High End Pc- Low FPS

Khang_2 · Apr 11, 2017

So, I have read a lot of threads about this problem, and cant find any solution for mine.
My Specs:
CPU : I7 7700
GPU : MSI 1070 Gaming X
Main: Giga H270 gaming 3
Ram: 2x8GB Cosair LPX 2400hz
PSU: zalman ZM600 LX
Window 10 pro 64bit
Samsung EVO 850 256gb
dell U23h12HM.

I watched video on youtube playing Battlefield 1 with exactly my specs(except CPU, they got one lower than mine (i7-6700k) and they had 100fps up.
but mine is only 60fps and sometimes drop to 40 fps.
(in game GPU usage: 70% 61*C, CPU 80% 60->71*C)
It really piss me off.
I still not try change the PSU.
(I did reinstall window, Driver)

in addition: i feel my window is lagging and sometimes sluttering when browsing folder.(checked, my ssd is still good)
does the PSU cause this problem or something else ?
Please help, thanks in advance.
p/s: Sorry for my English.

Supahos · Apr 11, 2017

Why would you build such a nice expensive computer and throw a junk PSU at it? There is no real way to tell if the PSU is the issue or not but ive seen people swap from bad units and see 60% performance gains on a high end system. I'm not saying you'll see anything that major but you could see some improvement. By the way a 6700k on YouTube was almost certainly overclocked faster than your 7700

Khang_2 · Apr 11, 2017

Supahos :

Ya, You are right, because that PSU is from my old PC part and I run out of money building another one so may be I ll wait next month to be able to upgrade my PSU. I ll test new PSU to make sure that's problem.
Apart from that, any advice ?.

Supahos · Apr 11, 2017

No everything else is fine that PSU is just a big red flag.

sizzling · Apr 11, 2017

A PSU cannot cause reduced fps, it can cause stability problems though (crashes).

What resolution and game settings are you playing at? What resolution and settings were used by the YouTuber?

Khang_2 · Apr 11, 2017

sizzling :

The resolution is 1080p.
I set everything at ultra as well as youtuber.

sizzling · Apr 11, 2017

Are all motherboard drivers up to date? Were you both using DX11 or DX12?

Khang_2 · Apr 12, 2017

sizzling :

Yes, All drivers are up to date, I still not try DX12 but using DX 11.
So today I turn off anti aliasing and FPS is improved.

But I still dont know why my PC is lagging when using window, like browsing folder slowly, everything seems not right. Open or close task manager cost about 1-> 2s. As I mentioned, My SSD is okay..

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