1. Welcome to TechPowerUp Forums, Guest! Please check out our forum guidelines for info related to our community.

i5 Delid not what I was expecting

Discussion in 'Overclocking & Cooling' started by Vario, Mar 30, 2013.

  1. Vario

    Vario

    Joined:
    Oct 21, 2005
    Messages:
    3,049 (0.92/day)
    Thanks Received:
    993
    I think my chip may be running hotter after delidding it now. I have applied paste about 20x in varying amounts and styles. I got a reduction of at best -5*C with CLP, for the application method that time I put a ton of it down covering the die and the backside of the lid. Unfortunately, I moved the case and it seemed like I lost that reduction amount (maybe the CLP slid out). I ran out of CLP and I am using AS5 (which I applied similarly) with loads around 70*C in Intel Extreme Utility/P95, idle around 30*C, 1.15v@4.0ghz. This chip sucks so I actually need that much voltage to be stable. It sucked before delid and it sucks even worse after. Previously before delid was around 60-65*C load, 25-30*C idle. Ambient in my apartment has been around 22*C. Also my chip had not very much intel factory thermal paste under it when I delidded it initially, unlike pictures I have seen. The contact with the die is good, I have removed most of the black glue material on the pcb and I polish/sanded the contact part of the lid (where it would rest on the pcb) with 2500 grit to remove any glue on it that might result in less contact with the die.

    I ordered some CLU since I heard its easier to work with then the CLP.

    Any ideas?

    Edit: Also the lid seems to be flat. I checked it with a fresh razor blade.


    Update Edit with CL Ultra spread evenly on die and on IHS underside. CL ultra is also between IHS and H100i.

    -20*C Reduction in temps. Officially works great now.
     
    Last edited: Apr 4, 2013
  2. Vario

    Vario

    Joined:
    Oct 21, 2005
    Messages:
    3,049 (0.92/day)
    Thanks Received:
    993
    No ideas?
     
  3. LAN_deRf_HA

    LAN_deRf_HA

    Joined:
    Apr 4, 2008
    Messages:
    4,559 (1.88/day)
    Thanks Received:
    954
    My first suggestion would be to try another paste.
     
  4. Velvet Wafer

    Velvet Wafer New Member

    Joined:
    Jun 16, 2009
    Messages:
    5,123 (2.58/day)
    Thanks Received:
    990
    Location:
    North of Germany
    drop the IHS completely and use some decent ceramic type tim, MX-2 regarding price performance.
     
  5. newtekie1

    newtekie1 Semi-Retired Folder

    Joined:
    Nov 22, 2005
    Messages:
    20,103 (6.12/day)
    Thanks Received:
    6,161
    Maybe it is just me, but it seems like you are using way to much thermal paste between the lid and the die. You shouldn't have to put past on the die and lid. Just put a small amount in the center of the die and put the lid on, let the pressure from the socket retention mechanism spread out the past from there.
     
    Crunching for Team TPU 50 Million points folded for TPU
  6. overclocking101

    overclocking101

    Joined:
    Apr 8, 2009
    Messages:
    2,886 (1.41/day)
    Thanks Received:
    405
    Location:
    vermont
    Why delid if you are gonna put the lid back on? remove that lid and socket ret. and use it delided temps should be a lot better then what they are.
     
  7. newtekie1

    newtekie1 Semi-Retired Folder

    Joined:
    Nov 22, 2005
    Messages:
    20,103 (6.12/day)
    Thanks Received:
    6,161
    With IvyBridge chips a lot of people de-lid to replace the thermal paste under the lid because Intel did a crap job at applying it and temps are higher than they should be.
     
    Crunching for Team TPU 50 Million points folded for TPU
  8. Velvet Wafer

    Velvet Wafer New Member

    Joined:
    Jun 16, 2009
    Messages:
    5,123 (2.58/day)
    Thanks Received:
    990
    Location:
    North of Germany
    meh....pure die is the way to go if possible:p
     
  9. Octopuss

    Octopuss

    Joined:
    Aug 13, 2009
    Messages:
    925 (0.48/day)
    Thanks Received:
    108
    Location:
    Czech republic
    The main problem is - according to a guy over at Anandtech forums - a gap between the die and the lid. NOT the paste Intel used (his tests even suggest it's a very good one), and neither how is it applied. I can dig out a link if anyone is interested.
     
    radusorin and Velvet Wafer say thanks.
  10. LAN_deRf_HA

    LAN_deRf_HA

    Joined:
    Apr 4, 2008
    Messages:
    4,559 (1.88/day)
    Thanks Received:
    954
    Well that sounds all nice and revelationy but haven't countless people had dramatic temperature improvements by simply changing the paste? That would seem to be a strong indicator of the problem.
     
