Display

The Lumia 800 uses a WVGA (800x480) 3.7” Super AMOLED display which of course comes with RGBG PenTile. The reality is that Windows Phone actually feels like it’s designed around AMOLED to some extent, so this isn’t nearly as big of a concern as it would be otherwise. In fact, WP7 does take advantage of AMOLED’s light-emitting nature to display as much black as possible unless you change the background theme, but anyhow onto the display itself.

 

Because we can’t set the brightness manually in the settings UI, we have to rely on the Low/Medium/High presets that are defined already. There’s actually a way to set the brightness manually inside ##634# but it isn’t clear whether these settings persist after exiting. As usual, we’ve measured brightness and white point - AMOLED blacks are literally zero thanks to the light-emitting nature of that display technology.

Brightness (White)

I find that the Lumia 800 isn’t as dark as the numbers would have you believe, though it could benefit from going a bit brighter. No doubt Nokia has chosen to err on the conservative side to conserve some battery life.

Lumia 800 Display Metrics
Brightness Level Black Brightness (nits) White Brightness (nits) White Point (K)
High 0 196.1 5854
Medium 0 44.8 6043
Low 0 11.6 6117

The curved nature of the Corning Gorilla Glass display is another thing to discuss as well. It looks great and isn’t curved so much that it gets in the way of dragging things around on the display or interacting. Of course, at the most extreme viewing angles (as you approach a critical angle) you do see some total internal reflection effects, but that ends up being literally viewed from the extreme side or bottom.

As usual I’ve also put together an outdoor viewing gallery in addition to some different viewing angles of the display for your perusal. Nokia’s ClearBlack display helps things here, as they’ve placed a circular polarizer between the touch layer and the front display glass to eliminate some reflections.

I feel as though WP7 is one of the first UIs that’s designed with some of the AMOLED/PenTile display guidelines taken to heart, though there’s still more that WP7 could do to leverage some of AMOLEDs unique strengths. Little functions like displaying the time or status even when the phone is locked are things that other Nokia phones with AMOLED have done for a while that really made sense and served an important purpose that aren’t done in WP7 quite yet.

Camera Performance - Stills and Video Cellular, WiFi, Speakerphone and Call Quality, GPS
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  • Iketh - Wednesday, January 4, 2012 - link

    You can't watch youtube videos without the app on WP. If you try, the website instructs you to download the youtube app first. You can browse youtube all you want, just can't play the videos. The way the site words this almost makes it sound like it's youtube's fault, but I wouldn't know.
  • melgross - Wednesday, January 4, 2012 - link

    So, this is a fairly mediocre phone as far as performance goes, but the reviewer really wants to believe it to be better than it is.

    It's pretty obvious that WP7+ needs a dual core SoC, with a much better GPU. When that happens, we'll see a phone that can properly compare to the other top phones on other OS's, such as Android and iOS. Until then, no excuses can fix the slow nature of this model. If this were a cheaper, lower end model, it might be worthwhile, but for the flagship model, it's simply not worth it.

    And then, AMOLED isn't really ready for prime time. Despite the propaganda from the manufacturers who use them, I've not yet seen a review of an AMOLED device that was more than about half as bright as a good LCD model, and often no better than a third as bright. This one seems poor. To say that it seems brighter than it can possibly be, is nonsense.

    I hope that we will see much better phones than this one during the year, and soon. If not, it will be another reason why WP7 will struggle.
  • Brian Klug - Wednesday, January 4, 2012 - link

    I'd agree with that assertion - WP7 does need to make the move to dual core, (and will make the move to dual core) if nothing else to get all the other features that come with it. I touched on this a little, but better encoders, better decoders, and on the QCT side better baseband all come on the high-end before eventually showing up on the midrange.

    The other curious thing is that AMOLED can actually go way brighter (with some of Supercurio's hacks, you can drive the SGS2 SAMOLED Plus display up past 500 nits) but you end up just burning through battery. Obviously there's still some balancing being done by OEMs to keep battery from being totally depleted.

