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So my 6700k is under-performing because of this?

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Hey fellas. I don't post, not much at all, because I am a build a PC after lot of research and then forget about it type of guy, Lol. So I built this 6700k system (upgrading from a i7-950) in 2016. Since then I am using it. Out of habit I change the TIM on the processor once or twice a year, and yesterday I thought about cleaning the PC and change the TIM. Now as I took the processor out of its place and for no reason at all turned it over, I was a bit shocked. Because I noticed at least 7-8 spots where those golden coating is discoloured. I can't express it properly, because i don't speak English but please see the attached photos below herewith (pardon the mobile camera quality).

Underside of the processor- https://photos.google.com/photo/AF1QipNkTrpwDUKGh6xCYFRNUPsdenrF0Hd1ATYim7QG (Unedited)

Another one just in case- https://photos.app.goo.gl/2M6UrUDWRHa3T47t7 (Unedited)

(Edited; added thin red circles around the affected spots, PLEASE ZOOM IN)

Processor socket pins- https://photos.app.goo.gl/1yMpwRwDknqsWPc78 and https://photos.google.com/photo/AF1QipNXfCBMZee4MWREIRwSPJAs3vRyAvWgz2gyXZ9B (I don't notice any bent or burnt pins here, do you?)

Since then I thought it has happened due to overheating of the processor or something, well I do live in India after all. Didn't care much, but then I thought performance of the processor might be degraded because of this and I think I am right. So I went ahead and ran a few benchmark software and in almost all of them the scores are below average/standard for a 6700k I notice.

Benchmark results:

Cinebench- (The legitreview article said they got 931/183 on theirs)

TimeSpy 1.0- (I am yet to see a score below 5000 for the 6700k)

Firestrike 1.1- (GPU score might be okay but kindly focus on the CPU score only)

Geekbench- (Again, google search says the average geekbench score for 6700k is 1156/4487)

Passmark/CPUmark- https://i.imgur.com/v5l3oX2.png (No idea about this one)


Now what should I do here? Like try to RMA it? Its out of warranty anyway! Or just try to clean it with alcohol and just run as it is?

PS- I am just worried about its performance mainly and also that the damage stays where it is, doesn't spread more, that's all. I have plan to use this CPU for two more years at least. Just note, that since buying the system, I have never Overclocked it, everything is running on stock. Even the RAMs I have are 3000 Mhz modules but I don't use the XMP profile so they run at a lower freq. than their default.

Kindly help me out here. Thanks in advance.
 
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Best way to check performance is to check the details on clocks, voltages, temperatures in something like HWInfo64.
But yeah, those pin connects don't look good.
 
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Benchmark results look more or less normal, a bit on the lower side but you said you're running your ram slower than nominal. So it doesn't seem like performance is affected, and it's stable right?
Ever had any power surges or other power related incidents? Those pins look scorched to me, but I'm no expert.
 
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What I see isn't good, but I would expect serious errors if pin(s) weren't making contact, not just mildly decreased performance. The decreased performance could be anything, starting with RAM and/or incorrect settings in the BIOS. Also, pin/pad damage doesn't just magically appear and spread. It's caused by repeatedly releasing and then tightening the socket lock-lever. STOP CHANGING YOUR THERMAL PASTE TWICE A YEAR LIKE A LUNATIC
 
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I only change thermal paste if I think it's bad based on temperatures.
The two oldest systems I still use were built in 2013 and 2014 and they are still using the original thermal paste. And I'm not noticing any cooling degradation.
 
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What I see isn't good, but I would expect serious errors if pin(s) weren't making contact, not just mildly decreased performance. The decreased performance could be anything, starting with RAM and/or incorrect settings in the BIOS. Also, pin/pad damage doesn't just magically appear and spread. It's caused by repeatedly releasing and then tightening the socket lock-lever. STOP CHANGING YOUR THERMAL PASTE TWICE A YEAR LIKE A LUNATIC
What does changing thermal paste have to do with what's happening underneath the CPU? Looks like a combination of moisture plus perhaps a bit too much power and you get corrosion.

Also, picture of the socket isn't working.
 
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The performance looks about right for a 6700K, I wouldn't worry about it scoring a bit low there are many factors that can cause it to score worse.

I'd just give the pads a good wipe with acetone or rubbing alcohol and make sure it's dust free when you re-install it.
 
