Xperia Z5 using dual heat pipes to control thermal performance? [Update]

by XB on 4th September 2015

in Xperia Z5 series


Xperia Z5 Dual Heat PipesWe recently reported that the Sony Xperia Z5 appears to do a much better job with the Snapdragon 810 chipset versus the Xperia Z3+ that constantly suffered from overheating. The Xperia Z5 was able to run at least 10 minutes recording 4K video footage and could have gone on for much longer. We wondered whether this was down to hardware modifications or software optimisations. Now we may have part of the answer.

A picture that supposedly shows a teardown of the Xperia Z5 Premium clearly depicts that Sony is using two heat pipes and thermal paste to help dissipate the heat created by heavy processing. Sony first started to use a heat pipe in the Xperia Z2 and also used one in the Xperia Z3, but it only used a single pipe. We can’t say for sure whether the same cooling was used for the Xperia Z3+/Z4, but given the similarity in design, it certainly wouldn’t be a surprise.

Therefore the move to a dual heat pipe design would certainly help manage heat and thus improve the overall performance of the handset. It would be great if Sony Mobile detailed the improvements it made over the Xperia Z3+/Z4, especially given so much bad press over the last few months. Until then, we can’t say for sure if this is the reason why the performance has significantly improved (the picture only relates to the ‘Premium’ and not the ‘normal’ Xperia Z5), but it does sound credible.

Sony Xperia Z3 uses a single heat pipe with the Snapdragon 801 chipset

Xperia-Z3-Heat-Pipe

Sony Xperia Z5 Premium uses dual heat pipes, perhaps to control Snapdragon 810 heat issues

Xperia Z5 Dual Heat Pipes

Update: Here is a teardown of the Xperia Z5, which also shows it is using a dual heat pipe solution to control heat.

Xperia Z5 Dual Heat Pipe

Via Weibo.

Thanks Ben and LEOW_X!

  • Gitarooman

    whatever it is as long as it works, and 2 heat pipe doesnt looks like it would cost much anyway. If the solution is really that simple unlike liquid cooling etc then that would be funny.

  • Mike Gonzalez

    if that prevents it from burning down in flames, then that’s cool *no pun intended*

  • mugglearchitect

    THATS MY SONY

  • xAntifreeZe

    that’s really very cool

  • MarkLastiwka

    you guys are on fire.

  • CELTICJRB

    If it works fine, I’m hot to purchase the premium.

  • nfs2010

    Z5 premium certainly can house more pipes, but what’s in the regular Z5 & Compact ?

  • That explains the increased thickness despite the smaller battery and slightly larger bezels. Good job.

  • the truth

    sony : how to train your dragon…..

  • Vuyo Ncube

    What a world we live in where laptops are approaching passive cooling and smartphones need bloody fans.

  • GigaSPX

    This is seriously conventional innovation at best. Go Sony!

  • Battal

    This’s gimmick , i’ll wait for SD820 and Z6C .

  • Shehab Skull

    MY next phone :’) FUCKIN awesome .. Time to upgrade my z :)

  • DBS

    The fact that performance is also being thwarted to 1.5Ghz may also help.
    At any rate, I don’t believe those reports of 10 minutes 4K recording etc. I’ll believe it when review units start going out and the majority of reviews states the same fact with normal day usage of the phone.

  • H-R-K

    I am impressed…………..

  • Hanzubou

    If only they were using 3 or 4 heat pipes, Voila!, Records 4K till SD card gets full without having to worry overheating

  • Timel

    chill my friends.

  • Anukul

    who had imagined that one day a 3 watt chipset will require thermal paste. thank you idiot qualcomm but amazing work by sony.

  • haxona

    Yee keep not believing if you want to, the fact still stands even my Z3+ handles 20mins of 4K soo 10mins is a breeze

  • DBS

    Your word is no fact.

  • haxona

    My phone is a physical fact that is evidence enough for my claims

  • DBS

    Then pick up a camera, film your claims in full length (no editing) and post it on YouTube. Prove me your claims. Otherwise, your word, to me, is meaningless. That’s what I’m telling you.

