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Thread: i7 CPU block.

  1. #1
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    i7 CPU block.

    Quick question out of any CPU waterblock (755/1366) which would you say is the best to cool an i7 at 4ghz.

    Bloodrage can mount 755 and 1366 cooling hardware.

    I was looking at the D-TEK FuZion v2.
    i7-920 @ 4.0ghz/1600mhz,
    Quantum Force Bloodrage, DominatorDD3,
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    I was using the Aqua Di @ 4.4 and it never hit 70C. I cannot wait to see what the HD Di does!

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    Not sure what is the best, I havent seen a side by side test yet. I assume you want 4ghz with HT. I am running the aqua computer cuplex xt di and at 4ghz with HT 1.35v bios 1.375v windows 1.39v linx load I am 67C max load with an idle of 34C. This is my 24/7. HT adds a bangload of heat into the mix with these things. I see a 5-7C difference with it disabled, you can also run lower voltage.

    This is with my PWM and NB on the loop as well. So I would think any of the top blocks dtek/ek etc. would be similar.
    [3960X 4.8GHz 1.35v] [32GB G.Skill Ripjaws 2133] [EVGA GTX 680 SLI] [ASUS RIVE] [Samsung Spinpoint F1 1TB R0]
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    Koolance 350 its amazing !!

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    I´m using the Fuzion rev 1, i got 58C with an i7@3,5Ghz 1,29Vcore. I´m currently rebuiling again (drilling some holes in the motherboard tray and remouting vga block) I´ll test 4,0Ghz in the next days. The Fuzion is definatly still very powerfull and fits on the Bloodrage, also it´s the way to go if you have some more blocks/rads in your loop because it´s very less restrictive.
    System #1:
    i7 975 for bench, W3540 @ 4,4 Ghz HT On, Asus P6X58 Premium, 3x2048 Corsair Dominator 2000CL7, Sapphire 5970 @ stock, Corsair HX1000, 1xOCZ Vertex2 120GB, 3x1TB WD Green
    Cooled by:
    Loop 1: Watercool HK rev 3.0, Laing Ultra 18W /w XSPC Res Top, Thermochill PA120.3 /w Phobya Fans @ 5V Pull
    Loop 2: EK 5970 Nickle, Laing Ultra 18W /w XSPC Res Top, Thermochill PA120.3 /w Phobya Fans @ 5V Pull
    Loop 3: EK Asus NB/SB, Mips Asus Mosfet 1 + 2, Laing Ultra 18W /w XSPC Res Top, Thermochill PA120.2 /w Phobya Fans @ 5V Pull

    4,6Ghz (21x220) 1,42Vcore with Single Stage (HT enabled)
    http://img402.imageshack.us/img402/1251/83962063.jpg


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    I wonder if anyone has tested an Apogee GT on the i7's.
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    Quote Originally Posted by Greenfox View Post
    Koolance 350 its amazing !!
    Any proof on this statement?
    Intel i7 3770K (4.8Ghz@1.36v) ~ Asus Maximus V Gene ~ 8Gb G.Skill Ripjaws X 2133 C9 (@2400 C10) ~ Asus GTX 670 DCUII (1230/7000) ~ Samsung 840 Pro 128Gb ~ WD Black 1Tb ~ Corsair AX 850W ~ X-Fi Titanium Fatal1ty ~ Epoz Aktimate Mini ~ Ducky Shine Blue Led /w MX Red ~ Logitech G700 ~ Samsung S27A850D 27" (2440x1600) ~ SilverStone TJ07B-W


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    Quote Originally Posted by CedricFP View Post
    I wonder if anyone has tested an Apogee GT on the i7's.
    He might: http://www.xtremesystems.org/FORUMS/...d.php?t=217261

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    Quote Originally Posted by ChaosAD View Post
    Any proof on this statement?
    These results are from a review on the i7 940 @ 4ghz w/a relatively average flow pump.

