FPS will always drop despite of the lower framerate lock

[MythicalSnake]

So, I experienced something curious: whenever I lock the framerate, using RivaTuner, in a game I usually get over 100 FPS in, the framerate will go lower than what I lock it to. Example: locked at 60 FPS -> drops to 50 frequently, locked to 80 -> drops to 70 frequently. All of this, even though when I leave the FPS unlocked the frames never go this low. Same thing happens when I put V-SYNC on.
I want to be able to lock my FPS, because the frametimes are wildly unstable and result in hitching (even though the framerate is 100+).
PS. I'm experiencing this issue in a game named Dirty Bomb.
My specs:
GTX 1060
i5 3570
8GB RAM

 

[Grugbug]

Locking the frame rate keeps the rate from going over the limit you set. The lock does not boost your frame rate.

 

[MythicalSnake]

Locking the frame rate keeps the rate from going over the limit you set. The lock does not boost your frame rate.

I know.
But the framerate is lower when I lock it (drops below the locked number), than it would be if I would unlock the FPS.

 

[rgd1101]

it is lock fps or limit fps?

 

[MythicalSnake]

it is lock fps or limit fps?

Hm... what's the difference?
I locked/limitted the FPS to 80 using RivaTuner.

 

[rgd1101]

limit mean it limit the max fps, not min limit.
locked mean it only do the exact fps. or at least it try to

 

[MythicalSnake]

limit mean it limit the max fps, not min limit.
locked mean it only do the exact fps. or at least it try to

Well, without the lock the FPS would never go below 80fps, but with this lock in place it goes down to about 70-75 at times.

 

[rgd1101]

maybe you should try something not outdated
http://www.guru3d.com/files-details/rivatuner-v2-24c.html

Rivatuner is now outdated and discontinued, only older legacy cards work with this software. It has been replaced by our project AfterBurner. Please download AfterBurner. It has all the better features and more.

 

[MythicalSnake]

maybe you should try something not outdated
http://www.guru3d.com/files-details/rivatuner-v2-24c.html

Rivatuner is now outdated and discontinued, only older legacy cards work with this software. It has been replaced by our project AfterBurner. Please download AfterBurner. It has all the better features and more.

Thanks for that - but, well, the thing is, I already have Afterburner.