  • haxona

    Man you are funny like really you are :P

    If you really want me to upload 5-8GB I would happily do that except that it would take a long time with Youtube’s slow upload speed

  • Timel

    Gimmick? This is the best thing that I heard about Z5 Premium

  • Timel

    LOL I love this comment

  • a.mubher

    Bu..bu…but that is not possible. Some non-delusional people on the internet told me that there is no possible solution. 810 is a disaster and Sony is stupid. s

  • Svnjay

    Is that Strix as in “Asus Strix”? The eyes look familiar.

  • Timel

    Great job Sony!!!

    But I think I will wait for Z6 Premium which will come up with Snapdragon 820 because I heard lots of great news about SD820 and I think it definitely worths the wait.

  • haxona

    Haha yee you guessed right, its the glide model :) I freaking love it

  • lovebmw

    This is hot chili news

  • lovebmw

    It would probably come with dual exhaust from larini or borla

  • nfs2010

    Someone already posted a youtube video. Z3+ can easily do 15 minutes of 4K

    https://www.youtube.com/watch?v=QI6PyiXXpP8

  • nfs2010
  • nfs2010

    We were expecting you to resume your regular operations after this week’s Z5 storm. You didn’t disappoint us – Keep it up :P

  • nfs2010

    Borla, Please :P

  • ????? ????????

    Meh, don’t bother. I bet that you’ll find something to dislike about the Z6 and then the Z7 and then the… :)

  • Nawi

    No Z6C
    Z7C

  • Guest

    Don’t bother with that troll. Now we know why LG’s profits have dropped, they are giving a lot of money on his paychecks for damage control and PR

  • Itsarapong Intoum

    always.

  • DBS

    I wonder if this “Guest” is the low life that had nothing better to do than impersonate me…At least show your face, coward

    (And I wish LG would pay me for something I don’t do. Also…LG’s profits dropped? Since when?)

  • DBS

    I wonder why people all assume 4K video recording…the overheating problems with the Z3+ showed up in normal usage of the phone and photo taking. That’s what I’m interested in seeing if it was solved or not.
    What concerns me about the SnapToaster810 isn’t that it gets hot recording 4K videos or how long it can record 4K videos. What concerns me is that it overheats on normal usage or normal camera usage as the Z3+ did.

  • haxona

    Oh bullshit now you are backtracking from your own comments in here.
    To answer your question dont talk before you have even used the phone personally(with the latest FW) I mailed Xperiablog to do a blogpost about that but they dont care about telling the true truth. Why don’t you stop believing news sites that are bought and use the phone yourself.

    Majority of users has not had problems since the FWs got released not to mention last week’s FW that was a really good.

  • DBS

    No, I’m not. I asked you for proof that the Z3+ doesn’t overheat in normal use. Not just 4K recording. All evidence I see points otherwise.

    If you convince Sony to send me a Z3+ for testing, feel free to. But I’m not wasting money on one. I already have a Z3C which I really like (except for the crappy camera and lack of Qi charching). So until then, I have to rely on reporters. If you feel that they’re not telling the truth, well, you can try to prove them wrong. As the majority of them reported the overheating issues and none have since issued an update talking about a change of scenario.

  • Rr9

    Sony Pictures Inc. in cooperation with Sony Mobile.

  • Rr9

    have u seen the price? $10XX USD converted from the Eu price

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  • Okazuma

    Z5 Premium have to manage the 4K display and that need much more power (so there is more heat) from the CPU
    Z5c only have a 720p display, not really hungy of energy

  • Battal

    This is the best thing you heard about Z5 Premium ?
    Man that gives me an idea how you’re desperate with Sony as i’m, the only thing i’ve seen so far is the camera quality, however,
    Fixing a problem means to eliminate the cause of it, not to transfer it to other places !

  • Itsarapong Intoum

    For the next time :D

  • Timel

    Oh! I see something Z5 Premium copied iPhone 4s design

  • Timel

    How to train your dragon is from DreamWorks Animation actually ^_^

  • Svnjay
  • Timel

    Yeah even Sony has a good solution but please you rather save your money and wait for the Xperia Z6 which will come up with Snapdragon 820
    I heard lots of great news about SD820 and I think it definitely worths the wait.

