#7800x3d

173 messages · Page 1 of 1 (latest)

magic flare
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Hi, i built my t1 today with 7800x3d, asus b650e-i wifi and my cpu sits at 75c idle. Im on the latest bios

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my bios is set as default, only XMP enabled

lilac kindle
magic flare
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the cooler sits correctly, ive checked that 3 times

lilac kindle
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which cooler?

magic flare
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axp90x53

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black one

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even with fan at 1200 rpm it should sit at 75c at idle

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i have tried pbo at -20

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changed nothing

lilac kindle
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I hate to ask this

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you did peel off the protective cover right

magic flare
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yeah

lilac kindle
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aight. and...long or short screws, stock mobo backplate or thermalright one, and what paste?

and can you get any pics of the mount? (both backplate and of the cpu socket from the side if possible)

magic flare
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ill take it apart gimme a sec

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15 mins

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Its correctly mounted

lilac kindle
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it...would seem that way

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what the fuck

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honestly at this point I feel like the only possible thing is the CPU's fucked

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something wrong with the IHS maybe?

magic flare
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Seems normal

lilac kindle
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I mean it doesn't have to be much off to cause this

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like a 10 micron gap would absolutely fuck it

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can you easily return and get a new one?

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(could also be cooler technically but I don't think it would be THIS drastic. If you wanna be safe you could return both).

magic flare
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Idk everything looks normal

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Also will pc explode if i don't clean tiny fingerprint of cpu?

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The side thst makes co taxt with socket pins

lilac kindle
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no, but your family will die (it's fine but not preferable)

magic flare
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I dont have isopropyl alcohol on hand

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Forgot to order when i used it all

lilac kindle
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grocery store upswag

magic flare
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But man

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Why this have happened

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Im home for 3 days!

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To build this pc, Play some and go back to work

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To another county

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And hellyeah this cpu cooked

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It runs games fine

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It works fine

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But is it hot

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I expected 45-55c idle

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But not 79c

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I spent 6 hours

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7*

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Trying to figure out whats wrong

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Maybe its the bios?

meager carbon
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This isn't the copper right?

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Normal x53

magic flare
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No i belive its aluminum

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Yeh

meager carbon
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Oh no

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Swap it out for the x47 copper

magic flare
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Its going to exlode if i dont?

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Its made to run hot or what

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I've seen its okay on benchmarks and fits in t1

magic flare
lilac kindle
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like...up to 3-5c worse, depending on circumstance

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copper conducts heat a lot better than alu

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it's not why this is currently fucked

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but I digress

magic flare
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Theres no reason for it currently

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It wont drop 30c on idle temps

meager carbon
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Get the x47 copper

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Am5 naturally runs hot

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Every air cooled t1 build as a x47 copper for a reason

magic flare
meager carbon
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Then enjoy your hot cpu and deal with it

lilac kindle
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....what

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chill

magic flare
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Sure helped

meager carbon
lilac kindle
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what the fuck kek

meager carbon
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Cu > alu as a conductor

lilac kindle
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.....

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like I'll any day say getting the copper is worth

magic flare
meager carbon
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Every air cooled build has a x47 copper, why break the mold

lilac kindle
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but him having the alu cooler is not making the fucking 25+ C difference here

magic flare
lilac kindle
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I don't get why you're hounding his ass about that. He knows it's better. He's not too concerned about that right now given he's 80% of the way to throttling at idle.

magic flare
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If ur not trying to help even a little bit dont comment on the post lols

meager carbon
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If im not helping out ill Peace out

magic flare
meager carbon
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X47 copper 👍

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Bye

lilac kindle
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okay so anyway

magic flare
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Return the cpu

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...

lilac kindle
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I would return the cooler too tbh

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there's something between the silicon and the air that's not conducting heat

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based on how extreme it is, I think it's the CPU. But....I don't really have a way to rule out the cooler.

I'm really just running off past experience (of which in this there isn't much to go off) and intuition.

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just...out of curiosity, what happens if you run a benchmark or something

magic flare
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89 dead on he spot

lilac kindle
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yup that's a big fat throttle kek

magic flare
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Clock speeds werent bad tho

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Above 5.2 if i remember

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but yeah

magic flare
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but when the cooler is 1400rpm

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and exhaust is at 1100

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idle

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insane

magic flare
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@lilac kindle i think i found solution

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just crank the shit out of the fan

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its minimum 1100 rpm

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and it runs at around 65c

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mid 60s

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idle temps now

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maybe i just got used to big tower coolers

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that i set the fan curve as it was bigger

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andi need to be agressive af with smaller ones

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(im trying to talk myself into custom loop) lolz

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fan curve for cpu fan

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still not sure if 65c on such small cooler is considered normal

lilac kindle
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It's not, there's something wrong, but peeposhrug

magic flare
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so shall i still return it?

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my mate said his ran about same

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but the chip is from china

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not malysia

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looks like x3d chips quality is all over the place

lilac kindle
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@shadow goblet what's your 7800x3d idle under the x36?

magic flare
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looking at reviews and talking with users

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mines now 60s

shadow goblet
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gimme a bit to think

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assuming my high load was about high 80's and it's tuned, I think it's like 50-60ish(granted it's without side panels on)

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fan is tuned as well

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so yeah, may need further tuning than PBO itself

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as in, CO is not enough on its own

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you gotta fiddle with ETC,TDC,PPT values

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I can share my tune if you want

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and see what that does

magic flare
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so 60c is considered 'normal'?

shadow goblet
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yeah AM5 is warm at idle. I get 55-60c on 7600 stock under a 47mm FULL copper cooler

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but YOUR idle is fucked

magic flare
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im thinking about returning the cpu

shadow goblet
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Values are ppt 75, edc 65, tdc 70, CO -10

on an AsRock B650E ITX PG

magic flare
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it could be an easy build

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but nahhhhh

shadow goblet
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it is what it is

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shit's difficult sometimes

meager carbon
magic flare
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500km from germany one way

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but now i need to take it apart tomorrow

shadow goblet
magic flare
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yeah off

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so

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im returning it and hoping for better ye?

lilac kindle
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I think so. I can't personally think of what else is up.

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@magic flare what fan % were you at before, when hitting 75c idle

magic flare
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700-900s

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i think

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now lowest it will go is 1100

fossil quest
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Congrats on matching my 7800x3ds shit behavior tho. I just beheaded mine to fix it

magic flare
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okay i got the cpu to be at 4.6-4.7ghz while full stress test

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at 89c limit

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i just ended the cpu stress test

magic flare
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yeah 70c idle

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still going back