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Thread: How much RAM for FSX?

  1. #1
    Charter Member 2012
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    How much RAM for FSX?

    2, 3 or 4 gig? I've read that 4 is not fully utilised that 2 is not enough and that 3 gig of ram is ideal for FSX...is this correct? I currently have 2 gigs of RAM and thinking of putting another 1 or 2 gigs of RAM in.

  2. #2
    Well, I think it depends on your OS. I have 6GB of RAM on a 64 bit system. The first 1.2GB are used just by the operating system, therefor with FSX running, it puts me over 4GB of usage at times. A conventional 32 bit system likely wouldn't have this problem.

    I do however recommend 4-6GB (and multiples of 3 if you are using an i7 system). I believe no less than 5GB for a 64bit OS.

  3. #3
    Charter Member 2012
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    OK thanks for that - I only have a 32 bit OS with Window XP home on a AMD 4400 2.3ghz dual core with a 1gb 9800GT GPU.

  4. #4
    Naki, for what it's worth I am running Vista 64 with FSX and 6GB of DDR3 and it's fast for me! No stutters and it is very smooth. I also have fps set at max which seemed to help alot. For me I played with the % of plane, auto and boat traffic and it made a huge difference for my set up.

    As far as how much memory? Who can say considering how many different setups are running FS9 and FSX. Sometimes two exact machines will run differently as I've been a witness to that.

    Personally, I would say 4 GB minimum.

    i7 920 @ 2.66 ghz
    Asus motherboard
    2 320GB Seagates in Raid 0,
    ATI 4850 512 MB,
    Creative sound card
    Logitech Z-5500

  5. #5
    Windows 7 64bit
    NVIDIA XFX 9800+ 512MB
    SOUND X-Fi Fatality
    3 HD (2 SATA2 + 1 IDE)
    Corsair 550W
    M3N-HT Deluxe mempip


    I was be used 5gb ram but this is be to much, so retired 1Gb

    and now with my 4GB RAM CORSAIR 800 nothing is different :mixedsmi:

  6. #6
    Charter Member 2011
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    I use XP-64 with 4 gigs and it runs find.
    John

    ***************************
    My first SIM was a Link Trainer. My last was a T-6 II


    Intel Quad Core Sandy Bridge 2600
    16 GB 1600 DDR3 RAM
    256 Intel SSD SATA 3 Drive
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  7. #7
    When I had my 4GB machine for 64 bit, it ran fine. I do recommend slightly more overhead however if you plan on doing anything else, like if you have a second monitor or have background programs running. Just my $0.02.

    Cheers and good luck.

  8. #8
    I still use XP Home 32 bit, so I am limited in the amount of RAM that I can use. I had been using 2GB (2 x 1GB DDR-800) and that was "ok", but I felt I could do better. RAM is cheap these days, so I purchased new memory, 2 x 2 GB DDR-800, so I would have 4 GB. My operating system reports seeing 3.5 GB and this is normal for a 32 bit OS. Moving from 2 GB up to 4 GB did not improve my frame rates, but it seems to have greatly reduced stutters. In short, I think if you are running a 32 bit operating system, then go ahead and install 4 GB of RAM, preferably two 2 GB sticks as that configuration uses less energy, generates less heat and usually runs slightly faster than four 1 GB sticks. If you have a 64 bit operating system, then you should not have anything less than 4 GB of RAM.
    My computer:Win XP 32 Home SP3, Q9650 @ 3.8 GHz, 4GB DDR2-800 RAM @ 845, Zotac Nv 8800GT-OC. Jul. 21,2011

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