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What does changing thermal paste have to do with what's happening underneath the CPU? Looks like a combination of moisture plus perhaps a bit too much power and you get corrosion.
Repeatedly releasing and then tightening the lock lever. Repeatedly releasing mounting pressure from the heatsink and then cranking it back down again. Obviously there's some friction going on. The CPU and socket pins/pads aren't designed for 30 installations.
 
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What I see isn't good, but I would expect serious errors if pin(s) weren't making contact, not just mildly decreased performance. The decreased performance could be anything, starting with RAM and/or incorrect settings in the BIOS. Also, pin/pad damage doesn't just magically appear and spread. It's caused by repeatedly releasing and then tightening the socket lock-lever. STOP CHANGING YOUR THERMAL PASTE TWICE A YEAR LIKE A LUNATIC
I highly suggest you to calm down there. I believe in tit for tat just to be clear. Don't try me.

Besides, like I said, I change the thermal paste twice a year, yes. Because I live in extremely hot environment, and I saw somewhere that one should change the thermal grease once a year or something, can't recall which forum, obviously. But for this system, I cared much less, as 6700k ran much cooler than my previous system the i7-950, and for the same since the purchase in 2016, yesterday's new thermal paste application was maybe the 4td or 5th time in total I have applied it. Also more hilariously, I don't even take the processor out of its socket while applying the paste, I mean there's no need really. I just drop a peanut size and spread it with a plastic spoon which came with some cooler master cooler long back. Yesterday, don't know why, I just removed the processor out of its socket, maybe this was the 2nd or 3rd time I did that, taking the processor out of its socket.

The performance looks about right for a 6700K, I wouldn't worry about it scoring a bit low there are many factors that can cause it to score worse.

I'd just give the pads a good wipe with acetone or rubbing alcohol and make sure it's dust free when you re-install it.
Thanks I plan to do that.

What does changing thermal paste have to do with what's happening underneath the CPU? Looks like a combination of moisture plus perhaps a bit too much power and you get corrosion.

Also, picture of the socket isn't working.
Working fine on my end. I directly pasted the link from my Google photos upload. Kindly check once again. There are two photos there.
 
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HIt it with a qtip and some %99 iso, see if it comes off. I always clean the pads on my CPU's before putting them in.
 
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I highly suggest you to calm down there. I believe in tit for tat just to be clear. Don't try me.

Besides, like I said, I change the thermal paste twice a year, yes. Because I live in extremely hot environment, and I saw somewhere that one should change the thermal grease once a year or something, can't recall which forum, obviously
LOL....okay buddy. Someone offers helpful advice, and you respond with a threat. I think you need a new translation of "tit for tat".

With that said, it's entirely possible that I'm wrong, and the friction-wear on your CPU contact pads is being caused by something other than what you're doing. For instance, if you happen to live in an earthquake zone, frequently transport the computer in a vibrating truck, or run your PC on top of a washing machine. These are all possibilities which I failed to account for.

Also, I think that thermal paste is designed to withstand......fairly warm temperatures. Probably. I could be wrong again though. Best of luck.
 
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I don't see anything special with the Cinebench result. Never tested with stock 7700K when I had one, but at 5.1GHz seems that I've got 1052cb. Seems to go with hand to hand.
 
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LOL....okay buddy. Someone offers helpful advice, and you respond with a threat. I think you need a new translation of "tit for tat".

With that said, it's entirely possible that I'm wrong, and the friction-wear on your CPU contact pads is being caused by something other than what you're doing. For instance, if you happen to live in an earthquake zone, frequently transport the computer in a vibrating truck, or run your PC on top of a washing machine. These are all possibilities which I failed to account for.

Also, I think that thermal paste is designed to withstand......fairly warm temperatures. Probably. I could be wrong again though. Best of luck.
Hi, mate. Yeah, I forgot to take into account that vibration part, darn. Forgive me. Gettin old. Yeah, I keep the cabinet on top of a washing machine, which is used 14 times every day. I think that IS the reason for what's happened here. Thanks so so much for this brilliant insight, mate. All is sorted now.
 
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set to high performance power mode and run again?
 
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clean the pads with 90% Alcohol, then use an eraser to remove anything that is left behind. That looks like residue on the pads, like seepage from a chemical. What Thermal material are you using? Put it on something that isn't vibrating, but not on the ground or you'll have an extra vacuum cleaner.
 
