Dell XPS 420 800MHz memory - worth upgrading to 1066MHz?

Hi Folks

Hope someone out there can point me in the right direction. I have a Dell XPS 420 system with 4GB 800MHz memory. question is, would it be worth upgrading to 4GB 1066MHz memory which the BIOS tells me the FSB is running at?

Service tag is: 5CV7S3J

thanks in advance!
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More about dell 800mhz memory worth upgrading 1066mhz
  1. No. The cpu fsb may be at 533; this doesn't mean the ram is running at this speed. Cpu and ram fsb aren't the same. Dell systems aren't designed for upgrading. If you want to upgrade, build it yourself.
  2. Not sure I understand bu thanks anyway
  3. ^+1 No. The difference between 800 MHz & 1066 MHz RAM could be from a small LOSS to a small gain; it is NOT 20% gain and at best a 2~5% gain. It's all about the IC's used in the production of the RAM.

    Example:
    Comparison Module #1: Mushkin Redline 996805 6-8-6-24 1600MHz
    Comparison Module #2: G.Skill Pi Series 7-8-7-24 1600MHz
    Comparison Module #3: Mushkin 998687 8-9-8-24 1866MHz
    Comparison Module #4: Corsair Dominator TR3X6G1600C8D 8-8-8-24 1600MHz
    Comparison Module #5: Kingston HyperX T1 9-9-9-27 1600MHz
    Comparison Module #6: Mushkin Blackline 998677B 7-7-7-20 1333MHz
    Comparison Module #7: Patriot Viper II Sector 7 9-9-9-27 1800MHz
    Stock Speeds:
  4. Thanks Jaquith! That's really helpful!
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