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Thread: Upgrade from the p8400 to the t9400?




  1. #1

    Question Upgrade from the p8400 to the t9400?

    I was wondering if it will be worth it for me to buy a t9400? A guy on ebay is offering me a new one for 120. I currently have a p8400 in my system which is 2.26 with a 3mb cache and the t9400 is 2.53 with a 6mb cache. I know that the small speed difference wont really be noticable, but what about the jump in cache? I use my notebook primarily for gaming and any fps increase would be great. I was also looking at the t9800 but im not sure if i can afford it, i found one for about 350.

    Thank you in advance for your advice.


    Gateway P-7811FX
    CPU: 2.26GHz P8400
    GPU: NVIDIA GeForce 9800M GTS 512MB GDDR3 (OC to 700/950/1700)
    RAM: 4GB PC3-8500 DDR3
    HDD: RAID Seagate 200GB 7200RPM x2
    Screen: 17" WUXGA TFT Widescreen (1920 x 1200)
    OS: Vista Ultimate x64

  2. #2
    Join Date
    Dec 2008
    Location
    Australia
    Posts
    1,183

    Default Re: Upgrade from the p8400 to the t9400?

    Upgrading a laptop CPU?? I think you'd be just asking for trouble. BIOS may not support the new cpu or even the MB, what about cooling. Do you know how to pull apart your laptop and install the CPU?
    Lian Li PC-7F Chassis Black
    Gigabyte GA-X48-DS5 MB (Rev. 1.1 BIOS v.F8c)
    Gigabyte ODIN GT 800Watt PSU
    Intel Core2Quad Q9550 E0 @ 3.4Ghz @ 1.25vcore
    Noctua NH-U12P + AS5
    G.Skill 2X2GB F2-8500CL5D-4GBPK
    2 X ATI Radeon HD4850 512MB (Crossfired)
    Dell Ultrasharp 2209WA IPS
    2 X 1TB Seagate 7200.11 in RAID 1
    Pioneer DVR216 SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------
    Gigabyte Poseidon Chassis
    Gigabyte GA-EP45-DS3 (Rev. 1.0 BIOS v.F9)
    ASUS Artic Square CPU Cooling with AS5
    Thermaltake TR2 RX 550Watt PSU
    Intel Core2Duo E8500 E0 @ 3.8Ghz @ 1.25vcore
    Corsair 2 X 2Gb XMS2 PC6400C5 DDR2
    NVIDIA GeForce 8800GT 512MB
    1 X Seagate 1TB 7200.12 + Seagate 750GB 7211.11
    Sony SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------

  3. #3

    Default Re: Upgrade from the p8400 to the t9400?

    oh yea the p-7811 is by far the easiest laptop ive seen to upgrade, even the cpu. It supports all of the socket p processors except for any quad cores.

  4. #4
    Join Date
    May 2009
    Posts
    9

    Default Re: Upgrade from the p8400 to the t9400?

    Core 2 Duo P8400 is good processor,enough. Why are you want change it?

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