    SD820 reached 83774 once and 82307 in second test which is freaking crazy
    http://www.techgrapple.com/antutu-score-green-orange-x1-pro-with-snapdragon-820/

    Meet Qualcomm Kryo, it’s very awesome. With Kryo CPU and Snapdragon 820, you can expect up to 2 times the performance and up to 2 times the power efficiency when compared with the Snapdragon 810 processor.
    https://www.qualcomm.com/news/snapdragon/2015/09/02/snapdragon-820-and-kryo-cpu-heterogeneous-computing-and-role-custom

    Qualcomm’s Snapdragon 820 uses machine learning to fight malware
    http://www.engadget.com/2015/08/31/snapdragon-820-smart-protect/

  • nfs2010

    True, but I just wanted to know about the regular Z5 so that we could compare it to Z4/Z3+ ;)

  • Timel

    Troll? LOL so funny, accepting the truth sounds too hard for you that why you called everyone that say bad things about Sony “troll”

    And you know what’s the funniest joke? Like we all know , most disgusting Xperia fanboys here pretty hate and jealous Samsung but now when I said “Z5 Premium copied iPhone 4s design” they choose to believe in Samsung’re words LOL. (you hate Samsung but you believe in them? )

    Those links that you posted it was from Samsung Vs Apple story So you need to stop post that same old bullshit story that once time Samsung used Sony as their tool against Apple, I bet that most of brainless Xperia fanboys here don’t even know what the hell is ‘jony concept ‘ until Samsung used it against Apple

  • Svnjay

    It’s “Jony”. that’s one letter away from Sony. Also, Apple designers were specifically asked “What would Sony do?”.

  • Timel

    He’s just jealous that even the sixth generation of Z series , Sony still can’t create the best smartphone camera as LG did with their G4.

  • Stylinred

    the EU and UK are always more expensive even before considering the VAT thats included in the price

  • Stylinred

    now if only the premium or compact came in that Green that the Z5 comes in :/

  • Timel

    I think in that era, Apple meant “look why Sony is very success with their Walkman, we gotta create something which cool enough to complete with Sony”

  • Svnjay

    Apple is just a copycat :^)

  • Timel

    I think not only Apple but Sony also took many ideas from Microsoft as well

    Sony is just a pro copy machine

  • Svnjay

    I like how you’ve changed the subject. https://en.wikipedia.org/wiki/Red_herring

    Nah, the only who’s catching up is the iPhone with 1GB of ram and 8MP camera. Is it 2010?

  • wil Rock

    now i’m expecting a water cooled phone from sony….

  • Timel

    C’mon Svnjay, iPhones didn’t run Android, they’ve ran iOS. iOS architecture has a huge difference from Android
    In this world there’s only android users that crazy too much about specs and numbers while Apple care user experience the most

    In IT industry we all know that iOS don’t need high specs like Android, it can run smoothly and stable on low specs, even 1GB of RAM and dual core processor on iPhones which powered by iOS still can run smoothly and much faster than 2015 Android flagships devices anyway, In the other hand Android users still face with experience lag even Android phones have 8-10 cores processor and 4GB of RAM.

    And iPhones have 8MP right? Okay like Ive always said

    “More Megapixels does not mean more quality”

    I think this thing all Xperia users know fucking well LOL

    Your 21-23mp of Xperia flagship phones still can’t beat 8MP of iPhones, everyone know this hehe.

  • Svnjay

    “In this world there’s only android users that crazy too much about specs and numbers while Apple care user experience the most”

    Is that why the iPhone can keep apps open in ram? Is that experience?

    “In IT industry we all know that iOS don’t need high specs like Android, it can run smoothly and stable on low specs, even with 1GB of RAM and dual core processor on iPhones which powered by iOS still can run smoothly and much faster than 2015 Android flagships devices anyway,”

    Untrue, also, the Moto G has 1GB or ram and dual core and runs smoothly.

    “Okay like Ive always said “More Megapixels does not mean more quality””

    Yet, there are Android phones with better cameras than the iPhone. Just look at Dxomark.

    “Your 21-23mp of Xperia flagship phones still can’t beat 8MP of iPhones, everyone know this hehe.”

    Dxomark says otherwise about the Z3+. Also, the Z5 obliterates the iPhone. http://www.phonearena.com/news/First-Xperia-Z5-vs-iPhone-6-Plus-vs-S6-vs-Z3-vs-G4-camera-samples-comparison_id73408

  • Timel

    DxOMark has their standard, science and math which is very cool actually. But trust me, most people care about the results in reality more than DxOMark

    I dare you to do camera blind testing between iPhone 6s and Z3+ and let’s see which phone that most people will choose to be the winner.