    Quote Originally Posted by Hondacity;RRR forums




    i940 at 4ghz
    ambient 22.0-22.1c(3 digital thermometers)
    3mounts each...no variance...ended up with same temp values...

    mx-2 22g syringe
    prime95 + realtemp + 15minutes
    480gtx push pull + dual 355 pumps with xspc tops



    last place: dtek fuzion v2, even with high flow...it couldn't keep up with koolance or ek, computer restarted go figure
    3rd place: gtz, not exactly good, but it had slightly better temps that the fuzionv2, had leak problems with it, computer restarted..
    2nd place: ek supreme...as the name implies..it is supreme only to old blocks..
    1st place: k350, no surprise..tested and remounted for this review...best damn block in water cooling at the moment..

  10. #10
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    Thanks for the input

    Could I put in two MCR-320 QP rad's, the CPU block, and the chipset block as well a 4870x2 and a single RAD at the bottom?

    As well as a T line, and Laing D5 pump.
    I planned for 7/16 ID with all 1/2 in G15 fittings.
    i7-920 @ 4.0ghz/1600mhz,
    Quantum Force Bloodrage, DominatorDD3,
    Velociraptor, gtx460-sli, 2tb W.D., Corsair HX1000w,
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  11. #11
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    Quote Originally Posted by BiNGE View Post
    These results are from a review on the i7 940 @ 4ghz w/a relatively average flow pump.
    Didnt expect such difference over GTZ/Fuzion. Anyone else has any expirience with K350? Seems to be the best current solution for i7.

    But what about restriction? Can it run in the same loop with a Gpu block+NB block with a D5?
    Last edited by ChaosAD; 02-09-2009 at 12:36 PM.
    Intel i7 3770K (4.8Ghz@1.36v) ~ Asus Maximus V Gene ~ 8Gb G.Skill Ripjaws X 2133 C9 (@2400 C10) ~ Asus GTX 670 DCUII (1230/7000) ~ Samsung 840 Pro 128Gb ~ WD Black 1Tb ~ Corsair AX 850W ~ X-Fi Titanium Fatal1ty ~ Epoz Aktimate Mini ~ Ducky Shine Blue Led /w MX Red ~ Logitech G700 ~ Samsung S27A850D 27" (2440x1600) ~ SilverStone TJ07B-W


    WaterCooled by XSPC Raystorm ~ TC PA 120.3 + 3xAP 15 ~ MCP655 with EK-D5 X-Top Rev.2 ~ EK Multi 250

    Powered by APC Smart-UPS SC 1500 ~ MGE ellipse premium 500


  12. #12
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    Wow I did not expect that from koolance. What vcore?
    [3960X 4.8GHz 1.35v] [32GB G.Skill Ripjaws 2133] [EVGA GTX 680 SLI] [ASUS RIVE] [Samsung Spinpoint F1 1TB R0]
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  13. #13
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    Odd, i have had 1.6v through a q6600 and 1.55v through my 920 at 4.5ghz and my GTZ was just fine.

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    Quote Originally Posted by MisterMagoo View Post
    Wow I did not expect that from koolance. What vcore?
    I am pretty sure that is at 1.38v

    Quote Originally Posted by veedubfreak View Post
    Odd, i have had 1.6v through a q6600 and 1.55v through my 920 at 4.5ghz and my GTZ was just fine.
    I own a GTZ personally and it is "just fine" but it's not that good.

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    why not a GTX?


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    Quote Originally Posted by BiNGE View Post
    These results are from a review on the i7 940 @ 4ghz w/a relatively average flow pump.
    Not to put anyone down or anything here, but one glance at that and I already see a problem...

    "3mounts each...no variance...ended up with same temp values..."

    Sorry, but there's always mount variation and if a test system isn't precise enough to even detect it, then the system is not fit for waterblock performance evaluation. Far too uncontrolled/imprecise to be regarded as anything more than 'anecdotal user data'.
    I'm doing science and I'm still alive...

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    Quote Originally Posted by Petra View Post
    Not to put anyone down or anything here, but one glance at that and I already see a problem...

    "3mounts each...no variance...ended up with same temp values..."

