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What is Bottlenecking my system?

Last response: in Systems
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March 22, 2013 8:35:33 PM

At the moment I'm playing Guild wars 2. In a not too demanding environment I can get around 40fps on ultra, 50fps on high and 70-110fps on low. In normal game mode I run it on high and achieve about 30fps. The problem is when I play WvW and there are a lot of people playing in the same area even on low graphics on low resolution it can drop to as low at 5-10fps.

I've monitored the computer in such a situation and:

There is 5gb of available ram. (monitored with Task manager)
The temps are all under 70 celsius (monitored with Speedfan)
The cpus' cores are at about 80% (monitored with Speedfan)
The Graphics cards' activity is 35% (monitored with amd catalyst control centre)


My system is as:

Dell optiplex 760 sff
Intel core 2 quad core q8200 2.33ghz
Windows 7 Home Premium 64 bit
8gb ddr2 800mhz
150gb HDD (70gbfree)
Saphhire Radeon HD7750 1Gb GDDR5 Low Profile
255w PSU
My internet runs at about 4mbps (so 400kbs download)

I have just upgraded my graphics card from a Geforce210 1Gb DDR3 to the Saphhire Radeon HD7750 1Gb GDDR5 Low Profile, my ram from 4gb-8gb and the OS from Windows XP 32bit to windows 7 64bit.

I am getting max 110fps on low graphics at them moment with all my new gear. I was getting max 40fps on low graphics in the same situation with my old gear. So quite a big difference. But in the same scenario where there's a lot of activity my old setup was only a tiny bit worse off.

This leads me to believe it could only be the CPU or PSU...?

Would an insufficient PSU cause this type of problem?

Any suggestions would be very greatly appreciated. :) 

More about : bottlenecking system

March 22, 2013 8:48:44 PM

Internet speed, processor and HDD.
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March 22, 2013 8:52:22 PM

I would run Afterburner and check your GPU usage. If you are running at 99% GPU usage in that particular game, then you have no bottleneck. If you are running at less than 99% GPU usage, particularly if its closer to 50% or less in that particular game, then you have a CPU bottleneck.
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March 22, 2013 8:55:12 PM

Probably CPU bottleneck. If there are a lot of entities on-screen then your CPU becomes more of a factor.
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March 22, 2013 9:04:16 PM

cpu I believe guild wars 2 is more processor bound so that 2.33ghz must be hurting you
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March 22, 2013 10:07:49 PM

bigcyco1 said:
I would run Afterburner and check your GPU usage. If you are running at 99% GPU usage in that particular game, then you have no bottleneck. If you are running at less than 99% GPU usage, particularly if its closer to 50% or less in that particular game, then you have a CPU bottleneck.
As the consensus seems to be the cpu. What would you recommend performance and pricewise for a LGA775 socket? Considering I would only want to spend the money to actually see a decent increase in performance.

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March 22, 2013 10:19:13 PM

That is such an old socket that you'd be better off upgrading your MOBO and getting an i5. Seriously good LGA775 will go for like 300 bucks on ebay.

For 300 bucks you could get an i5-3570k (219 on newegg) and a great MOBO for 70 bucks (http://www.newegg.com/Product/Product.aspx?Item=N82E168...)

Sorry to say bro.
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March 22, 2013 10:25:38 PM

robert_gillow said:
bigcyco1 said:
I would run Afterburner and check your GPU usage. If you are running at 99% GPU usage in that particular game, then you have no bottleneck. If you are running at less than 99% GPU usage, particularly if its closer to 50% or less in that particular game, then you have a CPU bottleneck.
As the consensus seems to be the cpu. What would you recommend performance and pricewise for a LGA775 socket? Considering I would only want to spend the money to actually see a decent increase in performance.

Well 775 is already phased out. So i am not sure what to recommend

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March 23, 2013 9:27:52 AM

I would recommend waiting for the 1150 and haswell in June if you can tolerate the lag for now. If not then I would go for a 3570k and a cheap 1155 mobo. Upgrading to a processor that goes in the lga 775 socket would be a huge waste, as you're just going to have to upgrade it again soon since lga 775 is really old now.
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March 23, 2013 9:29:19 AM

Kjwinden said:
Internet speed, processor and HDD.


Not so much internet speed and definitely not HDD. HDD vs SSD, the only noticeable difference you will experience when gaming is when you load zones.

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March 23, 2013 12:23:13 PM

Good point fearless, in hindsight I said those things just because I noticed they could used improvement. I would be annoyed with the internet speed out of principal and would want a larger HDD for the space...personal preferences sometimes mingle with solid advice:

That is such an old socket that you'd be better off upgrading your MOBO and getting an i5. Seriously good LGA775 will go for like 300 bucks on ebay.

For 300 bucks you could get an i5-3570k (219 on newegg) and a great MOBO for 70 bucks (http://www.newegg.com/Product/Product.aspx?Item=N82E168...)

Sorry to say bro.
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