Upgrading GT7600

I would like to help my son to upgrade his system on a small budget:

He would like to achieve better graphics performance (resolution, more fluent game)

Main use: 2nd tier games (not the very latest stuff)

System: GT7600 Asus V2M, Athlone 64 3800+, 1 GB DDR2-800, XP64, 420WPSU, Monitor:1680

Question: What is the most effective upgrade?

1. Are these VGAs okay to consider? -> HD6670/HD6770/others?
2. is spending any more wasted? i.e HD6850/HD6870?
3. What does a RAM-upgrade do? 1GB->2GB/4GB
4. Does the PSU need to be upgraded too?
5. He can get a HD5630 for very little money should he take it or is it or close to the current VGA?

Thanks for any suggestions
5 answers Last reply
More about upgrading gt7600
  1. The Radeon HD 5670 or HD 6670 would probably be the most I would upgrade to. The Athlon 64 3800+ is a single core CPU and will most likely bottleneck a faster card.

    Additionally, the motherboard is a bit old and assuming it has a PCI-e 1.0 slot, it will have no issues with a PCI-e 2.0 card. However, it some old motherboards with a PCI-e 1.0 slot can be incompatible with PCI-e 2.1 cards.

    There is a possibility that you may have a motherboard with the now obsolete AGP slot. Therefore, you need to find out exactly which version of the GeForce 7600 GT you have because PCI-e and AGP are not compatible with each other.

    Assuming you have a PCI-e 1.0 slot, then the safe bet would be to buy a PCI-e 2.0 Radeon HD 5670 for $63 after rebate.

    If you want to take the risk that a PCI-e 2.1 card may not be compatible with your motherboard, then you can buy a Radeon HD 6670 for $65 after rebate. It is about 10% faster than the HD 5670.

    If you have an AGP slot on the motherboards, then the best card you can buy is the Radeon HD 4670 for $99 after rebate. It is approximately 25% slower than the Radeon HD 5670.

    If $99 is too much money, then you can buy the slower Radeon HD 4650 for $80. It is about 25% - 30% slower than the Radeon HD 4670.
  2. Thanks very much,

    You are right - the board has got a PCI-E 16 v1.0

    Any thoughts on the benefit of more RAM with the above VGA cards?
  3. I would go for 5670 or HD 6670 as well.
    +1 to jaguarskx
  4. You should upgrade to at least 2GB of RAM. Upgrading to 4GB would be better since some games can use as much as 1.6GB of RAM after a while because of memory leaks. Which leaves very little for the operating system. However, if you have a 32-bit operation system like Win XP or 32-bit versions of Win Vista or Win 7, then the operating system will only recognize around 3.25GB - 3.5GB of RAM.
  5. Thanks guys,

    I think that's what we'll do:
    get a PCI e 2.0 HD 5670 plus upgrade to 4GB - everything else will call for a newer board
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