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That does sound like something on the software side. I would sweep the PC clean of everything NVIDIA and reinstall the drivers. Check your power management settings as well, and see if messing with the 'Maximum pre-rendered frames' setting in the NVIDIA Control Panel makes a difference. You should be able to at least lessen the stuttering to some extent.
I have a Define Mini with Noctua fans, noise is never an issue and my stuff stays cool. "Major possible damage" sounds real serious. You don't have to turn all the sliders up to 11, you know. Even a simple 200Mhz-300Mhz boost on a CPU is free performance. You can run a 4690K at 4.1Ghz and get lower voltages than what Intel sets at stock. Llikewise with a Maxwell GPU, lots of headroom. Turn up the power limit, keep voltages at stock, start raising those sliders and watch the magic happen. Temps stay largely the same as stock if you're reasonable. Sometimes those free extra frames are A-OK with me if that means pushing an older game at 4K past 60 fps, or if a small boost in CPU multiplier means spending a minute less on the rare times I'll be rendering something. Plus it's just fun seeing how far you can push things and what you can really get out of it. I enjoy min-maxing in games as well, even if I can win otherwise.
Your components are not as fragile as you'd like to believe. Otherwise what are you doing letting those manchildren at Asus factory-overclock your GPU? Surely that will just cause it to fail sooner? And damn those evil GPU and motherboard manufacturers, making all their high-end stuff cater to overclockers. They'll regret it when they wake up bankrupt tomorrow because "Overclocking is a thing of the past."
Yes, I should buy a bunch of old and inneficient hardware if I want to get more performance out of my system by overclocking. That definitely makes sense. Sounds like you're the one who still has some growing-up to do.
OP, I'll stop spamming your thread now, sorry. I hope your issues are resolved, wish I could help more.
Disable your overclocking and return to factory default... It's one of the first things to do to regain stability and control. At least for testing purposes - Restore both CPU and GPU to factory default settings.
No, I don't want to "<3 overclocking", why is it unstable, when others have it running perfect, smooth and lag-free.
I'm not even going to bother...
have you tried any other games?
All the FarCry series are extremely well optimized games - polished gems for PC. I've played them all and never lagged or FPS dropped even in the extreme action. You should be able to get high/ultra quality at 1440p without lag, smooth as...
Now if it was AC: Unity or some bad console port game on the other hand - you could then blame the game.
Suggest you guys try using GeForce Experience to set your optimal game settings, as a starting point, incase another component of your PC is bottlenecking it or your doing some crazy 32x AA on ultra or something silly.
Backstory: I recently decided on a whim to give the CoD:Ghosts single player campaign a try (don't ask). At the time, running a 670 with 334.89 drivers, the game ran remarkably well. Almost a constant 60fps, only occasional drops into maybe the high 40's. Unfortunately, it also crashed a lot, which naturally led me to update my video drivers to try and fix the issue. First thing I noticed was that anything 344.11 and newer caused massive amounts of "stuttering" and "hiccups" in areas that previously ran just fine. Not even what I would call a performance-related "frame drop," but as if the frame rate was just constantly jumping from 60 to 30 to 60, causing a weird sort of "hitching" effect when looking around.
It got so bad, and thinking I was maybe imagining the problem, I eventually rolled back to the 334.89 drivers and, lo and behold, it was smooth sailing again. Well, besides the crashes. Still, it was worth it to me to just deal with that since the general performance increase was so significant...
...until I realized that the crashes were actually being caused by the video card dying on me. So I'm in the process of RMA'ing the 670, and picked up GeForce 970 FTW in the interim, because I'm impatient like that. After I installed the new card, the first thing I notice is that, while my general performance/frame rate has increased, the intolerable stuttering and hitching has cropped its head up once again. Unfortunately, since the 344.11 driver set is the earliest one that supports the 900 series cards, there's nothing else to roll back to, so I'm now stuck with the issue, and none too happy about that.
TL;DR - I have the exact same stuttering issues, even on a GeForce 670, when running on any NVidia driver sets newer than 344.11, leading me to believe it's a driver issue, not hardware. Unfortunately, the newer drivers are required to run a 900 series card., so I don't have a solution.
There's no issues with the latest Nvidia drivers on Win 7 - 64 bit for me (GeForce Game Ready Driver - 347.09 WHQL). It is 100% stable and lag-free.
Try this, go to: C:\ProgramData\NVIDIA Corporation
Right-click the folder > properties >security > advanced > change permissions
Ensure it's permission entry is ( Allow / Everyone / Full control ).
Tick the "Replace all child object permissions with inheritable permissions from this object". This will ensure your Operating System doesn't block it's files from being installed / run.
Now download the latest drivers from: geforce.com/drivers
Clean install them as FULL / Express (not custom) and install Geforce Experience again as well if desired (optional).
Win7 Home Premium. I've always installed my drivers the same way: uninstall previous, reboot, install new, reboot again. I use custom install though because I don't care for GFE, nor do I need any of the virtual reality nonsense. I only install graphics drivers, HD audio drivers, and PhysX. This has worked fine for me in all cases as long as I can remember.
Also, I should clarify, the drivers are stable in general 99% of the time. I'm finding performance in the vast majority of games to be just fine. It's only in some very oddly specific instances with some newer games (DX11) that I'm seeing this issue. Ghosts being the best example I can think of where, while the performance in general is pretty smooth, in certain scenes I'm getting horrendous frame hiccups that simply weren't there before.
I know this isn't a game that is known for being particularly well optimized, so I probably would have just attributed this to general performance drop, if not for the fact that I was able to directly compare it to the previous drivers, which didn't exhibit this issue. Basically, my 670 with 334.89 drivers ran the game smoother than my 970 does with 344.11, 347.09 drivers... and I think that's a problem.
That said, I will look into your suggestions when I get home later on and post back. It certainly couldn't hurt to try, right? I do appreciate the help.
I perused the NVidia forums for a bit today and it seems we're not the only ones having issues with these cards. Lots of people having inexplicable frame drops and stuttering.
Here's a short clip I made just now in Ghosts to hopefully demonstrate the issue. I'm not sure how the Youtube compression might mask the effect a bit, but I think you should be able to see some noticeable hitching around the 1:20-2:00 mark, and especially starting around 2:50 and throughout the rest of the video:
http://www.youtube.com/watch?v=UhqpE8BHsPo
Also, for the hell of it, here's another video another user on the NVidia forums posted just today, showing some extremely poor frame rates and stuttering in Borderlands 2:
http://www.youtube.com/watch?v=zRfgIWtGb6k&feature=youtu.be
This is what I'm dealing with. In games where I should be getting a steady 60fps (and actually did on previous driver versions) I'm suddenly getting hitches and dramatic frame drops. Again, it's only certain specific games that exhibit this issue for whatever reason; most do not. I'm actually starting to wonder if perhaps PhysX is the common theme here...? It seems most games affected seem to use it in one way or another.
I think that is an hardware issue...for you guys??