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  • HTC One M9 does not overheat when pushed, new thermal image confirms

HTC One M9 does not overheat when pushed, new thermal image confirms

Posted: , by Nick T.

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Thermal image of the HTC One M9 vs other flagship phones under load

Thermal image of the HTC One M9 vs other flagship phones under load


It was a week ago when a thermal image of the HTC One M9 under heavy load started making the rounds. The image in question was part of a performance review and showed an M9 unit hitting a surface temperature of 132 degrees Fahrenheit (55.4 degrees Celsius) when benchmarked. In plain words, the phone was getting pretty hot... literally. The silicon inside the M9 was generating significant amounts of heat, unlike other flagship phones it was being stacked up against. 

Inevitably, speculations of overheating issues supposedly plaguing HTC's flagship started to pop up from here and there. Was HTC about to launch a flawed device? No, not really. As it turns out, the recently-pushed software update has taken care of the issue. What you see above is an updated thermal image of the HTC One M9 being benchmarked, and obviously, the phone is running no hotter than its rivals. As a matter of fact, it looks like the One M9's metal body is doing a good job at dissipating heat. The generated heat spreads across the phone's surface instead of remaining concentrated around a single point, which is a good thing. 

However, we do have to point out that the above results have been most likely achieved by tweaking the thermal throttling configuration of the Snapdragon 810's GPU and CPU. In other words, limits on the the processors' maximum clock frequencies are imposed once the silicon reaches a certain temperature, and after the software update, the temperature threshold stands at a lower point. As a result, the chip's temperature is kept within tolerable margins at the cost of reduced performance. This throttling function is common among smartphone SoCs and isn't exclusive to the Snapdragon 810. 

Long story short, it looks like the HTC One M9 is not affected by any overheating problems, although its performance is inevitably limited once its SoC hits a certain temperature threshold. Whether this will have any real-world effects beyond the scope of lower benchmark results remains to be seen. To learn more about the company's latest flagship, feel free to check out our HTC One M9 review



source: Tweakers.net (Translated) via Jeff Gordon (Twitter)

72 Comments
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posted on 23 Mar 2015, 12:13 24

1. Katrina (Posts: 76; Member since: 17 Aug 2012)


Such a cover up, seriously s810 is a fail and they should not even release it.
And judging from the new photo it is still the hottest out of all lol

posted on 23 Mar 2015, 12:44 3

15. arch_angel (Posts: 1651; Member since: 20 Feb 2015)


the g3 is the hottest

posted on 23 Mar 2015, 12:58 1

20. ianbbaa (Posts: 305; Member since: 20 Mar 2013)


but the unibody Alloy design distributes temperature all over the body -that is like a heatsink for the CPU itself. M9 therefore begins to be noticable hoter then any other phone that heats up just at the cpu area.

Even lifecycle of the battery might be affected when it runs in such a warm body.

You see that all others are much cooler on the sides where you hold the phone - i can not imagine to hold a phone that is 38-40C - imagine to live in a country where in summer temperature has 35C - than the phone might be even hotter cause these tests were probably done at room temperature at 20C and after load they can cool quicker.

So forget to play some heavy games outside in Saudi Arabia in summer or you ll be burned.

posted on 23 Mar 2015, 15:17 1

37. Lauticol (Posts: 326; Member since: 25 Jun 2011)


I had an HTC M7 here in Argentina (last summer the temperature reached 46°C) and even when the phone was hot (charging + playing games), you didn't need to leave the phone apart because of the heat, the metal dissipated it very well.
Also if you wanted super fast cooldown, you could put a little ice cube on the metal and the heat disappeared in a matter of seconds.

posted on 23 Mar 2015, 16:30

50. nedooo (Posts: 59; Member since: 10 Apr 2012)


Ice cube tat brain a bit...

posted on 23 Mar 2015, 15:27 1

41. vincelongman (Posts: 4102; Member since: 10 Feb 2013)


