So I finally got my XFX HD 4890 today and replaced my HD4850 that overheated, and I'm surprised but I actually notice a difference with 1920 x 1200. GTA IV is actually playable and runs at higher settings than the 4850 did at medium settings. Plus it doesn't overheat as bad. Still gets quite hot.
Would overclocking the e8400 provide much of an increase in overall performance as well? Right now I'm running it at stock 3.0 GHz but I've got an Arctic Cooler 7 Pro so I should be able to get around 3.6 easily I imagine. I'm not so much interested in bragging about my overclock results as I am interesting in taking advantage of something that may be beneficial.
My full system specs:
E8400 Processor w/ Arctic Cooling Freezer 7 Pro
EP-35 Gigabyte Motherboard
4 GB DDR2 RAM [Corsair XMS2 TWIN2X4096-6400C5 4GB DDR2 2X2GB PC2-6400 DDR2-800 CL 5-5-5-18 240PIN Memory Kit].
24" Samsung SyncMaster 2433 Monitor -- 1920 x 1200
I'm considering just bumping the FSB up to 400 MHz for an easy 3.6 GHz. I tried it a while ago and it idled around 47 degrees in RealTemps but I switched back after, deciding to worry about it later. This was a month ago or so, I've since cleaned the case a bit and installed a better case which may or may not make a difference.
Basically my question is this - is it worth it? It's really hard to find benchmarks of e8400 stock vs e8400 overclocked in real word results aside from a silly FutureMark score. I'm mostly using it for gaming and a bit of browsing and BluRay watching. I just would rather not bottleneck the 4890 with a stock e8400 if I can get some extra performance out of the computer.
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The OC won't matter at all for browsing or watching. Some games like GTA4 will love the extra CPU speed while others won't care. GTA4 loves cores and speed, so it will help if you need just a bit more. You could always try it and see. I suspect you'll gain a bit, but realize that percentage wise your not gaining a lot of speed. Your adding 20% more speed, so best case you can only add 20% to your FPS. (because the GPU is involved it won't be that high.) If your FPS right now are 40FPS, 20% increase brings it to 48FPS.
First thing is first, yes, you will have an advantage in overclocking to 3.6, especially if you can do it without a voltage increase.
the first thing you will want to check is the revision of the E8400, download CPUID and see if it is C0 or E0. If it is an E0 CPU, you will likely be able to get it to 3.6 without a voltage increase.
if you have an E0 CPU, the second thing you'll want to do is go into the BIOS and manually bring the FSB for the CPU from 333 to 400, then disable "SpeedStep" then check what your DRAM frequency is running at and manually adjust it to be 800 so you get a nice 1:1 ratio.