Snapdragon 810's heat issues might be of Qualcomm's own making

Snapdragon 810's heat issues might be of Qualcomm's own making
Samsung might have been wise to go with its own 14nm Exynos for the Galaxy S6 not only for business reasons - using its own superior SoC to save on the bill of materials - but also because of reports that the first batches of Qualcomm's Snapdragon 810 could not keep their cool the way the TSMC foundry was producing them.

Qualcomm went on a PR offensive after the reports, which is extremely rare for the company, touting the Snapdragon 810 virtues with LG, Sony, Motorola and others all lining up behind the chip maker, saying that they will all use the powerful silicon in their upcoming flagships. Reports poured in that the overheating issues are overcome, but the HTC One M9 ships with the silicon, and it heated up quite a bit before the company issued a massive update that managed throttling, among other things.

For all the blame that goes to the TSMC foundry, and its 20nm production process, which was allegedly fast-tracked precisely to score the Snapdragon 810 orders, it might turn out that Qualcomm brought it all on itself. The die shrink from 28nm to 20nm for TSMC, and from 20nm to 14nm for Samsung, has brought on the respective increase in density, but nothing out of the ordinary that hasn't been done before, and Samsung has even gone down further without major issues. In the meantime, with all the superior production processes unveiled, and the move to 64-bit architecture, Qualcomm has been dragging its feet on a thorough overhaul of its pipeline, despite that ARM announced the current design blueprints a couple of years ago.

This leaves the Snapdragon's project management to blame for the 810 issues, it seems, with its rush to out a stop-gap solution until the 820 with a custom Kryo core hits the market. Moreover, it is inferred that the powerful Adreno GPU that is Qualcomm's own design, isn't playing nice with the stock ARM cores, thus causing the whole SoC to overheat under pressure. In any case, these issues are hopefully behind Qualcomm, though it remains to be seen if tomorrow's LG G4 announcement reveals a Snapdragon 808 or 810 chipset inside, and gauge whether the chip giant has lost another major customer for the troubled 810 brainchild.

source: Reddit



1. vincelongman

Posts: 5724; Member since: Feb 10, 2013

IMO of course its Qualcomm's fault Its their SoC, they shouldn't have released it with these issues They should of ether waited for TSMC's 16nm or for ARM's A72 cores They could of released an improved "Krait 500" but built with TSMC's 20nm process, with LPDD4 support, their newer Adrenos, radios and ISPs,... IMO Qualcomm has gotten lazy since their first release of their Krait custom core And they should have their own custom core based of ARMv8 by now, its been almost 4 years since ARMv8 was first announced

16. waddup121 unregistered

Qualcomm done fu*ked up.

26. alex3run

Posts: 715; Member since: May 18, 2014

Lol, funny that "tech specialists" blame Cortex A57 for Qualcomm's fail. Why doesn't Exynos 5433 (also a 20 Nm SoC) overheat then?

2. TyrionLannister unregistered

Well duh. It was obviously Qualcomm. Apple's A8 and A8x are made on TSMC's 20 nm process and they run perfectly. Clocking the A57 on 2.0 GHz and using custom core switching which favors speed were too much for the poor SoC.

10. TylerGrunter

Posts: 1544; Member since: Feb 16, 2012

The only reason A8 and A8X don't overheat is because the low frequncies they use. TSMC's (and Samsungs) 20nm process does not play nice with high frequencies due to current leakage. If Apple engineers were wise enough to predict it or just lucky I can't tell for sure.

18. Niva.

Posts: 440; Member since: Jan 05, 2015

OK I'm no Apple fan but your comment is just silly. There's a lot of things to respect about the A8/X. For any particular hardware current always leaks at "high" frequencies. Apple engineers should be given credit where it's due, their chip is not the best multitasker but for cell phone usage and the rest of the architecture they share these chips are just damn near perfect. And no, it doesn't mean I'll go buy an overpriced iPhone, but I still respect the good things their devices do and how they're engineered.

22. TylerGrunter

Posts: 1544; Member since: Feb 16, 2012

I´m not saying A8/X not good or that I don´t respect the Apple engineers, so don´t put words on my comment that are not there. I just that it is a good match to the 20nm because it is clocked lower than the competitors. Both Samsung and TSMC decided to go planar on 20nm and that is the direct consequence. So unless Qualcomm had a core as big as Apple did (which would have taken years do do, so it was impossilbe) they didn´t have any good chance to avoid it. And yes, current always leak at high frequencies, but the issue is worse the higher the frequency. So the effect is much worse for the SD 810 (2 GHz) than for the A8 (1.5 GHz).

3. theguy2345

Posts: 1216; Member since: Jun 24, 2014

One of the reasons I am not getting a new phone this year. I don't want an S6, and I don't want to be stuck with a phone that features this lemon. And in all honestly, all these spec bumps may bring more power, but in real life it barely does anything.

5. joey_sfb

Posts: 6794; Member since: Mar 29, 2012

No worry most newly release WP phone are Snapdragon 400 anyway. Never heard any overheating issue for that good old SOC so its pretty much the same for you.

