GTX 770 Furmark Fail

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n_9404

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Jun 13, 2014
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Hello Everyone!, I'm so worried to post this :( , I was so happy with my PNY GTX 770 until I started testing for temps in order to know if everything was ok, with OCCT everything is fine, but when it comes to furmark, as soon as I press 720 or 1080 preset I see the animation with constant and fast blinking (looks more like overlaping) and as I get to nervous from this tests I didn't let furmark to last more than 20 seconds.
What should I do?, Is my card damaged or something? :(
Here are my specs:
EVGA 600B 80+ PSU
8 GB 1600 DDR 3 RAM
PNY Geforce GTX 770 (When I unboxed it, it looked like the reference card from nVidia)
AMD FX 8320 (no overclock)
1 TB HDD
Cooler Master T4 cooler
Asus M5A99X evo R2.0 motherboard
 
Solution
herrwizo
I would not worry about that at all, as long as your GAMES are all working OK. This is a synthetic benchmark which stresses the GPU and VRAM incredibly, so it is not what you would normally observe. Just make sure your GPU is not overheating.

BTW, your Corsair CX PSU is asking for trouble with 770, this card requires 42 amps on the +12V rail, and your PSU has 46A, this is pushing the PSU to its limits and I do not suggest using this PSU for gaming at all due to its low quality capacitors. It is also quite possible that you are seeing this flickering because of your PSU. Replace it as soon as possible.

Get a decent XFX Core 650W, Seasonic 650W, or Corsair AX/HX/TX/RM series 650W or higher.
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herrwizo

herrwizo

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Feb 17, 2009
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I would not worry about that at all, as long as your GAMES are all working OK. This is a synthetic benchmark which stresses the GPU and VRAM incredibly, so it is not what you would normally observe. Just make sure your GPU is not overheating.

BTW, your Corsair CX PSU is asking for trouble with 770, this card requires 42 amps on the +12V rail, and your PSU has 46A, this is pushing the PSU to its limits and I do not suggest using this PSU for gaming at all due to its low quality capacitors. It is also quite possible that you are seeing this flickering because of your PSU. Replace it as soon as possible.

Get a decent XFX Core 650W, Seasonic 650W, or Corsair AX/HX/TX/RM series 650W or higher.
 
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n_9404

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Jun 13, 2014
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Thank you so much :), that made me feel a lot better and for the PSU change, would it be dangerous if I keep this one for a while until I can change it? (I'm out of $$ for the moment haha!), and I did this tests in order to know if this rig could handle with Furryball, Octane and GPU render engines that enable me to use CUDA (because for games I only have SimCity 5 now and it runs like a charm, max temp I saw is 82° that must be TurboBoost acting in order to get that constant temp while I'm playing, I'll be testing Tomb Raider and Crysis 3 to see what I get)
 
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herrwizo

herrwizo

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Feb 17, 2009
5,152
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40,240
Short term, you can probably keep this PSU, but under the constant stress this one will fail for sure, just a metter of time. When it fails, it *might* burn other things, like mobo or CPU, so in this light I suggest replacing it immediately, as this is a potential money saver, not a waste of money. You can sell your CX or keep it as a backup or use it for less demanding gaming rig (only with a single VGA card and max GTX 760, because 770 is really pushing it hard).
 
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n_9404

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Jun 13, 2014
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Thanks again, I'll put the anounce of my PSU and make the change as soon as I can :)
 
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n_9404

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Jun 13, 2014
9
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4,520

I should edit the whole post, my PSU isn't Corsair, Is an EVGA 600B 80+, am I going wrong with this PSU unit? (Don't know what I was thinking when I wrote the corsair one xD)
 
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