  • Timothy Crayon

    Ha HA HA HA

    Mr. Idiot…..are you serious??

    Go away… go back to your sucksung playground…..lick the tool of your korean crap master…..

  • Svnjay

    The Z3+ will produce sharper images. Also, the Z5 obliterated the iPhone in the link that I posted

  • Timel

    Why are you so obsessed with me? Uh?

  • Timel

    That Sony is mine

  • Iki

    One thing i’m starting to wonder… What other phone out there does 20 mins of 4k video? Most are limited at 5.
    The z5 has been reported to record 4k for 32 minutes.

  • Le Kawaii Potatoe

    Heat sink or heat pipe?

  • Le Kawaii Potatoe

    TL;DR

  • Le Kawaii Potatoe

    Hey, hey, calm down. Timel didn’t say anything bad about Sony.

  • nfs2010

    Timel. Please do us a favor by checking out 2009 Walkman X (glass build & OLED). Now you tell us how Apple copied that design & how Z series evolved from that design. Do you also know that Apple copied their cute macbook chiclet keyboard from Sony? I’m not an Apple hater, but Sony even in their darkest days put out more beautiful designs than what Apple could ever imagine.

    http://www.slashgear.com/sony-walkman-x-review-is-an-oled-touchscreen-the-future-1143430/

  • nfs2010

    Come on, Svnjay. Apple just copied Sony’s 2009 Walkman X to make their iphone 4.

    http://www.slashgear.com/sony-walkman-x-review-is-an-oled-touchscreen-the-future-1143430/

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  • lel, according to actual reviews it shuts down in 30 seconds of recording 4K video. Yet another undeniable flop by soon-to-be-bankrupt Pony immobile. I bet it feels good to loose more than a million dollars a day just to keep this pathetic bunch of loosers going :D

  • Sony will get em out by CES (just in time to piss off all the 3 suckers who will buy the Premium POS) and then in late 2016 Pony mobile will go the way of VAIO ;D

  • iia3ezu

    Hmm… if Snapdragon 810 v2.1 had indeed solved the heat problems, surely there wouldn’t be a need to get this crazy for cooling the phone, amirite?

    I still think the Snapdragon 820 is the real deal, with much less heat dissipation. The 810 is a flop just like the Fermi cards from nVidia back in the day. Qualcomm screwed up. Time to move on.

    I can’t wait for the Xperia Z6 in Q1 2016.

  • iia3ezu

    The phone is waterproof. You can just put it into a bathtub or a swimming pool.

  • iia3ezu

    I really want the phones to reach the 75% screen-bezel ratio of the C5 Ultra. Is that too much to ask for?

  • Amel_Marie

    Snapdragon 810 is good in performance and graphic quality, that’s why Sony still wants to use it in their flagships rether than Mediatek despite the processor heats a lot. Sony made a solution by installing a heat sink or some kind of heat reducer to overcome this situation, there’s no other choice, 810 is the best processor in 2015. Think about it, why Sony wanted to use Snapdragon instead of Mediatek although 810 really heats? At least sony had some solution. They heard our complains after all :-)

  • Hideg Jen? Péter

    Or? Open and close from watercooled. (genius idea, but not bad idea)

  • Amel_Marie

    Blind camera comparisons are for bias and stereotypes. Im a huge Sony fan and I kind of dissapointed to see the quality of photos from sony. Im not a photographer, I used to like photos that sharp and rich in details. Most of us are not a phtographers. I like sony because its one of the most stable ui in any android devices, stereo speakers, and the battery life epicness. If Sony’s camera quality was same as the apple or samsung, Sony can go further and stand along with other top notch smartphones makers.

  • Geese Howard

    Nice move, now if any heat issues come up that is purely on Qualcomm.

  • Joshy Sensei

    Qualcomm is really pathetic

  • Stylinred

    the screen to bezel ratio on the C5 is sweet!