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set to high performance power mode and run again?
Thanks. Actually I did the tests initially on my default Balanced profile on Windows 10 but then changed it to High Performance mode and it increased the scores only a little bit (negligible), those screenshots which are posted above are mostly done on HP mode.

clean the pads with 90% Alcohol, then use an eraser to remove anything that is left behind. That looks like residue on the pads, like seepage from a chemical. What Thermal material are you using? Put it on something that isn't vibrating, but not on the ground or you'll have an extra vacuum cleaner.
I will use IPA 90% to rub off those spots (if they come off that is) but I am not sure how to apply the eraser here. Anyway, thanks for the suggestion. I am using the paste which came with my cooler, some NT-H1. My cabinet is perfectly placed on my floor, it doesn't vibrate at all, obviously, Lol. That above comment of me of towards the attention seeking person/troll was obviously sarcastic.

PS- I chatted with Intel support yesterday for over an hour and they had me test three of their apps. Some SSU, XTU etc. ones, and in all of them the processor did fine, obviously, but when I spoke about the discoloured spots and that other benchmark scores are low the customer rep. didn't care much and said he will analyse the results (of the said Intel tests) and try to relate with the reasons leading to the occurrence of the spots within next three days. I just checked the warranty section, and the processor just went out of warranty like 2 days ago.
 
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the discolorations wouldn't necessarily slow the processor down - they would be terminal if they caused any kind of meaningful signal loss (like when snapped a pin before, and only a bit was making contact with the pad, my pc wont post).

So you would either be crashing or the system wouldnt post if that bit of corrosion was actually doing anything. The symptoms would be more extreme than a perfectly stable processor that was a few % slower.

It sounds like a motherboard/memory/configuration issue maybe -- most likely it's not boosting properly. My bet is if you lock it to 4.6 or 4.5 ghz the processor would perform exactly like a 6700k at 4.6 or 4.5 ghz.
 
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the discolorations wouldn't necessarily slow the processor down - they would be terminal if they caused any kind of meaningful signal loss (ive snapped a pin before and once it's gone the pc wont post).

So you would either be crashing or the system wouldnt post if that bit of corrosion was actually doing anything.

It sounds like a motherboard/memory/configuration issue maybe -- most likely it's not boosting properly. My bet is if you lock it to 4.6 or 4.5 ghz the processor would perform exactly like a 6700k at 4.6 or 4.5 ghz.
Oh OK. Could be a motherboard/memory config issue. I really don't want to overclock. With the factors mattering in like where I live, and that a good air cooler is still not as good as a liquid unit at least for temperature, I really don't want to push high temps. I can just enable the XMP profile on the RAMs, so that they will run at their native 3000 mhz speed and redo the tests. But I read that even enabling XMP means somewhat a small overclocking of the CPU, so I kept it disabled and the RAMs run at 2100 or 2400 or whatever, not sure.
 
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Oh OK. Could be a motherboard/memory config issue. I really don't want to overclock. With the factors mattering in like where I live, and that a good air cooler is still not as good as a liquid unit at least for temperature, I really don't want to push high temps. I can just enable the XMP profile on the RAMs, so that they will run at their native 3000 mhz speed and redo the tests. But I read that even enabling XMP means somewhat a small overclocking of the CPU, so I kept it disabled and the RAMs run at 2100 or 2400 or whatever, not sure.
I think it's important to keep in mind that a 6700k can survive a minor house-fire and be fine when it comes to temps.

Here's some videos of intel processors and how they handle heat (one of them is pretty old but all of the failsafes are basically the same):

The thermal throttling and shut down will keep your CPU alive and happy, so you're fine enabling xmp and even overclocking as long as you don't disable thermal protections, even if all your fans die and your cpu heatsink falls off.

I appreciate that you don't want to OC, just trying to put your mind at ease when it comes to high temperatures for CPU/GPU.
 
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Use the eraser just like an eraser to "CLEAN" the PADS, show me side to side. Also use it to clean contacts on memory sticks the same way, Rub it left then right............
 
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The guy who told you to stop taking the CPU out of the socket so often was actually on to something. You can see that almost every single pad has scratches on them. Those pins have a very small contact area on the pad so if there are scratches that are keeping them from making an ideal contact on the pads, you'll get arcing which will cause exactly the sort of damage seen in your pic.
 

