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GPU bad performance, CPU/RAM questions

Last response: in Graphics & Displays
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June 17, 2014 4:17:06 PM

Hi, so I have some fps issues with my recently added GTX 660, and some questions about my CPU and RAM. My system

Pentium 4 3.00 GHz
4 GB DDR2 Ram
Galaxy GeForce GTX 660
(Old graphics card was a GeForce GTS 250)
Asus P5Q PRO (old)
860W PSU

So, I've recently added the GTX 660 with the latest drivers installed, I've tested it out on Rust and CSGO and noticed that the frame rate is worse than the GTS 250 could bring, and I was thinking that the 660 may be bottlenecked by the Pentium CPU? If it is, are there any replacements that I can get for $130-140? Also am I able to upgrade my RAM from DDR2 to DDR3?

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a c 341 à CPUs
June 17, 2014 4:19:06 PM

Look on eBay
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a b à CPUs
June 17, 2014 4:20:17 PM

That board supports DDR2 only
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a b à CPUs
June 17, 2014 4:33:52 PM

That CPU would deliver much better performance but isn't compatible with your motherboard. You'd have to replace the board and RAM along with CPU (though that would be the best option for performance, if you can afford it).

CPU support is closely tied to the CPU socket and chipset of the board (and Intel and AMD are not cross compatible); RAM is also tied to mobo support
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June 17, 2014 4:36:02 PM

So what about an i3?
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a b à CPUs
June 17, 2014 4:39:01 PM

Also would need a new board and RAM. The board you have now supports "LGA775" which is not a socket used by current CPUs. You can install up to a Core 2 Duo or Core 2 Quad (should be some on ebay) on that board without getting a whole new system
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a b à CPUs
June 17, 2014 4:49:48 PM

PCPartPicker part list: http://pcpartpicker.com/p/6PbdrH
Price breakdown by merchant: http://pcpartpicker.com/p/6PbdrH/by_merchant/

CPU: Intel Celeron G1820 2.7GHz Dual-Core Processor ($47.99 @ Mwave)
Motherboard: MSI H81M-E33 Micro ATX LGA1150 Motherboard ($49.98 @ Newegg)
Memory: Crucial Ballistix Sport 4GB (1 x 4GB) DDR3-1600 Memory ($37.99 @ Amazon)
Total: $135.96
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-06-17 19:46 EDT-0400

This is WAY better than what you have now. You should be able to replace the motherboard easily. You can easily upgrade the cpu later sense I put you on a Haswell platform.
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a c 341 à CPUs
June 17, 2014 7:22:18 PM

The 6300 would be OK with a 660
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a b à CPUs
June 17, 2014 7:39:53 PM

rub3n213 said:
Ok, I'm looking for something a little more powerful and for about 300 bucks I can get this, http://au.pcpartpicker.com/user/rub3n/saved/3HgzK8
Would the AMD FX-6300 bottleneck the 660? I don't want to get anything that isn't very compatible.
Instead of upgrading an old pc I could just create a new one for another $300, http://au.pcpartpicker.com/p/G29XYJ, Is this an ok build?


I would get a new case too while you're at it. Just to be sure your motherboard will fit.

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