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Poor Computer Performance

Last response: in Components
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November 9, 2013 11:13:44 AM

I've asked and asked and asked, yet no one seems to be able to figure out the answer.
My custom gaming PC is getting lower than expected performance. Minecraft runs with stutters and I get 40 fps when I play DayZ.

Specs:
CPU: Intel Core i5 2500k @3.3 GHZ (stock) - 4 Cores
GPU: 2 EVGA GTX 770's (ACX Cooler/Factory overclocked) in SLI
Motherboard: Gigabyte Z68A-D3H-B3
RAM: 16gb Kingston hyperx blu (2x 8GB)
Power Supply: 850 Watt Corsair semi-modular 80+ bronze power supply
1TB WD Black HDD Samsung 840 series SSD (250GB)

I ran some benchmarks and these were my results: http://puu.sh/5doFu.jpg

I looked at other benchmarks, and people were easily getting higher scores than that with weaker hardware.

Any help would be immensely appreciated.
November 9, 2013 11:40:17 AM

Do your 2xgtx 770t's occupy the right slots i.e. the first and the third pciex16 slots?
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November 9, 2013 12:04:34 PM

Some games are not optimized for running SLI or Crossfire, usually due to poor coding for multi-GPU configurations. Try this; pull the second video card out and run the game with a single card to test. If it runs better, you know your answer.
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November 9, 2013 12:08:21 PM

Uberragen21 said:
Some games are not optimized for running SLI or Crossfire, usually due to poor coding for multi-GPU configurations. Try this; pull the second video card out and run the game with a single card to test. If it runs better, you know your answer.



Alright, I will try that later tonight.
Correlated to that, would it be worth my while to sell the 770's and pick up the new 780ti?
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November 9, 2013 9:11:21 PM

sixzoseven said:
Uberragen21 said:
Some games are not optimized for running SLI or Crossfire, usually due to poor coding for multi-GPU configurations. Try this; pull the second video card out and run the game with a single card to test. If it runs better, you know your answer.



Alright, I will try that later tonight.
Correlated to that, would it be worth my while to sell the 770's and pick up the new 780ti?


I would say don't sell your 770's just yet. Check the graphics card manufacturer's website (and Nvidia's) periodically for updated drivers. It could simply be a poor driver configuration for that particular game.
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November 9, 2013 10:23:52 PM

Uberragen21 said:
sixzoseven said:
Uberragen21 said:
Some games are not optimized for running SLI or Crossfire, usually due to poor coding for multi-GPU configurations. Try this; pull the second video card out and run the game with a single card to test. If it runs better, you know your answer.



Alright, I will try that later tonight.
Correlated to that, would it be worth my while to sell the 770's and pick up the new 780ti?


I would say don't sell your 770's just yet. Check the graphics card manufacturer's website (and Nvidia's) periodically for updated drivers. It could simply be a poor driver configuration for that particular game.


This. If you are going to sell your 770s, you should try selling them on Ebay or Amazon.
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Best solution

November 10, 2013 2:08:28 AM

sixzoseven said:
These are the PCI express slots that my cards currently occupy.
http://i.imgur.com/TUtrBwz.jpg


That's where they should be.

I would keep the 2xgtx770,they should outperform even the gtx780 Ti.
For the games you talked about you don't really need two of those and trying one is a good suggestion to see if it has something to do with sli and no support for it.

Maybe trying to overclock the cpu and see if there's something to gain.
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November 10, 2013 12:04:05 PM

Vic 40 said:
sixzoseven said:
These are the PCI express slots that my cards currently occupy.
http://i.imgur.com/TUtrBwz.jpg


That's where they should be.

I would keep the 2xgtx770,they should outperform even the gtx780 Ti.
For the games you talked about you don't really need two of those and trying one is a good suggestion to see if it has something to do with sli and no support for it.

Maybe trying to overclock the cpu and see if there's something to gain.


Overclocked my CPU to 4.0 GHZ. Saw a completely negligible change in performance.
Also, is there an explanation for why I score so low on the benchmarks? Surely there is something wrong with my computer. I have changed almost every part in it since I first got it besides the motherboard and CPU. I dont think my CPU is a problem, so I suspect it is somehow a problem with my motherboard.
Could it be that my two PCI express slots are only 2.0 and one is 8x bandwith?
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November 10, 2013 1:01:43 PM

sixzoseven said:
[
Could it be that my two PCI express slots are only 2.0 and one is 8x bandwith?


In sli both slots perform at x8 so maybe with high end gpu's like yours it may have a performance penalty.
In most reviews about the difference between 2.0 and 3.0 slots the difference is negligible,but maybe sli throws a spanner in the works.
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November 11, 2013 2:37:47 PM

Alright:
So, if I take the bottom 770 completely out, I see no performance change in benchmarks, games, or anything really.
Besides, the games I am playing have mature SLI profiles for them. Alongside this, I am using the 3DMark benchmark so I am quite confused as to why I am not getting the performance increase from SLI.

Also, even with a single 770 I still get much lower FPS than people with weaker cards. My friend has a 660ti and he gets about 125 more FPS than me in Minecraft.
In battlefield 4, I am getting framerates between 50-60 at multiple points in time.
In DayZ, I get, on average, 40 FPS.

Really starting to wonder why.
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November 13, 2013 11:57:14 AM

One more thing a can think off is if you don't already have it is updating to the latest bios.
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