Yep, also aluminium alloys have very very high capacity
Meaning it absorbs more heat energy as it increase temp compared to say plastic
Aluminium's high capacity is one of the highest
That's way almost all CPU and GPU coolers have aluminium heat sinks

And that's I'm quite surprised the Note 4 beats the iPhone 6+ and One M8/M9
It means the Note 4 is producing far less heat

posted on 23 Mar 2015, 16:30

49. nedooo (Posts: 59; Member since: 10 Apr 2012)


If you have not noticed most of heatsinks are made of copper...

posted on 23 Mar 2015, 23:42

67. vincelongman (Posts: 4102; Member since: 10 Feb 2013)


Nope, I think you mistaking heat pipes and heat sinks

Copper is usually used to spread heat
Aluminium is usually used to absorb heat

Most CPU/GPU coolers use copper heat pipes and aluminium heat sink
E.g. CPU cooler, copper bring the heat up, the aluminium absorbs it
http://www.techpowerup.com/img/15-03-23/XC027-M403.jpg
GPU Cooler, similar, the copper spreads the heat, aluminium absorbs it
http://www.techpowerup.com/reviews/Gigabyte/GTX_960_G1_Gaming/images/cooler2.jpg
One M8, very similar to the GPU, the copper spreads the heat, aluminium absorbs it
https://d3nevzfk7ii3be.cloudfront.net/igi/XRZGQ5ZNTaXJP1b6
Galaxy Alpha, different, only has aluminium to absorb heat
https://d3nevzfk7ii3be.cloudfront.net/igi/HUYfyH1LdHesOEB3

posted on 23 Mar 2015, 15:55 1

42. Muayyad (Posts: 236; Member since: 05 Oct 2012)


Dude, they are all within similar range. They will all heat more at higher ambient temperature.

posted on 23 Mar 2015, 19:30 2

65. AndreaWijayanti (Posts: 68; Member since: 03 Mar 2015)


and note 4 is the coolest

posted on 23 Mar 2015, 13:54 3

27. PhenomFaz (Posts: 1235; Member since: 26 Sep 2012)


snapdragon has gone total crapdragon. exynos is leaps better!

posted on 23 Mar 2015, 15:57

44. Muayyad (Posts: 236; Member since: 05 Oct 2012)


Interesting, will see real world performance with apps installed.

posted on 23 Mar 2015, 16:15

48. samsboy (unregistered)


I can see how reveiwers are sympathetic of HTC. It is left on the consumers to sympathise too and buy. It could be use for making coffee if it does overheat, and that will make it even more useful.

posted on 23 Mar 2015, 12:15 22

2. TyrionLannister (unregistered)


Anandtech confirmed that HTC underclocked the chip to 1.5 GHz. Obviously it won't heat up.

posted on 23 Mar 2015, 12:18 7

3. Birds (Posts: 1154; Member since: 21 Nov 2011)


Yeah, I read the same. 1.5 GHz still seems like enough for some good performance but this year is nothing but disappointment... I really can only just look at HTC and just... look. This year is leaving me frickin speechless...

posted on 23 Mar 2015, 12:22

5. nadavcool543 (Posts: 15; Member since: 12 Dec 2013)


They underclocked it by 0.1GHz. From 1.6GHz to 1.5GHz.
The HTC One M9 has a bigger battery, Underclocked chip, 1080 Display and his battery life is still average ! Even the S6 has better battery life (That's what battery life tests tells).

I'm so disappointed !

posted on 23 Mar 2015, 12:26 13

8. TyrionLannister (unregistered)


No. The chip was 2.0 GHz. They clocked it between 1.5 to 1.6 GHz. It mostly tops at 1.5 GHz but sometimes goes to 1.6.

This makes me wonder that if they had to underclock it anyway, why they didn't go with an 808. It would have saved a lot of bad press.

posted on 23 Mar 2015, 12:33 2

11. nadavcool543 (Posts: 15; Member since: 12 Dec 2013)


You are right. I was wrong ):

HTC is a cheater !

posted on 23 Mar 2015, 12:38 2

13. TyrionLannister (unregistered)


Oh, you edited your comment. Good.