    Sorry, but there's always mount variation and if a test system isn't precise enough to even detect it, then the system is not fit for waterblock performance evaluation. Far too uncontrolled/imprecise to be regarded as anything more than 'anecdotal user data'.
    dunno how you mount your blocks..i just tightened them to a point im just hurting my fingers... remounts are easy... i get the same temperatures..over and over...try real temp on the i7.

    after mounting then logging temps...remove the nut...clean the block..clean the cpu..put in some paste...hand tight..the repeat the process...

    easy as 1-2-3...except it takes awhile

  18. #18
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    My choices would be Swiftech GTZ then the D-TEK FuZion v2.
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  19. #19
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    Danger Den MC-TDX

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    gtz internal design doesnt cover the entire i7 die though. fuzion, supreme, sapphire, gtx, gt all do. none of them were really designed for i7 though... so in all reality its good that any of them even work.

    as for mount testing.... i have gotten temp differences by putting too much or too little TIM. i use the line method but i still get too much sometimes and a remount is necessary.

    also... different TIM's do better than others. i personally like OCZ freeze.

  21. #21
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    Quote Originally Posted by ChaosAD View Post
    Didnt expect such difference over GTZ/Fuzion. Anyone else has any expirience with K350? Seems to be the best current solution for i7.

    But what about restriction? Can it run in the same loop with a Gpu block+NB block with a D5?
    The Koolance 350 is VERY restrictive, more than EK supreme.
    Check the new HeatKiller 3.0 CU, less restrictive than EK and seems to perform better
    Last edited by redgabber; 02-10-2009 at 09:30 PM.

  22. #22
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    Block

    If it's true that the 350 is restrictive I'd assume the Supreme would be a better choice? ( I'm going to run a chipset, and latter maybe even a 4870x2 after I get another RAD.)
    I don't see the heatkiller on any of the sites I buy from, but what about the Danger Den MC-TDX?

    CPU at 4ghz, and x2 at 800/900 almost stock.

    Any last minute thoughts? I'm going to order the parts either tomorrow or the next day.


    Thank you for all the input.
    Last edited by kiyka; 02-10-2009 at 09:36 PM.
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  23. #23
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    Look here http://www.xtremesystems.org/forums/...d.php?t=213106

    I cannot say anymore about your choice because i doubt myself ^^

    But what i m sure, is the K 350 need high pressure pump like DDC 3.2 + Top

    [edit] just found this http://www.xtremesystems.org/forums/...d.php?t=217376

    The current tests suxxx...

    but corrected here http://www.xtremesystems.org/forums/...80#post3642480
    Last edited by redgabber; 02-10-2009 at 09:53 PM.

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    Quote Originally Posted by Hondacity View Post
    dunno how you mount your blocks..i just tightened them to a point im just hurting my fingers... remounts are easy... i get the same temperatures..over and over...try real temp on the i7.
    Let me state this once more: you will always have some mount variation and your statement only implies an even less controlled test environment than I had previously thought. Whether you're properly using the included stock mounting hardware or a custom mounting configuration which applies a known and equal (or, as equal as possible) mounting load to all blocks being tested, you're still going to end up with some variation. You'd get this same information whether you asked me, Scott, Bill Adams, or Lee Garbutt. The best that any tester can do is take the mean of this data, whilst being sure to note the observed data range.

    Moving right along, a CPU's internal temperature monitoring hardware is near worthless when it comes to controlled testing. You're working with a device of unknown calibration (that you can't calibrate properly), unknown and questionable accuracy, unknown and questionable precision, and unknown linearity. From a design consideration standpoint, the on-die [point] temperature sensors are little more than an overheat alarm--they just have to be good enough within a certain range so that the CPU doesn't fry. That's it.
    I'm doing science and I'm still alive...

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    Quote Originally Posted by Petra View Post

    Moving right along, a CPU's internal temperature monitoring hardware is near worthless when it comes to controlled testing. You're working with a device of unknown calibration (that you can't calibrate properly), unknown and questionable accuracy, unknown and questionable precision, and unknown linearity. From a design consideration standpoint, the on-die [point] temperature sensors are little more than an overheat alarm--they just have to be good enough within a certain range so that the CPU doesn't fry. That's it.
    same mounting ..same cpu..same temp sensors...same fans speeds..same paste...same pump... oh well...i'm just a noob tester

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