980ti Power/clock speed issue?

[ShadySheep]

Hello,

 

A few weeks ago, I started noticing some decreased performance when playing games on my PC. I'm not exactly sure what/when it started. Basically in some games, I am getting poor framerates and some odd stuttering.

Some specs (let me know if more are needed)

GPU: 980ti 6GB

CPU: i5-4570

PSU: Coolermaster 650W

 

I have attached a screenshot of GPU-Z while running Heaven Benchmark. The start of the graphs are just idle running (before that Perfcap goes green is the idle time). The benchmark stutters, runs slows most of the time. You can see there are brief spikes where the power consumption goes up , and the clock speed does as well. But otherwise power comsumption and clock speed stays below 50%.

 

Assuming this was a power save issue, I have gone into my Nvidia control panel, 3d settings, and set the power management mode to Prefer optimal performance, didn't help. I used MSI afterburner, everything seems fine in there. Power limit is set to 100% and GPU clock base is set to the standard 1151Mhz.

 

I can't seem to identify the cause of this problem. I ran some hardware test software on my GPU and CPU, results were all passes. I completely uninstalled my nvidia drivers, using DDU in safemode, reinstalled an older version. No change. Is this some software/bios/driver issue? Is my PSU dying? Is my GPU dying (please no!)?

 

Thanks in advance for any insight. Let me know if I can provide more detail.

[Jurrunio]

What 980Ti is this?

[ShadySheep]

It's a Gigabyte 980ti G1 Gaming Edition.