Mystery processor HELP ME !

[Yullator]

HI everyone,

I need help as I am dealing with a weirdly behaving processor at the moment.
I bought an i9 10900k used on leboncoin (french craigslist), it arrived in it's original box, everything seemed fine at the moment.
When I installed it in my Gigabyte z490m gaming X the bios recognised the CPU as an i7-10700k. I updated the bios and checked the compatibility on gigabyte's website and despite off the 10900k being compatible it was stil recognised as a 10700k.

I thought that I had been scammed and the CPU was relidded as it seemed to run a bit on the hot side.
To check that I delidded it and it seemed to have already been opened as it was really easy to pop the IHS.

But the weirdness starts here. I searched online for some images of the dies of the 10900k and 10700k.
I was shocked to find that the CPU I had was indeed a 10900k, no mistake possible here I even mesured the die with callipers, (also the dies of the 10700k and 10900k are nothing alike).
Oh and windows only sees 8cores and the 10900k has 10.
I tried userbenchmark and I get the scores of the 10700k.

What do you guys think is going on here ? If the cpu was bad why would it register as another completely different model ? Could the motherboard be bad and only detect 8 cores ?
I have tried everything to understand this CPU but it is way to weird for me...

Thanks in advance !

EDIT : added CPU-z screenshot
2nd EDIT : I am dumb and i misread some information about the dies, this is just a regular scam

[CommanderAlex]

Welcome to the forums!!!

 

Download CPU-Z and check there to read what the software reads your CPU as. Did you do a processor upgrade? 

[Yullator]

Thanks !

Sorry i forgot to talk about cpu-z, I added the screenshot in the original post.

I upgraded my system overall. I kept my GPU (because you know the apocalypse) and RAM byt i changed everything else.

[svmlegacy]

14 minutes ago, Yullator said:

HI everyone,

I need help as I am dealing with a weirdly behaving processor at the moment.
I bought an i9 10900k used on leboncoin (french craigslist), it arrived in it's original box, everything seemed fine at the moment.
When I installed it in my Gigabyte z490m gaming X the bios recognised the CPU as an i7-10700k. I updated the bios and checked the compatibility on gigabyte's website and despite off the 10900k being compatible it was stil recognised as a 10700k.

I thought that I had been scammed and the CPU was relidded as it seemed to run a bit on the hot side.
To check that I delidded it and it seemed to have already been opened as it was really easy to pop the IHS.

But the weirdness starts here. I searched online for some images of the dies of the 10900k and 10700k.
I was shocked to find that the CPU I had was indeed a 10900k, no mistake possible here I even mesured the die with callipers, (also the dies of the 10700k and 10900k are nothing alike).
Oh and windows only sees 8cores and the 10900k has 10.
I tried userbenchmark and I get the scores of the 10700k.

What do you guys think is going on here ? If the cpu was bad why would it register as another completely different model ? Could the motherboard be bad and only detect 8 cores ?
I have tried everything to understand this CPU but it is way to weird for me...

Thanks in advance !

EDIT : added CPU-z screenshot

You clearly have a 10700K that has been relidded with a 10900K's lid. The 10700K and 10900K share the same die stepping and silicon size.

[Yullator]

As you said that i was checking the size of both dies and i seemed i misread something ...
The image I used was about a 11700k .......... I feel dumb sorry for your time this is just a regular scam....

thank you nontheless

[Mnky313]

Yeah, It's a 10700k. It seems the dies look Identical. Where did you see that they were completely different?
 

[Yullator]

2 minutes ago, Mnky313 said:

Yeah, It's a 10700k. It seems the dies look Identical. Where did you see that they were completely different?
 

I misread some information about the 11700k i feel really dumb right now ...

https://videocardz.com/newz/intel-core-i7-11700k-rocket-lake-cpu-has-been-delidded

[Mnky313]

1 minute ago, Yullator said:

I misread some information about the 11700k i feel really dumb right now ...

https://videocardz.com/newz/intel-core-i7-11700k-rocket-lake-cpu-has-been-delidded

whatev, it's all good. Took me a hot minute to find any information as well. There's like no pictures of the 10700k die only the 10900k :).

