water cooling, high temps on load

Jokb93 · May 13, 2016

hi i just made mi first watercooling(custom).

Im not sure if im right, but my temps gets a bit high, and not too god perfomance i belive.

the idle temps:
http://piclair.com/data/5hnld.jpg

and under load for unigin heaven benchamark:
http://piclair.com/data/rqmo2.jpg

and the score on heaven: fps: 39.7 fps, 1000 score(extreme preset)
and furmark1.17:19 FPS(1080 preset).

you can see the specs on images.

at a closer look on heaven, it seems that the fps is slowly dropping, the same with furmark(just quicker). (1 fps a min.)

is this normal?
or is it my cooling skills that suck

thx in advance :-D

JKB.

Nuckles_56 · May 14, 2016

The temperatures are just fine. I don't see a problem with it at all

1LiquidPC · May 14, 2016

What are the details on your custom loop? Parts used, ect? If your GPU is reaching 80C and its watercooled, its way to hot unless you don't have enough radiator capacity, or a bad mounting to the card. These temps could be causing your 770 to downclock a bit over time lower your FPS. I know my 970s when they were aircooled would start downclocking at 80C and float between 75C and 80C under load with boost speed raising and lowering. My GTX 970s watercooled don't go over 45C max in summertime in my cooling loop.

Jokb93 · May 14, 2016

details:
gpu waterblock: EK - VGA Supremacy
cpu waterblock: Alphacool NexXxoS XP
loop: pump -> rad -> res -> GPU -> CPU
fans: 2x noctua 120mm and pushing air into the case 1 notcua 80mm
rad: XSPC EX240 - Black
pump: EK - DCP 2.2 (12V DC Pump)

im still new to custom builds.... how can i mount the block a bad way... i mounted it with cross pattern... so it should be straight...

1LiquidPC · May 14, 2016

A single 240 isn't enough radiator for you CPU + GPU setup for low temps. You've got around 300W of heat to dissipate. Also, your look order looks incorrect. Pump should always be right after Res to keep it fed w/ coolant. Could have flow problems or damage pump otherwise. Also, how is the 80mm fan being utilized? What case are you using as well?

Jokb93 · May 14, 2016

a mid tower coolermaster case, the 80 mil is used to cool vram heatsinks and another 80 mil is used aswell for the gfx in all

1LiquidPC · May 14, 2016

OK. Do you have any pics as well? If you took a careful approach to mounting the GPU block, it's likely not causing the problem.

Jokb93 · May 14, 2016

i only got images of the rig before i installed the noctua fans, and cleaned the interior... its a bit messy on the images... i can take some new when i get home later.
http://piclair.com/data/kurtb.jpg
http://piclair.com/data/ylsqm.jpg
http://piclair.com/data/cctnx.jpg

1LiquidPC · May 14, 2016

The pics do help to clarify, but more pictures may help further. I would like to check your loop setup in more detail. Also, what are you using for coolant? Distilled w/ PTNuke or Killcoil? Premix?

Jokb93 · May 14, 2016

this is my coolant... i will sent more pics when im home

XSPC EC-6 Clear

1LiquidPC · May 14, 2016

OK. I'll either check back on here later tonight for updates, or tomorrow morning.

Jokb93 · May 15, 2016

hi i took out everything and re mounted it and now i get stable 70deg under heavy load!!!

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water cooling, high temps on load

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