  • From this Z4 teardown I only see one heat pipe, so it seems a dual heat pipe could indeed help any thermal situation. http://www.witrigs.com/blog/sony-xperia-z4-teardown/

  • Great Dude

    I don’t believe you and I accuse you of lying and spreading misinformation while trolling.
    Give a source or this didn’t happen.

  • Alvin

    i know it’s a bit contradicted of what I said before.. but for real, sony must make their own soc if snapdragon doesn’t learn how to improve..

    and don’t use exynos.. please @sony

    and one more…. Your comment might wake me up from my TRIPping because your comment is a good one lol

  • Alvin

    just like their z5 commercial “it doesn’t take a superhero, all it takes is a great phone with an outstanding camera”… because Japan people and especially sony people and engineers are actually so so smart and innovative..

    I just love what innovations and how they improve and their long and winding ways to improve from z3. And now, look at sony, their z5 are unbeatable.

    and i also love how people dump the joke z3+, in those comparisons in camera, and other things, and replace the z3+ with z3 for comparisons. I just want to laugh hard really.. but can’t take people mock my z3 because it is now mediocre, unlike it used to be before lol

  • Alvin

    chill out mate he’s joking

  • Alvin

    yeah, apple used sony as an ‘inspiration’ or some s*** ‘way to learn from a good company’.

    that is their scheme to copy sony things, especially design… so samsung isn’t the only one who copycat things.. but actually, apple is the bad ones, because a copycat calls a copycat a copycat isn’t forgivable.

  • Alvin

    yeah you all know what… even though a z3 (or my z3) have 79 score there and that s6 edge have 86…. well you all know what.. i can’t believe this but b**** please my phone fares better in low light, my z3 is far far better, like earth and sun better in focusing, especially in low light than s6 edge.. also indoor photos are better with z3 where outdoors s6 is better… s6 are better with hdr, details, greens, and whites… but in colour
    accuracy and eye popping colours, well z3 is better.

    just do it with a z3, not z3+ and let’s see too :D

  • Alvin

    i was about to use zoo and swear words that comes into my mind to that guy… i don’t even know what he’s talking about

  • Alvin

    okay it’s a jalapeno-fighter news.

  • Alvin

    then buy it in southeast asia and some other countries… where even z3+ costs 100 to 200 dollars less than other countries.

  • Alvin

    fortunately you’re the one who is firing.. not the phone

  • Alvin

    No. mine.

  • Alvin

    YEAH THAT IS NOT POSSIBLE… A SONY BRAND + SNAPDRAGON 810 = DISASTROUS ORDEAL… THAT IS BAD, THAT IS SO BAD.

    PREPARE FOR 80 CELSIUS PARTY IN YOUR POCKET NOW. s

  • Alvin

    all those which is totally fine to me

  • Alvin

    better you get that beautiful and awesome s6 edge, g4, m9, m9+, or iphone 6s mate, those are awesome unlike this bullshit from sony
    .
    .
    .
    .
    .
    .
    a definite sarcasm/

  • Alvin

    DBS didn’t realise that review units are better than pre production units. so you can shut up and take those words back to you and just see his comments, mate.. :D:D:D

  • Alvin

    i am not even surprised with that video, because i could tell even with my own z3 and s6 edge… s6 edge really always have heating issues like once a day

  • Emil Oskarsson

    More megapixels gives you more digital zoom without loosing details though. Thats why Sony is using a 23 MP lens….

  • kanazai2001
  • Timothy Crayon

    Ha HA HA

    An idiot like you ……poor sucksung fanboy….

    How come stay here ??

  • CELTICJRB

    Where the hot air escape???

  • Timothy Crayon

    Ha HA HAHA

    To suit you, Iexpress a way to suit you…….

    ALIENS….IDIOT……CREATURE……

    Anyway, your speech your attitude merely exposed your standard of living with “narrow vision” and only able to read English…….POOR

    Can’t understand Chinese and Japanese…… and even your shamesung korean language…..

    As a matter of facts, you merely believe korean crap is good…..
    Denied other’s opinion…….

    So why stay here ??

    Behave yourself, dun express meaningless and nonsense idea here……

    DO YOU UNDERSTAND?? Or do u realize the truth?? LOSER?

  • Timothy Crayon

    I’m telling you the hell you are living in…..Appraently!