And an underclocked 808 would have about the same performance as a throttled 810.

From Anandtech:

The SoC is better, but I can’t help but feel that Snapdragon 805 ends up being a better choice than Snapdragon 810 for a flagship smartphone at this time. The Snapdragon 808 may be better suited as an upgrade to the Snapdragon 805, but given the performance of the 810 I’m not really holding my breath.

posted on 24 Mar 2015, 03:41

68. TylerGrunter (Posts: 1514; Member since: 16 Feb 2012)


It's not only Anandtech, gsmarena found the same issues when testing the HTC One M9.
The Snapdragon 810 heats too much at 2 GHz, so the real performance is when clocked at around 1.6 GHz, and that's quite low compared to the 2.1 GHz of the Exynos 7420. No wonder Samsung ditched it.

posted on 23 Mar 2015, 12:38 1

12. nadavcool543 (Posts: 15; Member since: 12 Dec 2013)


The 810 performs better than the 808.

posted on 23 Mar 2015, 13:26 1

23. tedkord (Posts: 10231; Member since: 17 Jun 2009)


Even when the 810 is underclocked by 20-25% and thermally throttled the rest of the time to keep from giving the user third degree burns on his palm?

posted on 23 Mar 2015, 16:32

51. nedooo (Posts: 59; Member since: 10 Apr 2012)


For few minutes...

posted on 23 Mar 2015, 15:59

45. Muayyad (Posts: 236; Member since: 05 Oct 2012)


All phones get less battery life with android 5.0, even the M8.

posted on 23 Mar 2015, 18:32

57. tedkord (Posts: 10231; Member since: 17 Jun 2009)


My Galaxy S3 gets much better battery life with lollipop.

posted on 23 Mar 2015, 12:21

4. buccob (Posts: 2512; Member since: 19 Jun 2012)


The LGG3 is the hottest... though the M9 does have high temperature all over its body, the LGG3 is hot only localized so in reality you hands will be more comfortable using the G3.

Kudos to the Note 4 btw... simply the best handset of 2014. Too bad they don't translate all that goodness into the compact form... my Z3c is still better than the Alpha.

posted on 23 Mar 2015, 12:24 8

6. medicci37 (Posts: 1271; Member since: 19 Nov 2011)


HTC got screwed by quallcom this time. Would have been much cheaper to just use the 805 or go with mediatek & lower the price

posted on 23 Mar 2015, 12:40 1

14. UglyFrank (Posts: 1580; Member since: 23 Jan 2014)


That's true, the S805 still gets ~42fps in T-Rex so only a loss of ~8fps. But then I guess they have to be ready for 64bit, which brings about one question. Why not use an S808?

posted on 24 Mar 2015, 08:42

72. thunderc8 (Posts: 81; Member since: 15 Dec 2014)


If they would have gone with the 805 then every itard or spec geek would have bashed htc for using last year tech.

posted on 23 Mar 2015, 12:26 3

7. DnB925Art (Posts: 947; Member since: 23 May 2013)


I would love to see the latest performance benchmark results and how it compares after the throttling/fixes done by HTC.

posted on 23 Mar 2015, 12:28 8

10. TyrionLannister (unregistered)


Here you go:

http://www.anandtech.com/show/9102/the-htc-one-m9-review-part-1/4

These are done after the final fixes. And if yu are weak hearted or an HTC/Qualcomm fanboy, don't click.

posted on 23 Mar 2015, 13:03

21. Birds (Posts: 1154; Member since: 21 Nov 2011)


I clicked... My chest hurts...

posted on 23 Mar 2015, 14:32

32. j2001m (Posts: 2788; Member since: 28 Apr 2014)


Hi tyrion the same review also shows why you do not use sd cards and why they was removed on the samsung s6, you note on the tables for speed that the iPhone and 1+1 are top of the list in a big way and I be thinking they not got the best nand that cash can buy, they just got no scard reader on the mem controler

posted on 23 Mar 2015, 14:46

34. TyrionLannister (unregistered)


Yeah, I know that. No SD card means more memory bandwidth available to internal storage = faster performance.

