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  • iPhone Beats Nexus One in 3D Frame Rate Test


    A test done by the UK mobile games house Distinctive Developments shows that the iPhone has much better 3D rendering capability than the Google/HTC Nexus One. As described by Engadget, the test showed that the iPhone was able to sustain a frame rate almost one and a half times faster despite the Google phone having a more powerful 1 GHz Snapdragon CPU. The main difference appears to be the lack of optimized code that takes advantage of the ARM processor core.

    DD ran the same 3D animation on both devices. Side-by-side pinpoint tests revealed that the iPhone 3GS was able to render 60 frames per second (fps) while the Nexus could only achieve between 30 to 35 fps. As more models were added to the scene, both phones' frame rates dropped until at 8 models the iPhone was running at 29fps on the iPhone and the Nexus at only 21fps, yielding a result of 138% faster frame rate for the iPhone.

    In investigating the results, DD first noted that a significant difference is the fact that the Nexus has a much higher resolution screen. Thus, rendering the same models, the Nexus has 2.5 times the number of pixels to draw than the iPhone does. However, after changing the viewport size to 480320 on the Nexus, the engineers at DD saw an improvement to 40 fps with two models on screen, but the performance was identical at 21 fps with 8 models.

    Since the resolution of the screen did not affect the outcome, DD tested the hypothesis that there was a CPU-related bottleneck. By turning off the "animation bone & skinning calculations," the CPU was less stressed, but even so drawing to the full screen on the Nexus with the animation disabled yielded the exact same frame rate count as before. Doing the same test on the iPhone saw the frame rate increase from 20 fps up to 25fps.

    The conclusion that the DD engineers drew from their test is that the Nexus is primarily limited by fill-rate processing that was done by the Snapdragon's integrated GPU. Apparently the Android Native Development Kit (NDK) has no access to floating-point instructions in the ARM Neon single instruction multiple data (SIMD) instruction set, which means the CPU is overtaxed by rastering operations and writing pixels to the screen.

    As a result, DD is recommending that Google update the NDK to a new version of GCC in order to take better advantage of Neon float-point instructions. They expect that if that's done, Droid and Nexus phones will enjoy an advantage over iPhones, at least until faster (A4?) processors are added to a future Apple phone.

    image via Distinctive Developments
    This article was originally published in forum thread: iPhone Beats Nexus One in 3D Frame Rate Test started by Paul Daniel Ash View original post
    Comments 47 Comments
    1. andyharp's Avatar
      andyharp -
      Don't get me wrong, there is no doubt the iphone is better.
      I think the "138% faster" is misleading terminology.
      it should either read 138% as fast OR 38% faster.
      Faster implies that much beyond one unit (1X or 100%).
      It's really 8fps faster so 8/21 = 38%
      If iphone was 100% faster it would be twice the fps of the the compared model.
    1. huge moron's Avatar
      huge moron -
      The nexus is freaking sweet. As previously mentioned, it will catch up to the iPhone eventually, and be just as, or even more, awesome than the iPhone
    1. mr_greedy's Avatar
      mr_greedy -
      Isn't it running in the Nexus's native resolution? Because if it is.. It's got more pixels to push.. So it'd work out prolly around the same..
    1. GellBrake'rrrr's Avatar
      GellBrake'rrrr -
      Just like every other "so called" iPhone killer, the Nexus1 will struggle to catch up to speed. And as soon as they catch up.... Apple hits the nitrous (iPhone 4) and blows right back ahead! AGAIN!!! I love my JB iPhone. Funny how they never compare these phones to the real beasts that are untamed/jailbroken 
    1. adrian1480's Avatar
      adrian1480 -
      lmao. you guys are dumb.

      the Nexus One runs at a significantly higher screen resolution than the iPhone.

      Apple iPhone: 480 x 320 @ 3.5" display
      Nexus One: 800 x 480 @ 3.7" display

      that's ~230,400 more pixels!!!!!


      Of course it's going to be slower in a direct comparison! The iPhone has less work to do.

      thinking: it's actually for you too.

      I find it hard to believe that we almost got 30 posts without anyone showing any critical thinking skills.
    1. silent revolt's Avatar
      silent revolt -
      the nexus one has a coding issue..to break it down for the dumb asses...we will say its like accelerating in a car. THE idea is go from 0-60 as fast as you can. The iphone carrys a wieght of 100 pound (pounds being the amount of pixels it has to display) AND has the ability to put the petal to the floor and fly to 60...the nexus has to carry 187 pounds (it has more pixes to carry) and can only push the pedal to a certain degree vs to the floor. The nexus having to deal with the weight and the pedal problems appears slower ALTHOUGH if you removed the pedal issue (fixed the coding) it would probably come out on top
    1. jaypeev_9's Avatar
      jaypeev_9 -
      Thanks for sharing this info! iphone is the best...
    1. silent revolt's Avatar
      silent revolt -
      also yeah..basicaly the iphone is probably goin to be the best thing going until the end of 2010 beggining of 2011
    1. tudtran's Avatar
      tudtran -
      SUCKER. iPhone ROCK!!!!!
    1. GellBrake'rrrr's Avatar
      GellBrake'rrrr -
      When it all comes down to numbers.... Dollars that is. Apple/iPhone will win. Hands down. Samsung/wave will lose. Face down ***** up.
    1. iPhone3G[S]'s Avatar
      iPhone3G[S] -
      LOL, one big article, total ******** bias crap...