    -Brian
  • melgross - Wednesday, January 4, 2012 - link

    There are several very good reasons why AMOLEDs aren't bright. LED's of all kinds, but especially OLED'S, are very constrained by temperature. The higher they are driven, the hotter they get. The hotter they get, the shorter the life. Driving an AMOLED screen to the brightness of the 4S, for example, would bring the lifetime down to less than a quarter of what it is now.

    In addition, this isn't a linear relationship. More voltage results in less than a 1:1 relationship in brightness, and an even worse relationship when looking at current draw. There's a good reason why UI's designed for AMOLED's use a great deal of black with thin lettering. On average, right now, even the best AMOLEDs use more current than do most LCDs with high efficiency LED backlighting. I find it amusing when I read that AMOLEDs use less energy, when they use more.

    I have a lot of LED's here, up to 200 watts (for a single LED). I've yet to find one that lives up to its promise, though they're getting better. I would give AMOLED's at least another two years, and with IGZO displays coming out, possibly another four years until they equal the efficiency.

    Color quality, which is poor, is another question altogether.
  • french toast - Thursday, January 5, 2012 - link

    AMOLEDs typically dont come half as bright as the brightest lcds, hell the nokia 701 gets over 1000nits brightness!! so thats 5 times brighter than this model.

    However brightness tests like this rarely carry through to real life,especially when talking about AMOLEDS, they have the best contrast ratio as well as saturated colours which make the screen pop, you never read a review about an AMOLED phone and get complaints about it being dull..quite the contrary the AMOLED always seems to be brighter..
    If brian hadnt ran that test, he wouldnt have mentioned that the screen seems dull.

    Some of the appeal of AMOLEDS is that over saturated colour profile, which seems to be a marmite issue, half the people prefer IPS LCD and half swear by a decent RGB AMOLED.

    AMOLEDS have many advantages over LCD though, they are thinner, much much better contrast, far far superior response time, more eye popping colours and better power levels when watching dark seens like movies...The sunlight issue which was the worse complaint has disapeared.

    One of the biggest complaints about AMOLED compared to a high quality LCD is color accuracy..BUT although this is a bug for some,
    most people PREFER the saturated colors, indeed when i read reviews on you tube of people comparing the most accurate hd phone display yet..the IH-IPS display on the LG Nitro the reviewers said they much prefered the nexus display, and that somehow it gave the impression of being BRIGHTER..despite what these tests say.
  • Spivonious - Wednesday, January 4, 2012 - link

    Slow nature of this model? I have one of the launch WP7 phones (LG Quantum), and experience no slowness. The fact is that MS has optimized the OS to perform on a single-core CPU. The phone OEMs are free to add an improved GPU, but there's no need for it. Javascript benchmarks are meaningless to me. Who browses the web for any amount of time on a 4" screen?
  • melgross - Wednesday, January 4, 2012 - link

    Just read the tests. It's all there. Sometimes something doesn't feel as slow, or as fast as it is, but the numbers don't lie.
  • 465thGTG - Wednesday, January 4, 2012 - link

    I'll take real world feel over benchmark numbers any day. My Titan feels faster and more fluid than my Galaxy S II. What else is there to say?
  • doubledeej - Thursday, January 5, 2012 - link

    If someone spent all day every day running Javascript, I might agree with you. But so little of the time spent using the phone is spent doing that. Everything else about the phone feels much faster than ANY Android model, regardless of CPU speed or number of cores. Having everything be GPU accelerated makes a world of difference in how fast it feels.

    You just never wait for anything other than your data connection on these phones.
  • doobydoo - Saturday, January 7, 2012 - link

    I've never tried the Titan, but your reasoning is exactly why the iPhone 4S feels faster than the Galaxy S2 too - the GPU hardware acceleration.

    That and the fact it has the fastest CPU/GPU combination of any phone ever made.

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