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Upgrading, wheres the bottleneck?

Last response: in Graphics & Displays
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January 19, 2012 2:03:08 PM

Im trying to play Skyrim. It works on Low Settings fine. Medium it crashes occasionally, and has some lag so can't play on Medium.
Dual Core 5600 (2.8x2) 2mb Cache
2G RAM 667 DDR2
Windows XP pro SP3 (becuz low RAM consumption 300MB system idle)
RADEON 6670(newly installed)
clocked at 900core and 1100memory

Question: If I add 2G RAM and replace CPU will Skyrim run smooth on high or at least medium?
Or will just adding another 2G RAM 1066mhz DDR2 do it ? Or is this comp not meant to ever play Skyrim because mobo limits?
January 19, 2012 2:06:47 PM

Im trying to play Skyrim. It works on Low Settings fine. Medium it crashes occasionally, and has some lag so can't play on Medium.
Dual Core 5600 (2.8x2) 2mb Cache
2G RAM 667 DDR2
Windows XP pro SP3 (becuz low RAM consumption 300MB system idle)
RADEON 6670(newly installed)
clocked at 900core and 1100memory

Question: If I add 2G RAM and replace CPU will Skyrim run smooth on high or at least medium?
Or will just adding another 2G RAM 1066mhz DDR2 do it ? Or is this comp not meant to ever play Skyrim because mobo limits?
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January 19, 2012 2:10:34 PM

Oh and yes

PSU 305W --- I can get one off my friend 500W for $25 which is an option. Also maybe return Rad6670 and get 6850. but still the mobo is 5 yrs old and I dont think it can run quad cores cpu or DDR3 ram ?
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a b U Graphics card
January 19, 2012 2:22:53 PM

What is your budget? A quad-core CPU with at least 4GB RAM is starting to become necessary for gaming.
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a b U Graphics card
January 19, 2012 2:44:45 PM

have you tried overclocking
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a b U Graphics card
January 19, 2012 2:47:49 PM

crashing denotes system instability, not a cpu bottleneck. (there may also be a bottleneck, but bottlenecks cause things to run slower than they ought, they do not cause crashes).

On a side note; low ram consumption really dosn't matter when you consider the features, speed, stability, and security of having a modern OS... not to mention that RAM is cheap (granted DDR2 is more expensive, it is still relitively cheap to pick up a full 4GB 2x2GB kit). On my 16GB ram rig with Win7 I generally never use more than 3GB, even when gaming, so pick up a 4GB kit and upgrade!

Generally instability that causes crashes is caused by a few things:
A bad OC; back off a little if you are overclocking anything (like the new GPU)
bad cooling; Check your system temps, make sure the CPU is under 75*c, and the GPU is under 85*c (they can run hotter than that... but that is not suggested)
Bad ram sticks; run memtestx86+ for ~6-8 hours to see if there are any errors
Bad power management; this is especially suspect as you just added a more powerful GPU, it is possible that your PSU cannot handle it. Remember, it must not only have the Wattage rating required by the GPU, but must also be able to supply the amperage, and a 4-5 year old PSU is not going to give you the optimal wattage and amperage that it did when it was new (shave off 10-15% when doing your math).
A dying mobo/processor; Highly unlikely, but if everything else fails to fix the problem then this would be your last option.

For added performance; will your mobo do a quad core CPU? There are plenty of q6600s and other good cheap LGA775 CPUs out there on the market as people are upgrading. I would not pay over $100 for one, but it may help stave off a full system update if all else fails. Also up that ram to 4GB of DDR2 800. Faster ram clocks does not help much in the DDR3 world, but in DDR2 it will make a noteable improvement.

Good luck!
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January 19, 2012 2:48:12 PM

As much as my computer can be upgraded. I don't want to pay more than $300-$350 though. I rather get $1100 Gaming system with I7, 8G RAM, GTX570 if its more than $350.
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a c 271 U Graphics card
January 19, 2012 2:51:17 PM

This next topics has been merged by Mousemonkey
  • CPU bottleneck?
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    January 19, 2012 3:54:24 PM

    Best answer selected by dravan.
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