Edited June 21, 2021 by Mnky313
no stop emoji cringe

[tdkid]

sorry to say you have been scammed. you bought a USED cpu from what amounts to craigslist. as far as i can tell CPU z doesnt make a mistake so what you bought was a i7 10700k relided with an i9 10900k kid and you paid for that. first thing is NEVER buy a USED CPU, sure there are some that just want to upgrade and want to sell for cheap but most are broken and a waste of money so not worth the chance. the second thing is NEVER buy from craigslist unless you dont plan on not using it and are just going to take it apart to learn how it works. your CPU should run a little hot if you inncorrectly applied the thermal paste wrong not just because its running hot.

 

sorry again. i would file a complaint against the account that sold you this part with the proof that you bought a i9 10900k but your system is saying its a i7 10700k.

[jaslion]

8 hours ago, tdkid said:

sorry to say you have been scammed. you bought a USED cpu from what amounts to craigslist. as far as i can tell CPU z doesnt make a mistake so what you bought was a i7 10700k relided with an i9 10900k kid and you paid for that. first thing is NEVER buy a USED CPU, sure there are some that just want to upgrade and want to sell for cheap but most are broken and a waste of money so not worth the chance. the second thing is NEVER buy from craigslist unless you dont plan on not using it and are just going to take it apart to learn how it works. your CPU should run a little hot if you inncorrectly applied the thermal paste wrong not just because its running hot.

 

sorry again. i would file a complaint against the account that sold you this part with the proof that you bought a i9 10900k but your system is saying its a i7 10700k.

I disagree here.

 

I do recommend buying any used components.

 

HOWEVER ONLY WHEN YOU CAN TEST THEM. Or if on ebay you can pay with paypal. The amount of yolo garbage I haven't gotten from there is astounding but I've also gotten some big steals. Most annoying thing is that when a scam or false product happens you are left with it after you get your money back :p.

[tdkid]

2 hours ago, jaslion said:

I disagree here.

 

I do recommend buying any used components.

 

HOWEVER ONLY WHEN YOU CAN TEST THEM. Or if on ebay you can pay with paypal. The amount of yolo garbage I haven't gotten from there is astounding but I've also gotten some big steals. Most annoying thing is that when a scam or false product happens you are left with it after you get your money back :p.

craigslist is basically an online garage sale. there are some good things on it but 95% of it is nothing but junk others have broken or used so much it doesnt work correctly anymore. i would never buy any computer components from thje site unless i was going to take them apart to see how they worked. 

[jaslion]

2 minutes ago, tdkid said:

craigslist is basically an online garage sale. there are some good things on it but 95% of it is nothing but junk others have broken or used so much it doesnt work correctly anymore. i would never buy any computer components from thje site unless i was going to take them apart to see how they worked. 

This is where my way of doing things prevents most of the issues. Yes of course things can and WILL still go wrong but this already doesn't set you up for failure from the start.

[tdkid]

Just now, jaslion said:

This is where my way of doing things prevents most of the issues. Yes of course things can and WILL still go wrong but this already doesn't set you up for failure from the start.

your way of doing things is what most people can not do. in order for you to be able to test a computer component and depending on what that part is, you are going to need a PSU, motherboard, GPU, CPU, RAM, storage, CPU cooler, and most likely open air test bench and a portable power supply to be able to power the system up for each component you are going to test. i dont mean you are going to be testing 20 components so you need 20 CPUs, RAM kits etc. but if you are going to be buying an intel CPU for yourself and an AMD motherboard for a friend's build, then you need to carry around the extra parts with you so you can test them. most people cant do this. when its other things like a bicycvle, lawn mower or other things like this then yes people can test and should test but computer components most people cant and that is what most scammers count on.

