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CPU bottleneck...

Last response: in Systems
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October 11, 2010 5:39:42 PM

I put this question in New Build not sure if its correct sub category to ask this but lately new games have been giving me troubles so I want to upgrade
my specs

Mainboard : Gigabyte 945GCM-S2C
Chipset : Intel i945G/GZ
Processor : Intel Pentium E2220 @ 2400 MHz (overclocked to 3.0)
Physical Memory : 4096 MB (2 x 2048 DDR2-SDRAM )
Video Card : ATI Radeon HD 5700 Series
Hard Disk : ST3500630AS (500 GB)
Hard Disk : ST3750640AS (750 GB)
DVD-Rom Drive : HL-DT-ST DVDRRW GWA-4166B ATA Device
Monitor Type : Samsung SyncMaster - 24 inches
Network Card : RTL8101 PCIe Fast Ethernet Adapter
Operating System :Windows 7 Ultimate Professional 6.01.7600
DirectX : Version 11.00
Windows Performance Index : 5.7 on 7.9
Power Supply: 500

So how should I go about this? My pc bottlenecking the system right? Can i get a good upgrade for same socket that can withstand time? should I get a new motherboard with ddr3 upgrade and one of newer processors and possibly new power supply? What should I do that wont be too pricey and most cost efficient

Im looking at 500$ budget

More about : cpu bottleneck

October 11, 2010 6:12:37 PM

you're using the intel 775 chipset which is dead and old. you could, in theory, upgrade it with a core2quad 9550 or 9650 at over $320. but a new AMD Phenom II 955/65/70, plus a motherboard and 4 GB of DDR3 ram would come in at about the same price.

a 955 CPU ($140)
a 770 mobo ($60)
and 4 GB DDR3-1333 ($67)

comes out at $267, before considering any combos
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October 11, 2010 7:05:08 PM

ScrewySqrl said:
you're using the intel 775 chipset which is dead and old. you could, in theory, upgrade it with a core2quad 9550 or 9650 at over $320. but a new AMD Phenom II 955/65/70, plus a motherboard and 4 GB of DDR3 ram would come in at about the same price.

a 955 CPU ($140)
a 770 mobo ($60)
and 4 GB DDR3-1333 ($67)

comes out at $267, before considering any combos


I found this on newegg which one is a better option?
http://promotions.newegg.com/AMD/092310bund/index.html?...
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Related resources
October 11, 2010 7:30:30 PM

Read these articles, part1 and 2
http://www.tomshardware.com/reviews/game-performance-bo...
http://www.tomshardware.com/reviews/game-performance-bo...

Their conclusion is, that if you have a dual core @3.0, invest your money in a better graphics card.


What 5700 card do you have?

With a 24" monitor, you can use lots of graphic power.

If your graphics card is weak, wait a week or so, and see what the 6850 looks like. A good graphics card can be carried forward to a cpu upgrade later.

I would not today upgrade a cpu with "sandy bridge" coming in January or thereabouts.
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October 11, 2010 8:00:44 PM

5750 1gb vram.
yeah and what is this "sandy bridge" u speak of?
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October 12, 2010 10:26:44 PM

So what should I do ? Should I wait for sandy bridge is it gonna be better than my separate video card and phanomII? What about the price? I'm expecting crazy prices for motherboards since sandy bridge is new...
So how should I go about this? I really want to be able to play games at max settings with all sick games coming on Christmas
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October 12, 2010 10:46:24 PM

Your best bet is going to be to get a better video card. You could also upgrade to a core2quad for around $150 (for the lowest model). Sandy Bridge won't have the graphics power to beat a discrete card, and you'd be stuck with a GPU bottleneck if you went that route (not to mention the prices you'd be paying for the new processor and mobo, as well as DDR3 RAM).

I see the two main routes being:
1) Upgrade to a quad and a better video card (Q9550 + GTX 460 - $488)

2) Change to AMD and go for an AM3 build. You'll at least need a cpu, motherboard, and RAM. This may push you over budget a bit if you decide to get a new card as well, but you can bring it in under budget easily if you stick with the 5750. Know that the 5750 will definitely be the bottleneck in an AM3 system though, so you have to stay under $500, you'll need to lower the graphics a bit until you can afford a new card.
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October 12, 2010 11:01:14 PM

My suggestion is to upgrade your graphics card first. Get the strongest one that you feel comfortable paying for.

See how you do with that.

Sandy bridge will be competitively priced, and start at 3.1 clock rate. Clock for clock, it will be about 15% faster than current intel cpu's which, in turn are faster than amd cpu's on a clock for clock basis.
Do not expect gaming capability out of the sandy bridge cpu's. It is about the equivalent of today's $50 discrete card.

In the interim, to clarify your needs, conduct these two tests:

1) Run your games, but reduce the resolution and eye candy to a minimum. This will simulate what will happen if you upgrade to a stronger graphics card. If your FPS improves, it indicates that your cpu is capable of driving a stronger graphics card to higher levels of FPS.

2) Keeping your graphics resolution and settings the same, reduce your cpu power. Do this by removing the overclock, or by using windows power management to set a maximum cpu% of perhaps 70%. If your FPS drops significantly, it indicates that your current cpu is a limiting factor, and that a faster cpu would help.

Tell me how you do.
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October 12, 2010 11:29:37 PM

Alright I tested the max/min graphics in dead rising 2 and avg on top graphics is 30fps and average on low graphics is 60 should I undeclock my cpu for more data?
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October 12, 2010 11:43:42 PM

Sounds like you have a GPU bottleneck. I'd look at getting a GTX 460 or waiting a week for the AMD 6xxx series to launch and lower the prices on the 5xxx cards. If you get that and you're still running slow, then consider a cpu or platform upgrade.
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October 13, 2010 3:19:29 AM

If cpu isnt a bottlenecker than idk this doesnt make sense Ive been upgrading my video card pretty often and my processor is from stone ages and yet again all I need is a new video card =|
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October 13, 2010 11:02:04 PM

It's because most games these days can't take advantage of more than two or three cpu cores and many still only use 1. Graphics quality is always increasing though.

The 5750 is also not that great of a card for gaming; a similarly (or lower) priced 4870 or 9800 GTX will best it in almost all games.
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