Gaming PC Sudden Loss of Performance

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baseballer_99

Prominent
Dec 4, 2017
8
0
510
Hey Tom's Hardware,

I've been trying to find a solution on this website for the past 48 hours to no avail.

Build:

Gigabyte Z370 AORUS Gaming 7 (Rev. 1)
Intel i7-8700k (Cooler: Corsair H100i v2)
EVGA GeForce GTX 1070 Ti SC
G. Skill Trident Z RGB (4 x 8GB)
Corsair RM 1000W 80+ Gold
Samsung 850 EVO 250GB
Seagate 2TB


Problem:

Two days ago I was playing Fortnite and suddenly the game hit 30-40FPS and stayed there. I restarted my PC and still had a terrible framerate. I reinstalled Windows

Attempted Solutions:

I've clean installed Windows 10.
Uninstalled and reinstalled my video card driver.
Monitored clock speeds (CPU ~4300MHz & GPU 1800MHz in-game)
Monitored temperatures (CPU 40-45C & GPU 60-65C)
Used three programs to virus scan due to hearing of a Bitcoin Mining virus.
Verified my clock speeds, multiplier, and voltage. All stock.

Tests Done:

Prime95: CPU hit 95C and PC froze.
Nova Bench: CPU-1396, GPU-868, RAM-305, Disk-86

Other Important Info:

I livestream to Twitch from my gaming PC for the time being. My video card is used as my encoder. The weird part is that I suffer no frame loss when streaming at the lower FPS and I'd think that it would drop even more since it's already struggling. My Fortnite still stays at around 100FPS regardless. Two days ago I was capped at 144FPS and almost always stayed at 144. Now I sit at around 100 and it never changes.

I played Far Cry 5 at low settings with nearly the same framerate.

In general my PC seems little more laggy than usual. If I try to open a link from discord it takes nearly a minute to open in a browser window.
 
Solution
2
This what i found i tried nova bench and got a cpu score of 491 (i5-4460) ,Ram Score of 190 , Graphics score of 872(GTX 1060 3gb) and disc score of 38 (Seagate 1tb) as you can see my gpu score is higher than your 1070 ti which is supposedly superior I think that it has to do with your GPU
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2

25th_Gamer

Honorable
Dec 30, 2016
62
0
10,660
is your drives stuck at 75% or higher because i had that problem with my drives at 100 and it slowed everything even when opening browsers
Open the task manager and go in performance tab and find your disk drives there
 
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baseballer_99

Prominent
Dec 4, 2017
8
0
510


While in-game Disk 0 is at 0% and Disk 1 is at 0%
 
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2

25th_Gamer

Honorable
Dec 30, 2016
62
0
10,660


Might be your temps do IPDT and other test to see temps
 
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baseballer_99

Prominent
Dec 4, 2017
8
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510


Do my temps (listed above) seem high? They weren't high based on the research I did.

According to this website: https://downloadcenter.intel.com/download/19792/Intel-Processor-Diagnostic-Tool it is not a tool that works for the i7 8700k.
 
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2

25th_Gamer

Honorable
Dec 30, 2016
62
0
10,660


On prime 95 it is indeed high are you sure you mounted your cpu good enough
 
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baseballer_99

Prominent
Dec 4, 2017
8
0
510


Okay, I see what you were saying. I ran Prime95 right when I built this pc and had no high temps or failures. So it was mounted well, right? Would it become loose or lose connection with the cooler over time?
 
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2

25th_Gamer

Honorable
Dec 30, 2016
62
0
10,660
i see your problem here you might have dried out your thermal paste and you could try to change it but if it does not do anything your pumps might be slowing down or just broken and needs replacement but before that monitor your power usage if the cpu is 100 all the time while the gpu is not getting high enough power usage usually lower than the cpu then it is the cpus problem
 
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baseballer_99

Prominent
Dec 4, 2017
8
0
510


EDIT: My Gigabye App Center was set to OC 4.7GHz. I reset it, uninstalled the program, and loaded optimized defaults from the BIOS. Fortnite is now running at 100FPS from the steady ~134FPS I had earlier today. So it seems to be a CPU issue that keeps everything stable, but is underperforming, whilst not overheating.

Okay so I was monitoring usage, stayed around 40-50% while running everything I need for my stream. I will say that I noticed my clock speed was 4.8Ghz which seems way high, but I could be wrong. I don't overclock so it should be like 3.7 stock, right?
 
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2

25th_Gamer

Honorable
Dec 30, 2016
62
0
10,660
your i7 has a stock speed of 3.7 ghz and has a turbo speed of 4.7 ghz so staying at 3.7-4.7 is safe but going higher without overclock is not good
While looking at that try this benchmark http://www.userbenchmark.com/
 
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2

25th_Gamer

Honorable
Dec 30, 2016
62
0
10,660
This what i found i tried nova bench and got a cpu score of 491 (i5-4460) ,Ram Score of 190 , Graphics score of 872(GTX 1060 3gb) and disc score of 38 (Seagate 1tb) as you can see my gpu score is higher than your 1070 ti which is supposedly superior I think that it has to do with your GPU
 
Upvote 0 Downvote
Solution
B

baseballer_99

Prominent
Dec 4, 2017
8
0
510


I put a 1050 Ti in my pc and am seeing much better performance & all of the weird little hickups have stopped. Safe to say it was my video card that had a very short life. Going to send it back for an RMA. Thanks for the troubleshooting help!
 
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