      They should optimize their code on the nexus one better. There are plenty of games that look better then that on android and run smooth
    1. adrian1480's Avatar
      adrian1480 -
      Quote Originally Posted by Rota View Post
      Already been stated if you were smart enough to read.
      and yet somehow, between that post and mine, more idiots failed to get it. so it seems it needed to be restated, and with actual numbers (you know, those weird digits that people utilize to win arguments). if you had read the posts after that, you would have figured it out.

      right?

      don't be mad because you bought the kool-aid (yea, I saw you in post #20, still totally clueless) then realized how stupid this thread is along with the collective ignorance herein and now feel personally attacked when someone points out how n00bish people are for falling for this or not seeing it from the very beginning (you).

      it's like comparing some video game at maxed settings running on a computer running at 1600x900 and finding its framerate is superior to the computer next to it...without mentioning the other computer is running the game at 1920x1080 native thanks to a far superior screen. it's the most simple-minded deception in this comparison: leading the dumb to assume that because the phones are the same shape and similar size, all other things must be equal.

      the novices will continue to be convinced, and people like you will continue to be unable to point out the obvious reasons why. put some Centrum vitamins in your supper tonight. it should help your critical thinking in at least the short term.
    1. GellBrake'rrrr's Avatar
      GellBrake'rrrr -
      Failed to get what??? More megapixels? Hahahaha If that's the boat you're riding on, you're gonna need some extra life jackets pal. Do you own or ever owned a samsung phone? I'd have to say it was the worst mistake of my life! They might have beefed it up, but I'm not falling fir their crap EVER again!
    1. adrian1480's Avatar
      adrian1480 -
      Quote Originally Posted by brianlvincent View Post
      Failed to get what??? More megapixels? Hahahaha If that's the boat you're riding on, you're gonna need some extra life jackets pal. Do you own or ever owned a samsung phone? I'd have to say it was the worst mistake of my life! They might have beefed it up, but I'm not falling fir their crap EVER again!
      ?

      isn't this about the iPhone and the Nexus One?
    1. GellBrake'rrrr's Avatar
      GellBrake'rrrr -
      That's my fault! I was just watching a video about the wave. I would love to have something better than an iPhone. But the Nexus1, nor the Samsung wave (which are trying to contend) will suffice. Especially cuz of megapixels. My bad for the mixture ;P
    1. Bluprint's Avatar
      Bluprint -
      Nexus one is obviously more equipped for videos than gaming as you could already tell with the frame rate comparison, games look smoother at 60 fps but videos only need less than 30 fps, nexus one still has the higher resolution.
    1. iPhone3G[S]'s Avatar
      iPhone3G[S] -
      Quote Originally Posted by adrian1480 View Post
      and yet somehow, between that post and mine, more idiots failed to get it. so it seems it needed to be restated, and with actual numbers (you know, those weird digits that people utilize to win arguments). if you had read the posts after that, you would have figured it out.

      right?

      don't be mad because you bought the kool-aid (yea, I saw you in post #20, still totally clueless) then realized how stupid this thread is along with the collective ignorance herein and now feel personally attacked when someone points out how n00bish people are for falling for this or not seeing it from the very beginning (you).

      it's like comparing some video game at maxed settings running on a computer running at 1600x900 and finding its framerate is superior to the computer next to it...without mentioning the other computer is running the game at 1920x1080 native thanks to a far superior screen. it's the most simple-minded deception in this comparison: leading the dumb to assume that because the phones are the same shape and similar size, all other things must be equal.

      the novices will continue to be convinced, and people like you will continue to be unable to point out the obvious reasons why. put some Centrum vitamins in your supper tonight. it should help your critical thinking in at least the short term.
      Quoted for truth!

      Where is EgoHot? Still no untethered jailbreak, no 3.1.3, no unlock for 5.12... and he sits there and says it easy this and easy that.. yet, here we are, nothing from him for 3.1.3...

      FAIL.

      He is starting to sound like Chronic Dev Team - a least he doesn't steal money.
    1. Effenpig!'s Avatar
      Effenpig! -
      Supper? I's having me a sammich fer supper y'all
    1. GellBrake'rrrr's Avatar
      GellBrake'rrrr -
      Let's not hate on Adrianna so much now guys... Look at that great set of lips! Now THOSE could actually satisfy me more than the Nexus1 & iPhone combined!!!
    1. LittleJob's Avatar
      LittleJob -
      This is a stock nexus. I do not know one person that is still using the thing out of the box. Un-restrict that thing with a custom kernel, which there are several out there, and the nexus one smokes the iPhone in every way..

      Other than the apps that are currently available in the Android market. Nexus deffinitly has the upper hand. I own both phones and i am much more pleased with the freedom and speed of my nexus one.

      -B