  11. Octopuss

    Octopuss

    Joined:
    Aug 13, 2009
    Messages:
    925 (0.48/day)
    Thanks Received:
    108
    Location:
    Czech republic
    Not all CPUs are the same and the gap might differ slightly. Besides, it depends how people delidded their CPUs. Did they remove all the black shit that kept IHS in place or not?

    http://forums.anandtech.com/showthread.php?t=2261855
    Give it a read. Might help you out.
     
  12. Ed_1

    Joined:
    Dec 14, 2006
    Messages:
    345 (0.12/day)
    Thanks Received:
    50
    As noted above its not the paste directly but when you remove IHS you remove the black silicon sealant and gap should go down . So temps should go down .

    Not all are same , some get like 20c reduction others only few .

    Things I would check again is the flatness of underside of IHS and core, plus top side and HS/water block . Also with IHS just laying on core does it spin, rotate fine . that would say there no clearance issue .

    With Delidding IMO if your temps were not bad for clock speed verse cooling used , might be better to leave it .

    As for removing the IHS all together it depends on cooling, if its water block then to can play with standoff heights fairly easy to get block to site on chip cause the hold down bracket will get in the way as core face will be low .
     
  13. newtekie1

    newtekie1 Semi-Retired Folder

    Joined:
    Nov 22, 2005
    Messages:
    20,103 (6.12/day)
    Thanks Received:
    6,161
    Either way, gooping so much paste on it like the OP has done is probably going to lead to no improvement or maybe even worse temps. Just like always you want to use as thin of a layer as possible.
     
    Crunching for Team TPU 50 Million points folded for TPU
  14. Octopuss

    Octopuss

    Joined:
    Aug 13, 2009
    Messages:
    925 (0.48/day)
    Thanks Received:
    108
    Location:
    Czech republic
  15. overclocking101

    overclocking101

    Joined:
    Apr 8, 2009
    Messages:
    2,886 (1.41/day)
    Thanks Received:
    405
    Location:
    vermont
    crazy man, why would anybody void their warranty for a few c temp drop. me personally I would invest in phase change or something first. heck given the cost of some of those chips $300+ it would cost the same as a dead cpu to buy a phase unti or close to it anyways if you look hard enough. Dont get me wrong I did it, but that was for subzero on my old e8500 not to switch thermal paste. NOW on topic I would keep adjusting you lid till you get temps sounds like it probably just isnt seating just right.
     
  16. 1nf3rn0x

    1nf3rn0x

    Joined:
    Sep 15, 2009
    Messages:
    2,032 (1.07/day)
    Thanks Received:
    361
    You'd think intel did it on purpose so people would buy their overclocking warranty :roll:
     
  17. johnspack

    johnspack

    Joined:
    Oct 6, 2007
    Messages:
    4,382 (1.68/day)
    Thanks Received:
    865
    Location:
    Nelson B.C. Canada
    C'mon, direct to die!
     
  18. Kast

    Joined:
    Jan 4, 2011
    Messages:
    172 (0.12/day)
    Thanks Received:
    134
    I had the same lackluster results as you when I delided reapplied paste then put back on. So I decided to go D2D and got a 20 degree decrease in temps. Im currently at 5.0 with HT on 1.485V. My temps previously would have sky rocketed past 100 degrees before D2D.

    [​IMG]
     
  19. Octopuss

    Octopuss

    Joined:
    Aug 13, 2009
    Messages:
    925 (0.48/day)
    Thanks Received:
    108
    Location:
    Czech republic
    Pro tip: download the latest Prime95 version. There were some bugs in past that affected testing.
     
    Law-II says thanks.
  20. Ed_1

    Joined:
    Dec 14, 2006
    Messages:
    345 (0.12/day)
    Thanks Received:
    50
    Only issue I would recommend only using water cooled if direct contact to die . You don't want heavy tower HS levering on die IMO .
     
  21. Vario

    Vario

    Joined:
    Oct 21, 2005
    Messages:
    3,049 (0.92/day)
    Thanks Received:
    993
    Okay guys I reapplied with CL Ultra. 24*C idle temp 50*C load temp. So a -20*C reduction in temperatures at load! For this I coated it, slathered it on. Hooray! It works!
     
  22. de.das.dude

    de.das.dude Pro Indian Modder

    Joined:
    Jun 13, 2010
    Messages:
    7,884 (4.86/day)
    Thanks Received:
    2,109
    pretty sure you are applying tim in the wrong way.


    try direct to heatsink if your heatsink has a mirror finish.

    also did you clean it properly with rubbing alcohol.
     

Currently Active Users Viewing This Thread: 1 (0 members and 1 guest)

Share This Page