Confused whether Asus GTX 660 TI is malfunctioning or alright

akash66

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May 17, 2014
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So I setup this rig over a year ago.

Intel Core i5 3450 + Gigabyte B75M-D3H
Corsair Vengeance 4x2 GB
Seagate Barracuda 7200.14 1 TB
Dell S2340L
Coolermaster Elite 430
Asus GTX 660 TI Direct CU
PSU: Seasonic 520 W
APC BR1100VA IN (No longer using it because of annoying sounds and no power cuts)
Sound card: Asus Xonar DX

I have not overclocked anything. I did not really game much for a year and it ran with no issues. I used to play Witcher 2 and GTA IV, both ran maxed without any issues. 2 months ago I played Shogun 2 for 2 weeks, 5-6 hours everyday continuously. Sometimes my game would hang, display would go blank and come back on again. Maybe it was due to overheating?

Since last week or so my display driver randomly crashes, even on stock drivers while using chrome or watching youtube videos. When I play Witcher 2, the GPU heats upto 80 degrees C within 5 mins and the game starts lagging endlessly (fan speed goes upto 55%). Basically games are unplayable or stutter at high settings but non gaming wise things are ok, with random driver crashes here and there. Idle temp is around 40 degrees.

I thought it could be some virus/malware, but the problem persists even after formatting, re installing windows and updating drivers.

I ran a standard 15 min benchmark test with Furmark and here is the result that I got :

http://i61.tinypic.com/2rojksh.png

When I OC the card clock and memory using Asus GPU Tweak, my screen goes into a lsd trip and the display driver crashes. Maybe the latest Nvidia driver is not compatible with GPU Tweak? Maybe I should also increase GPU voltage?

Also I find it fishy that my load temperature hovers around 80 degrees (without OC) which seems like the max my gpu is programmed to tolerate before it shuts itself off.

My card is still in the warranty period.
Should I go in for RMA ?

It's summer and humid where I live, room temp is around 32 degrees. Thanks.