  • Update, XperiaBlog, please )
    From here – https://www.youtube.com/watch?v=ZqPlSySxyzQ&feature=youtu.be&t=201

  • Sadman Khan

    Southeast Asia is the best place for buying xperias :P

  • Sadman Khan

    Man, Z3c doesn’t overheat :| I use one and it’s fantastic and stable

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  • Alvin

    Ikr lol. Lucky I live there

  • Xperia user

    Check this comparetion then come and tell me if iphone’s camera is better than sony’s 23MP cam .

    http://www.phonearena.com/news/First-Xperia-Z5-vs-iPhone-6-Plus-vs-S6-vs-Z3-vs-G4-camera-samples-comparison_id73408

  • Afzal Zainal Rddz

    I think btekt already cover z5 heating issue. No overheat while recording 4k format for more then 10minutes and the device only get warm. I assume z5 also using dual pipes since the thickness equally like z3 but the battery capacity 2900mah less 30mah then z3+ so there must be a space to located second pipes since sony reduce the batt capacity with z3 thickness who had 3100mah with one heat pipes.

  • Great Dude

    You said :

    according to actual reviews it shuts down in 30 seconds of recording 4K video

    And in the link you throw, there wasn’t any thing about shutting down in 30 seconds of recording instead they said :

    And no, we were not even recording the demanding 4K video that is known to cause phones to get hot

    So to me the reason seems to be a bug especially since they said :

    Put simply, the camera app shut down with no apparent reason

    While if it was overheating then a note of the device is overheating would appear like in the Xperia Z3+ .

    Remember, that phone wasn’t a review phone nor a customer device but a non-final prototypes and remember that in your link it said :

    non-final prototypes and those issues might be resolved in the final version of the handset.

    Finally, don’t upvote yourself ,that is sad.

  • Gary Ohanian

    Here’s your butthurt (10 min and still going):

    https://www.youtube.com/watch?v=1BfBakhs8To

  • kanazai2001

    it is depend on usage…
    Im constantly suffering from the overheating problem (above 45 deg C) with my z3c till the front screen panel get lose…

  • kanazai2001

    im a heavy user… 2 days battery life is not enuf to last me for 8hrs…

    yeah… it might be unusual…

    but im really frustrated with the Z series on the overheating problem…

    my previous Z and Z2 are having the same problems on rear panel due to overheating…

    and now my z3c on the front… T_T

    may b im overloaded it like AR effect + throw too often…

    or often multitask on various chat apps at the same time…

    or could b others fact…

    but i really surrender on the heating effect on Z series…

    i have no problem with xS, xGO or even my current temp phone xE4G…

  • kanazai2001

    z5c has no heatpipe?! @@

  • Looks like this..

  • Sadman Khan

    I honestly don’t have any problems and i am a heavy user. I’m always using 3G/wifi and i use email,social networks and everything. I didn’t have problems on my old Z Ultra either :/ and i also use the camera a lot. Maybe you are confusing heating with overheating. Overheating would be if apps close down and performance becomes sluggish. All phones nowadays heat now because of the powerful processors

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  • RoberMC

    iPhone 8MP is ridiculously low for proper zooming and/or cropping. It is a major flaw. They are good to see in the iPhone screen, and some times in a good monitor, but nothing else.

  • RoberMC

    Every time a new sony device arises, he says it is crap, and that we should wait for the next, and when the next arises, he advises the same X’D, this guy is a tool.

  • RoberMC

    Nowbody knows how will be the SD820. Qualcomm only said how wonderful the SD810 was before launch, then had the overheating issues in their first model. do you think they will mention any negative point about the SD820 before launch?

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  • sebastianer

    Even my Nexus 5 with Snapdragon 800 throttles a LOT when I’m just using it with Tapatalk/Chrome/Google+/etc/etc for over 5 minutes.

    NOT TO MENTION gaming, the 1080p resolution of my Nexus 5 kills the Adreno 330 in most heavy games and the phone starts heating a lot (I think without even reaching 60 fps in most games).

    I consider this kind of solutions, that we already see in notebooks, a good idea for all hie-dn smartphones no just the oven 810.

    Many phones with hi-end SoC enjoy the full speed during the first minutes/seconds of constant usage.
    After that start throttling to a mid-end frequency.

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  • Konoha the Wiper

    where’s this z6 then

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