S6 will butcher them in NAND speed.

posted on 23 Mar 2015, 15:18

39. kabukijoe (Posts: 102; Member since: 06 Mar 2010)


And then it will stop charging properly after about a year, just like the S2, S3, S4 and as of late the S5 which appears to be following the trend... Galaxys and their charging issues are by far the most consistent complaints we hear from customers in our store over any manufacturer.

posted on 23 Mar 2015, 15:55

43. Macready (Posts: 831; Member since: 08 Dec 2014)


Right, my S2 charges fine after practically 4 years, including quite some "abuse" so to speak.

posted on 23 Mar 2015, 17:14

53. kabukijoe (Posts: 102; Member since: 06 Mar 2010)


I'd say you're lucky then, that was the worst out of all of them. When the phone was more popular we would literally see at least 3 or 4 every single day with the exact issue. A pop-up error would constantly come up saying "charging paused voltage too high" and it would cause the phone to repeatedly power cycle itself. Also the battery would typically be swollen inside of the phone. The issue ended up being linked to the ICS update and it took Samsung about 8 months to address it.

posted on 23 Mar 2015, 18:32

56. Macready (Posts: 831; Member since: 08 Dec 2014)


With little over 6k hits on Google for the S2 and tenths of millions sold, I doubt I was lucky.
https://www.google.nl/search?q=charging+paused+voltage+too+high&oq=charging+paused+voltage+too+high&aqs=chrome..69i57&sourceid=chrome&es_sm=93&ie=UTF-8#safe=off&q=%22charging+paused+voltage+too+high%22+s2

posted on 23 Mar 2015, 18:34

58. tedkord (Posts: 10231; Member since: 17 Jun 2009)


My S3 is about 3 years old and it charges just fine. It doesn't get much use since I got the Note 4, but it works perfectly.

posted on 23 Mar 2015, 18:36

60. DnB925Art (Posts: 947; Member since: 23 May 2013)


Wow, even my old Nexus S 4G and Epic 4G (Galaxy S) still contnue charging to this day, as with my Note 1 and Note 2, So IN MY EXPERIENCE, I haven't had a problem with any of my phones charging.

posted on 23 Mar 2015, 18:45

63. j2001m (Posts: 2788; Member since: 28 Apr 2014)


Hi, this is a problem linked to removable battery's, not going to be the same type of problem now due for the design of where the battery is and is linked and the type of battery being used, but good try, this is a again why you do not have removable battery as they crap

posted on 23 Mar 2015, 16:01

46. Muayyad (Posts: 236; Member since: 05 Oct 2012)


Who cares ? I bet the m9 will run faster than s6 in real world.

posted on 23 Mar 2015, 18:50

64. j2001m (Posts: 2788; Member since: 28 Apr 2014)


Not the case mate as lag as been removed in the new Tw, that and it opens apps faster and images faster and so on due to the new mem being used,that and the sd card being removed will help big time, just having the card reader on the phone drops memory bandwidth even if you have no cards in the phone, only got to look at the r and w speeds of phones like iphone and 1+1 to see the problems with sd card, htc can not keep up with ufs samsung is using, this year, also all reviews are saying lags are gone on pre-software and you can go down to your local shop and test them out they are very fast to use

posted on 23 Mar 2015, 12:28

9. nadavcool543 (Posts: 15; Member since: 12 Dec 2013)


Smartphones with more than 37 degrees are not easy to use in the hand.
Note 4 is the best out of all but it still overheat a little bit.

posted on 23 Mar 2015, 12:48 1

16. guest (Posts: 338; Member since: 13 Jun 2012)


