CPU Bottleneck on new GPU

Hello, I recently bought a Visiontek HD 5670 1gb DDR5. I'm noticing it's giving me the exact same FPS and overall performance that my old, now broken Geforce 8800GT 512mb card gave me. I'm wondering if my AMD Athlon 64 x2 4200+ is bottlenecking my video card.
Brief system specs:
64 X2 4200+, Overclocked from 2.2ghz to 2.35ghz. (I have to OC using software, because my Mobo sucks.)
3 gigs of DDR2 ram 800mhz
Windows 7 premium 64bit

I've got a bit of money saved up, and I can get an AMD 64 X2 5400+. I'm thinking I could OC it to at least 3ghz. Would this help alleviate the bottleneck on my computer? I'm noticing that when gaming, my CPU monitor reports 100% usage constantly.

Basically, long story short, Will I get a preformance boost swapping my 4200+ for a 5200+?
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  1. Tatewaki75 said:
    I'm noticing that when gaming, my CPU monitor reports 100% usage constantly.
    That's probably going to be the same thing you see if you do upgrade to the X2 5400+. It's not a bad thing - it just means the CPU is working hard for you.

    How much would the CPU swap cost?
    You would get a performance boost - but how much would depend on the games you play.
    What screen resolution do you use for gaming?
  2. Right now I play at 1280x720. My monitor is also my HDTV, and it can only go to 1920x1080, so I can play at that resolution. Switching between the resolutions doesn't affect the FPS at all. The swap would cost me 53 dollars, including shipping. Like I said, I'm REALLY strapped for cash, otherwise I would say screw it, and replace both the mobo and the cpu. But alas, that's currently out of my price range. When I'm playing at 1280x720 I'm getting 30-35 FPS on games like Dragon age origins and bioshock 2, with it dipping as low as 20 FPS.
  3. The 5670 and the 8800GT are on the same GPU tier. At 1280x720 they will perform the same. If you bought the 5770 and saw the same performance then you definitely have a CPU bottleneck.
  4. The 5670 has almost identical performance to an 8800GT, it's a newer card with DX11 and lower power consumption, but raw performance is almost identical. Depending which variation of an 8800GT core you have, it may actually be a little slower.
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