6. theguy2345

Posts: 1216; Member since: Jun 24, 2014

I have an M8 with a Snapdragon 801. Please go away you annoying troll.

8. joey_sfb

Posts: 6794; Member since: Mar 29, 2012 Still a Windows Phone, so why bring Samsung S6 into the picture when you have never even own an Android phone? So who are the one that troll? I hate those silent jab, if you are not prepare to fight please don't start one.

12. theguy2345

Posts: 1216; Member since: Jun 24, 2014

What are you saying? I nearly bought a Z3 when this phone didn't come out. I like the OS a lot, but if there is no high-end phone, I'll switch until there is one. And the reason I mentioned the S6 is because it is the only flagship that doesn't use this garbage processor.

14. joey_sfb

Posts: 6794; Member since: Mar 29, 2012

So what so bad about S6 that you need to put it down repeatedly. There plenty of people that love it and find your comment to be offensive. I will not troll WP if WP fan don't bring Android into your discussion. Since we are mostly mutually exclusive.

17. microsoftnokiawin

Posts: 1268; Member since: Mar 30, 2012

browhy do you have your knickers stuck in twist theguy2345 simply said that he's not getting a new phone this year but the S6 isn't his taste and it's the only phone that doesn't use the 810 so live with it and stop being so salty

21. theguy2345

Posts: 1216; Member since: Jun 24, 2014

You took the words out of my mouth. Literally. It really isn't that hard to comprehend. He is just a troll.

19. Niva.

Posts: 440; Member since: Jan 05, 2015

There's a lot of bad things about the S6, I'll list the first few which come to mind: ridiculous price, Touchwiz, no SD card, no removable battery, not waterproof. There's some secondary facts about the S6 which I don't like: 1440 display instead of 1080 which would've been much better for performance at native resolution, no dual front facing speakers. There, that took me 1 minute, it's far from perfect and I certainly don't want it at that price.

25. joey_sfb

Posts: 6794; Member since: Mar 29, 2012

These are your negative opinions. If you don't want to hear my negative opinions then you have to learn to keep your mouth shut on your own negative opinions. Simple as that!

32. ILikeBubbles

Posts: 525; Member since: Jan 17, 2011

what are we? six? part of being an adult is being able to share negative opinions without getting butthurt..

27. HomerS

Posts: 419; Member since: Sep 19, 2014

The S6 easily survives a waterdrop.

31. ILikeBubbles

Posts: 525; Member since: Jan 17, 2011

so nice to see i'm not the only one who preferrs 1080p on my phone!!! 5" is (at the moment) the perfect size for me.. and anything higher than 1080 is just for epein.. also. front facing speakers

30. ILikeBubbles

Posts: 525; Member since: Jan 17, 2011

"offensive"? really? is that the best we have these days? i would have figured on a forum where flaming is almost encouraged people might not jump so quickly to the "i'm offended" card..

4. Af1rPA

Posts: 712; Member since: Jun 12, 2014

The public expects flagships every year but Qualcomm just couldn't keep up with a 12 month cycle so they built a halfarsed SoC for 2015?

9. ibend

Posts: 6747; Member since: Sep 30, 2014

theyare just lazy dragon now.. mediatek catch up really fast, and Qualcomm cant compete with them in this Q1&Q2

7. medicci37

Posts: 1361; Member since: Nov 19, 2011

This is what happens when 1 company dominates the marketplace.... They get lazy & sloppy

11. mostafawael.1998

Posts: 241; Member since: Oct 01, 2014

I agree the S810 heats up quickly till 40 degrees randomly, but it is never that hot to be called overheating, courtesy of HTC's last minute update that brought some more aggressive throttling. The thing is, sometimes using the phone aggressively makes the phone at 36℃ and sometimes only browsing the phone makes the phone at 39℃ :/ of course gaming specially with CPU-bound games make the phone heat up till 43℃ and using High performance mode makes the game much smoother but at 45℃ (which is the maximum temperature recorded by my M9 till now) i expect future updates will improve both performance and thermals, maybe improved drivers or something. I am optimistic :)

13. hound.master

Posts: 1044; Member since: Feb 27, 2015

All phones get hot when when you use its max power even the S6 gets hot it's normal for every CPU to produce heat the only thing with SD 810 is, is that it compared to Samsung exynos with is superior due to 14nm manufacturing and all the temperature tests are useless and unrealistic i remember a note 2 producing a lot of heat when multitasking and gaming why no one mentioned that?

28. HomerS

Posts: 419; Member since: Sep 19, 2014

15. arch_angel

Posts: 1651; Member since: Feb 20, 2015

qualcomm should only make custom cores cause that's where they shine. and there gpu's are pretty bad ass to. The 820 is going to be a huge step up from the 810.

20. Taters

Posts: 6474; Member since: Jan 28, 2013

If Motorola, Sony, and LG use it without issues like I think they will, I would place some blame on to HTC. They just suck.

23. acecool

Posts: 8; Member since: Jan 25, 2013

this overheating issue is just bulls**t, it's something never been tested officially, even lg g flex2 doesn't have any of it. Try to write things better before you make shamefull article..

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