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You have to take into account that benchmarks are done in fresh systems, without background apps and using fast ram, in other words, best case scenario.
Also, if you're worried about temps use a monitoring app. Don't do stuff like changing TIM twice a year and not using xmp (facepalm) "because i've read it increases temperature". Dude, you're using a 6700K STOCK, it should be running cool as it is, even in hot climates (40+ C). I would clean those pins as advised, install the cpu, activate xmp, install a monitoring app, and leave it as it is unless you get 90+°C on your CPU
 
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PS- I am just worried about its performance mainly and also that the damage stays where it is, doesn't spread more, that's all. I have plan to use this CPU for two more years at least. Just note, that since buying the system, I have never Overclocked it, everything is running on stock. Even the RAMs I have are 3000 Mhz modules but I don't use the XMP profile so they run at a lower freq. than their default.
If you're worried about the damage staying where it is then I'd probably clean it up while you have it out of the socket and leave the thermal paste alone once applied - as long as you're using decent stuff then it won't degrade within a year, even in a warm climate.

It really shouldn't look like that from running at stock frequencies, poor contact will kill your chip a lot quicker than thermal paste going funky. In a twist of savage irony, trying to keep the chip in good condition by constantly changing the TIM etc is probably what's going to kill it.
 
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Keyboard Corsair K70 LUX (Red)
Software Win Pain 10 x64
The guy who told you to stop taking the CPU out of the socket so often was actually on to something. You can see that almost every single pad has scratches on them. Those pins have a very small contact area on the pad so if there are scratches that are keeping them from making an ideal contact on the pads, you'll get arcing which will cause exactly the sort of damage seen in your pic.
Yes obviously taking the CPU out of its socket is bad. That's why I don't take it out of the socket. I do however, believe that, 'often =/= 3-4 times in a span of 3 years', I am pretty sure I am right about that, and thereby his snide comments were/are not welcome and moreover not the capitalised the personal attacks.

To all others, thanks a lot for chiming in, really appreciate it. I am not getting any time but I will surely clean to processor very soon and mention how it went. And finally I will enable the XMP profile, Lol, it's been three years :) I do monitor the temps by the way, I use CPU ID H/W monitor app for the same. And if the processor cores crosses 70 degrees I don't like that, however, I have found it only touches and slightly crosses that when I used to game for a straight span of 3+ hours only, and that too when room temp was above 31-32 degrees. But I don't get time to really that much any more and it hovers around 31-32 degrees at Idle, which is almost identical with my room temp.
 
Joined
Oct 21, 2005
Messages
5,667 (1.10/day)
Location
USA
System Name Small ATX Desktop
Processor Intel i5 8600K @ 4.6 GHz Core & 4.3 GHz Uncore @ 1.168V
Motherboard Asrock Z370 Taichi
Cooling Phanteks PH-TC14PE, MonoPlus, Fans: 2xThermalright TY143 / 2xCorsair SP-120L / 2xYate Loon D14BH-12
Memory G-Skill TridentZ 2X8GB DDR4 3200 CL14 F4-3200C14D-16GTZ @ 3200 14-14-14-34 2T @ 1.35V
Video Card(s) Zotac 1060 6GB Mini ZT-P10600A-10L with Arctic MonoPlus and Yate Loon D14BH-12 Fan
Storage OS Samsung 970 Pro 512GB NVMe, Games Phison E12 NVMe 1TB, HDD WD Black 4TB WD4005FZBX, 2xWD10EZEX
Display(s) 2x Asus PB258Q 2560x1440 25" IPS
Case Lian Li PC A05NB (Inverted Mobo)
Audio Device(s) Audiotechnica ATH M50X, Antlion Mod Mic 4, SYBA SD-CM-UAUD, Acoustic Research 2Ch Speakers
Power Supply Seasonic SS-660XP2 660 Watt Platinum
Mouse Zowie EC2A Mouse, Razer Naga Chroma '14, Corsair MM600, Inateck 900x300 XL pad, Tiger Gaming Skates.
Keyboard Filco Majestouch II Ninja TKL, Goldtouch GTC 0033 Ten Key, PS3 Controller
Software Win7 Pro 64 (Installed on Coffee Lake using AsRock's handy PS/2 Simulator in Bios)
It isn't necessary to repaste it. Paste should last like 5 to 10 years depending on the paste you used.
 
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