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Discussion in 'Android Lounge' started by stvs, Feb 8, 2016.

  1. stvs

    stvs Newbie
    Thread Starter

    hi.iam curious if all phones are thottling after some time on demanding aps ,if so all benchmarks are grain of salt
    are there phones without thottling ?


  2. Best Answer:
    Post #5 by AZgl1500, Feb 9, 2016 (1 points)

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  3. AZgl1500

    AZgl1500 Extreme Android User

    Are you trying to download something, or an app on the phone seems to be slowing down?

    If the phone's internal temperature rises above a certain point, the CPU speed is intentionally slowed down.

    This is to prevent it from overheating and going into failure mode.

    If it is a download problem, that is probably due to the carrier cutting back on your download speed after certain amount of time has passed.

    www.speedof.me will definitely show you if throttling is happening with your carrier.
    If it is not, all of the waveforms will have the same height.
    If it is throttling back, the succeeding waveforms will be of lessor height.
    mikedt likes this.
  4. stvs

    stvs Newbie
    Thread Starter

    i mean about cpu/gpu SOC throttilng only,if all phones are throttling at any demanding game or app then the benchmarks are fake
    we have to measure the real speed after some time of run then.i have one example: my xperia z3 runs chess,after 20 mins starts to
    slowdown the speed,i read that z3 has 750 kn/sec at chess after 20 mins gets 540/kn ,i wonder what kind of speed test at reviews they make?
  5. zuben el genub

    zuben el genub Extreme Android User

    I thought the carriers throttled, not the phones.
    TMO puts most videos through at 1.5 speed. Some say it's all of them, others say it's only BingeOn.
    TMO will also offer unlimited, but throttle after a certain point or if traffic gets too heavy. You can still use data, but at a slower speed. I think most of the US carriers do this. I'd check your carrier's TOS.

    You get a phone made to be sold unlocked, I doubt you could build in throttling - too many variables. I also have ATT and some other bands on my phone. Since the phone says North American on the specs, I'd assume that Canada was also included.
  6. AZgl1500

    AZgl1500 Extreme Android User

    Device only, not the Internet carrier:

    If the game or app you are running demands that the CPU/GPU run at maximum speed for an extended period of time, that process is going to produce a lot of heat within the chip. When that heat/temperature reaches a certain point, the CPU is going to say "hey guys, I am about to burn up, let me cool off for a while, okay?" and it will not give you a choice, it will definitely reduce the speed at which it is operating. This was programmed into the device's memory cells to prevent a failure.

    You are going to perceive that slowness right away as being slower to respond to your request, screen redraws, etc.... if this pisses you off, get something to keep the device cooled off, a fan, colder air, something... but if you don't allow the CPU/GPU to cool down, it will encur a drastic failure.... and that will really piss you off.
    Gmash and Jfalls63 like this.
  7. Slug

    Slug Check six!
    VIP Member

    As the OP stated in the previous post:

    All SOCs will go into thermal throttling if their operating parameters are exceeded. Benchmark apps serve no other purpose than to give a rough A vs B comparison using identical tests. If you want to test ultimate performance, try running a stress-testing app alongside a benchmark one.... but be prepared for the inevitable crashes/reboots that will ensue as the SOC exceeds its limits.
    AZgl1500 likes this.
  8. chanchan05

    chanchan05 The Doctor

    The benchmarks aren't fake. They're just how fast the phone CAN run. It doesn't take into account the point wherein the phones need to take a rest.
    AZgl1500 likes this.
  9. mikedt

    mikedt 你好

    We don't have throttling. Basically all wireless data is metered, and if you want another 1GB or so you pay for it. But it's always fast. And no carriers in China charge extra fees for tethering. :)
  10. AZgl1500

    AZgl1500 Extreme Android User

    Right now, at this very point in time, I am uploading a video to YouTube of 428 mB in length.

    Verizon is 3 times faster than my ADSL so I thought "Let's try out this throttling myth" and turned off WiFi and got it going on DATA LTE 4g

    at first, very promising, it uploaded 2% in a couple of minutes and said ' 68 minutes remain '

    got busy here on the forum, looked at the phone again, and it says " 3 hours remaining " ???
    huh? and the 2% was still sitting there on the screen.

    I turned on WiFi and set DATA to OFF.
    Took about 30 seconds for things to sync back up, but then all of a sudden, it picked up and kept going from where it had been..... that 3 hours suddenly was replaced with 60 minutes remaining.

    as I am finishing up typing this, it says 31% uploaded; 52 minutes remaining.
    yup, it has uploaded 28% just in the time it is taking me to write this post.

    THROTTLING is very much alive folks, believe it.... they do not allow us to upload at full speed.
  11. chanchan05

    chanchan05 The Doctor

    He isn't asking about data throttling. He is asking about CPU throttling. Like when the CPU can run at 2.8Ghz but the firmware would limit it to 2Ghz only. Your long post is quite irrelevant to the question.
  12. AZgl1500

    AZgl1500 Extreme Android User

    oops! I should have reviewed the whole thread, I had already answered it correctly in the beginning...
    that's what happens when we just see a word 'out of context' and reply to the miss interpreted context...

    well, you can't say I didn't try... :rolleyes:
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