The throttling reduced performance by 22% My N5 still keeps up with the 810 LOL. They should have went Intel like the Zenfone 2. No point in Qualcomm 810 devices this year. Sammy got it right and ditched Qualcomm so it looks like it wasn't a publicity stunt after all.

posted on 23 Mar 2015, 12:51 1

17. Awalker (Posts: 1394; Member since: 15 Aug 2013)


Every review I've seen says the phone is quick and smooth and doesn't get excessively hot. The reviewer over at the Verge says it's the faster Android phone he's seen. I really don't get what the problem is.

posted on 23 Mar 2015, 13:25

22. j2001m (Posts: 2788; Member since: 28 Apr 2014)


It's because htc skin is somewhat good on speed, but it will all start to lag as time goes on it will also do damage to battery over time and any type of long time in games will kill the phones, also they have no idea what they are doing on most sites, they test them like it's an iPhone and they never noted the lags in most cases on the plus, so it's not like they going to note it

posted on 23 Mar 2015, 13:46 2

25. Awalker (Posts: 1394; Member since: 15 Aug 2013)


Have you thought about using your psychic abilities to help the police with unsolved crimes? I think that would be a better use of your time than posting on a blog about phones.

posted on 23 Mar 2015, 14:22

31. medtxa (Posts: 1115; Member since: 02 Jun 2014)


no one saying about bad performance it slightly better than predecessor duh!, problems is inefficient processor which result in heating/poor battery life.

posted on 23 Mar 2015, 15:10

35. Awalker (Posts: 1394; Member since: 15 Aug 2013)


Did you even attempt to read the article or at least look at the title?

posted on 23 Mar 2015, 19:38

66. medtxa (Posts: 1115; Member since: 02 Jun 2014)


Without throttle it heat more than other processor yes i understand that, even with throttle it managed that low battery life. God are you htc fanboy really dumb or what!

posted on 23 Mar 2015, 14:17

30. medtxa (Posts: 1115; Member since: 02 Jun 2014)


I know I know, but SD 805 is better and exynos is so much so much better.

posted on 23 Mar 2015, 18:36

59. tedkord (Posts: 10231; Member since: 17 Jun 2009)


No one believes anything the Verge writes. They're the BGR of their area.

posted on 23 Mar 2015, 12:53

18. Azhar_Yousuf (Posts: 13; Member since: 21 Mar 2015)


And you just gotta let it burn burn burn !!!

posted on 23 Mar 2015, 12:54

19. harman (Posts: 2; Member since: 07 Mar 2013)


I have been using HTC for a few years now. I have enjoyed my M8 over the last year and like everyone else I despise the battery life and other minor things.

I was listening to soundcloud yesterday and decided to check the temperature on the phone. So I downloaded an app and it gave me 46 Celsius. Soon after you can see the lag on the phone.

Is it just me or a number of these phones are not as fluid as they should be?

posted on 23 Mar 2015, 16:04

47. Muayyad (Posts: 236; Member since: 05 Oct 2012)


With android 5.0 , battery life and temperature are not the same.

posted on 23 Mar 2015, 13:27

24. mojtaba_mn (Posts: 268; Member since: 22 Feb 2013)


i love m9 and hope 810 fixd and if not they use 815

posted on 23 Mar 2015, 13:48 3

26. Macready (Posts: 831; Member since: 08 Dec 2014)


You credit the source for the image (Tweakers.net) below your article, but fail to mention that they tested for throttling before and after the update in GFXBench. They found up to 26% lower framerates...

posted on 23 Mar 2015, 14:03 3

29. Macready (Posts: 831; Member since: 08 Dec 2014)


Original source, including benchmarks before and after:

http://tweakers.net/nieuws/102040/htc-verhelpt-hitteprobleem-one-m9-met.html

posted on 23 Mar 2015, 18:36

61. MrET1 (Posts: 110; Member since: 29 Jan 2015)


True, this should be added to the article.

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