 

 

[jaslion]

2 minutes ago, tdkid said:

your way of doing things is what most people can not do. in order for you to be able to test a computer component and depending on what that part is, you are going to need a PSU, motherboard, GPU, CPU, RAM, storage, CPU cooler, and most likely open air test bench and a portable power supply to be able to power the system up for each component you are going to test. i dont mean you are going to be testing 20 components so you need 20 CPUs, RAM kits etc. but if you are going to be buying an intel CPU for yourself and an AMD motherboard for a friend's build, then you need to carry around the extra parts with you so you can test them. most people cant do this. when its other things like a bicycvle, lawn mower or other things like this then yes people can test and should test but computer components most people cant and that is what most scammers count on.

 

 

True most people can't test hardware. So then you go to a less risky option.

 

You don't have to test it could very well be the seller still has it in a operating fashion or what not.

 

All you can do is ask and wait for an answer. If testing is not possible you simply do not buy it.

[tdkid]

3 minutes ago, jaslion said:

True most people can't test hardware. So then you go to a less risky option.

 

You don't have to test it could very well be the seller still has it in a operating fashion or what not.

 

All you can do is ask and wait for an answer. If testing is not possible you simply do not buy it.

and the less risky option for craigslist is to aviod it. buy new or even used from a store

[jaslion]

Just now, tdkid said:

and the less risky option for craigslist is to aviod it. buy new or even used from a store

Or ebay. They basically auto side with the buyer. It's how I ended up with a bunch of gts450's :p.

[tdkid]

Just now, jaslion said:

Or ebay. They basically auto side with the buyer. It's how I ended up with a bunch of gts450's :p.

thats not really a good site either for that very reason. to many people can scam being the buyer saying what they bought didnt work. the only way for the seller to win is to have proof it was working before they sold it which most people do not want to do,

[Middcore]

I have bought and sold many used CPU's without misfortune. 

[jaslion]

2 hours ago, tdkid said:

thats not really a good site either for that very reason. to many people can scam being the buyer saying what they bought didnt work. the only way for the seller to win is to have proof it was working before they sold it which most people do not want to do,

Exactly. Perfect for a buyer because it HAS TO WORK or they get their money back.

[tdkid]

45 minutes ago, jaslion said:

Exactly. Perfect for a buyer because it HAS TO WORK or they get their money back.

well yes an no. without proof to back up that you sold a working part of anything i can simply say "they sold me a borken part" how would you prove me wrong since i know have the part and with a simple lie my money too so i can go on to do it again? ebay is a good site but if you are going to sell on it like other sites make sure you have some way to verify what you are selling is what you are selling so the buy has less of a chance to scam you out of your money for selling the part.

[CryingWimp]

Used PC parts are a great value, just requires being careful. IMO, I try to only buy expensive stuff from my country and from heavily reviewed sellers. Local is ideal, but usually harder to find great deals.

 

I've never been scammed on eBay, several dozen PC parts bought/sold over the years. I've only been scammed from an Amazon affiliate  Amazon very quickly refunded me though and I got to keep the item, so I came out ahead in that one 

 

Really shitty to hear about you being scammed, hopefully you got a good enough deal on the "10900k" that even a 10700k doesn't hurt too much for what you paid. You might be able to get a refund?

 

A 10700k is amazing for gaming, hopefully you didn't need it for multithreaded performance.

[jaslion]

45 minutes ago, tdkid said:

well yes an no. without proof to back up that you sold a working part of anything i can simply say "they sold me a borken part" how would you prove me wrong since i know have the part and with a simple lie my money too so i can go on to do it again? ebay is a good site but if you are going to sell on it like other sites make sure you have some way to verify what you are selling is what you are selling so the buy has less of a chance to scam you out of your money for selling the part.

This topic is about buying not selling.

[tdkid]

10 minutes ago, jaslion said:

This topic is about buying not selling.

this topic is about OP trying to fiogure out why the CPU they got is not the one they paid for and it was quickly determined to be the seller who scammed OP into buying a CPU that they thought they were going to get.