the same resolution at larger size means lower PPI, but the One max is still high enough (373.4 PPI) that individual pixels shouldn’t be visible at all.



One interesting thing to note about the One max however is that the android display density is still set to 480 PPI, putting it in the same DENSITY_XXHIGH category as the One. This means that applications will look like scaled copies of what you’d expect them to look like on the One. There’s an interesting ongoing debate about what users really expect from these larger-sized smartphones and the demographic that’s buying them. Do users want scaled, larger applications which are easier to read, or the ability to display more content. HTC oddly enough seems to have scaled parts of their own UI, for example the widget panels are five row instead of four on the One max, and the launcher defaults to the 4x5 size instead of 3x4 which would look downright silly, further the status bar is also smaller.

 
HTC One (Left), HTC One max (Right) – Note the grid and icon size changes

I’m not complaining, it’s just interesting to see 480 in Android but the HTC apps scaled down to give more real-estate, which is what I’d prefer since I have good vision.

 

One improvement I’m really happy about in Sense 5.5 is a change to the auto brightness function. Rather than just have a checkbox, the One max will allow you to set an upper bound for the auto brightness algorithm. Ideally I would like a higher or upper bound, or a bias function (+/- some delta), but this is a step in the right direction.

Brightness (White)

Brightness (Black)

Contrast Ratio

The One max display goes very bright, up to 506 nits, higher than the One or One mini. White point is also a bit more controlled than the One, at 7301 K average. My biggest complaint about the One max is that like the One it has a dynamic brightness/contrast function that adjusts screen brightness as a function of the content being displayed. That alone isn’t a huge problem, it’s just that there’s no way to disable it in the UI, which would be great, since it’s distracting watching screen brightness change as you move around the UI. I would love to see HTC go the Google approach and restrict these functions to full screen video playback, and give the option to turn it off entirely.

CalMAN Display Performance - White Point Average



 

CalMAN Display Performance - Grayscale Average dE 2000

CalMAN Display Performance - Saturations Average dE 2000



 

CalMAN Display Performance - Gretag Macbeth Average dE 2000



 

Running it through our display tests, it’s clear that the One max also has a bit of the saturation boost we’ve seen popping up on other phones as well. The saturation curves are great until the second to last point, which is almost set to maximum saturation. I’d love to see even more emphasis on color accuracy for the next generation of phones, the One max seems to be in the general ballpark of the One, but slightly worse.

Charging and Battery Life Camera - Stills and Video
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  • steven75 - Thursday, October 31, 2013 - link

    You realize that Google itself dropped SD support from Android, right? Something Brian has mentioned numerous times, yet here you are again making the claim that "Apple is perfection" like a true troll.
  • PC Perv - Tuesday, October 29, 2013 - link

    And you have no issue with OEMs charging extra $100 per each incremental storage size? Sure you get free phones and lots other perks so perhaps that is why you are so understanding of the OEMs. But have you thought about this nonsense from consumers' point of view?

    I am guessing no. Every other pages are filled with the author's worry and concern about OEM's margins or market share. Why do you care? Why should I care about their cost savings? This has been the trend of this site for a long time. Unbelievable amount of corporate favoritism plus unapologetic ignorance on users.
  • rabidkevin - Tuesday, October 29, 2013 - link

    I'm sorry, but you make zero sense.
  • sherlockwing - Monday, October 28, 2013 - link

    You can purchase 13000 mAh External battery packs for $37 weighing 0.9lbs, a far better option than a extra battery for GS4.
  • Dentons - Monday, October 28, 2013 - link

    And I can purchase 4, 3100 mAh Galaxy Note II batteries for about half that. All 4 together weigh just .47 pounds (54 grams each, 0.11 lbs each)

    All together, the four of them take up less space than any external battery pack I've ever seen. If I'm only going to be gone overnight, I need only take 1 spare. With all 4 and the battery in the phone, I can usually operate for a solid week without recharging once.

    A user replaceable battery is also a hedge against the planned obsolescence of built-in batteries. Batteries wear out, the have a very finite number of cycles. A battery that will no longer hold a charge is one of the leading reasons consumers buy new phones.

    User replaceable batteries and micorSD are as much about reducing consumer costs as anything else. It isn't difficult to see why reviewers awash in a torrent of new, free, phones aren't particularly enamored in these features. They don't use phones for 2+ years. They don't pay for the larger memory models. They don't wear out batteries.
  • chizow - Monday, October 28, 2013 - link

    Agree with pretty much everything you've written in all of your replies. The fact that this comment section is dominated by comments disagreeing with Brian's position on microSD should say something, but I doubt it will have any lasting impact on his opinion of the matter.

    It's a good thing device makers seem to be going in the opposite direction, all I see now are devices adding the functionality.
  • superflex - Tuesday, October 29, 2013 - link

    Alinsky tactics.
    Attack the messenger when the message is not what you want to hear.
    Grow up.
  • Gadgety - Monday, October 28, 2013 - link

    It's funny - when reading negative comments on HTC phones these days I can't help but think it's Samsung sponsored comments (BTW I have a Samsung phone).
  • ddriver - Monday, October 28, 2013 - link

    I wish samsung paid me :) Dunno about paid comments, but there sure are a lot of paid reviews, and I don't mean paid by samsung,

    I think negative comments towards this device are well justified, it goes beyond the reasonable size and hardware is ... previous gen at best. Given all this space to cram components in, this phone should have been much, much better. Alas, htc is no samsung that produces everything and no apple to exploit fanatical brand loyalty, so the only way to keep profit margins decent while keeping the price "reasonable" is to offer cheaper and slightly out-of-date hardware.
  • Sm0kes - Monday, October 28, 2013 - link

    He's not talking about the validity of the criticism, but instead the relentless "shill" type comments that constantly bring up Samsung in every discussion.

    FYI - Samsung was being investigated by the Taiwan's FTC back in April for paying student "shills" to slam HTC and advocate for Samsung on tech review sites. Google for the link. It's pretty clear Samsung's marketing is pretty scummy.

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