120fps Problem With Framerate

MxOAgentJohnson · Sep 28, 2014

[video="https://www.youtube.com/watch?v=sn6dF65osCk"]https://www.youtube.com/watch?v=sn6dF65osCk[/video]

This is the closest i can show.

Whenever i lock my fps to 120 in games, it fluctuates from 120 to 119.7/119.9, I usually notice if it goes down to 119.4 that i get a slight hiccup/stutter, some games dont do this, Half Life 2 being an example, some games drop to 119.7 often but dont visually stutter, sleeping dogs, and some do this where they stutter every time it does it.

But for an annoying reason, when i lock at 60 it never does this, ever, only in tf2 and ultra sf4 does it drop to 59.9 or so, and never stutters (tf2 does for another reason unrelated which is being fixed)

Yet, when i unlock the fps, you can clearly see beyond 120fps being achived, so i dont understand what to do.

Dishonoured does the same thing, so does DmC, yet others dont? I'm really confused as to what it could be.

delaro · Sep 28, 2014

Nothing to do or be concerned about, everything is working fine. The human eye cant tell the difference between 30fps and 120fps and your fluxing less than 1% 0.o really your good to go.

anbello262 · Sep 28, 2014

I don't see any kind of hiccup or stutter o.o at which exact second in the video is that seen?

MxOAgentJohnson · Sep 28, 2014

It's a lot more difficult to show, but it stutters quickly, putting recording 120fps at 30 most likely wont show it.

And Delaro you couldnt be any mroe wrong, but ok.

delaro · Sep 28, 2014

The human eye can't distinguish the difference between 30fps and 60fps that is fact that can be proven easy, search youtube there are many side by side videos to show you. Now on a 120hz monitors what I notice is a slight input lag when running less than 60fps but at 60fps to 120fps I don't notice all that much of a difference. I play at 120hz when games allow me which isn't a huge variety for the types of titles I like.

Try FRAPS next time, its hard to show your issue with a device that records less than 30fps.

MxOAgentJohnson · Sep 28, 2014

I dont mean to sound nasty but please leave, you're not helping the situation and i dont want this derailing into a human eye framerate comparison bullshit thread.

I need help for a problem, not wrong opinions.

You literally didnt watch the video either by the looks of it.

iamlegend · Sep 28, 2014

You have a bad attitude buddy. delaro is explaining to you what it is and you should know more about Framerates and refresh rates not bragging about what you want, you don`t always get what you want buddy.

BTW, for your issue I think you should upgrade your brain.

~iamlegend~

MxOAgentJohnson · Sep 28, 2014

Forget this post, i didnt realise people on the graphics display section were actual simpletons

If you read the damn post you'd see that im getting stuttering problems specifically at this, not bragging atall.

You really need to get out more.

bystander · Sep 28, 2014

delaro :

Do you know why you can't tell a difference? Because of 1) Youtube videos are all shown at 30 FPS and if you are talking about video in general 2) they have motion blur.

Any moron who has a PC can play or watch a game at 30 FPS and see a major difference all the way past 60 FPS. I see a pretty big difference up to at least 85 FPS. After that, it gets to be smaller, but it is still seen, but the biggest difference once you get past 85 FPS is latency as you noted.

As to the OP: It is normal for your FPS to drop almost up to 1 FPS from your refresh rate. This is because your refresh rate isn't perfect and will actually vary a bit.

iamlegend · Sep 28, 2014

So, do you think people will help someone with your attitude?
Your problem is pretty simple but you are so bossy!

They are not your slaves! People won`t help someone like you!

bystander · Sep 28, 2014

iamlegend :

Frankly, I am just as sick of people posting about the myth of the human eye only seeing 24/30/60 FPS. I too would be rude to those who keep spreading that info. The human eye most certainly can see the differences under different circumstances.

Now the video is of no use, as 30 FPS with motion blur is not the same as 120 FPS.

It is normal for the refresh rate to vary a bit, and results in small dips below your refresh rate (less than 1 FPS), but some dips are simply due to the game.

iamlegend · Sep 28, 2014

Every person is unique in seeing things and I agree that this is not the concern.

However, 120 FPS and dips of 100 is over the top. You can tweak the settings to get FPS of higher 60 for smooth gaming.

On the otherhand, judging OP`s reaction to those information he would like to cap it to 120 somehow which I doubt that you can attain.

Well maybe ha has the money to buy the most expensive GPU but lacking the brain and attitude on how to utilize it.

bystander · Sep 28, 2014

He seems to be getting less than 1 FPS fluctuation, but sees some hiccups. What that probably means is he gets one or 2 frames with a long frame time, with every other frame being consistently around 7ms. FPS is an average per second, that isn't to say there isn't an occasional slow frame. It is also known that refresh rates aren't exact. They can fluctuate as much as 1 hz.

Not every engine or driver is perfect, and this is to be expected. Some games may not have an issue, some will. It's life.

anbello262 · Sep 28, 2014

Everyone, you're not understanding the problem!

As stated in the first post, it's not about a drop from 120 to 119 fps. It's about a problem with a small stutter, that happens to be at the same time as the fps counting software drops from 120 to 119. The problem is not the drop, is the stutter.
And a stutter would mean that, in reality, there is a bigger difference than 1 fps, something that the fps monitoring software doesn't detect.
So the problem is somewhere else.

iamlegend · Sep 28, 2014

Very well said Mr. bystander, as I did not see his video yet, because I`m currently in the office, I will assume that it is DOTA2 or DOTA which 120FPS is not necessary. DOTA2 is capped at 60 FPS and DOTA is lagging behind in terms of competitive environment.

iamlegend · Sep 28, 2014

Just enable V-sync to remove stuttering.

anbello262 · Sep 28, 2014

It's stated that not only one game shows this behaviour.

bystander · Sep 28, 2014

anbello262 :

I've explained this at least once.

1 FPS drop causes a stutter due to 1 frame being long. It only takes 1 frame to cause a stutter. It might be one frame that lasts 3-4 times longer than normal, but since FPS is an average, and often an average over a few seconds, that long frame does not drop the FPS much.

The fix is game dependent, as you said, it only happens in some games. Some games just aren't perfectly smooth. Some driver fixes can fix it, some are a problem with the game engine.

MxOAgentJohnson · Sep 29, 2014

Thank you for the help Bystander, it's nice to get a clear response directed solely at the problem and not diversing off the topic like Legend came here to do.

I've been looking at a few games to see if what happens and most seem pretty consistent, its just these odd few. Which surprises me because even if i bop down the graphics to the bare mininmum and spew out 300 fps consistently, the error still occurs in particular games, it especially makes it difficult in Dota 2.

bystander · Sep 29, 2014

Your only possible solution is going to come from going to those particular game's websites/forums and see if someone else has a solution.

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