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How to upgrade from Ge9600 GT OC

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October 8, 2009 9:10:43 AM

I'm building a new gaming computer for my son. His computer contains a Gigabyte GA-P55M-UD4 P55 mobo, INTEL CORE I5 750 2.66G CPU & aftermarket cooler, 4 GB (2x2GB) of Mushkin DDR3 1600 RAM, Zumax ZU650W power supply and a single BFG GeForce 9600 GT OC for graphics.

So, I am wondering what's the best way to upgrade his graphics...in terms of cost, performance and re-usability of the 9600 card in another computer. My son is getting frame rates with his current single 9600 based system of around 75 to 80 FPS steady in Call of Duty 4, whereas my gaming computer can often get a steady 125 to 200 FPS in COD4 using two GTX 275 OC's SLI'd together in a system housing a 1000W PSU.

I've got a few questions pertaining to this situation...

1) Which is better performance wise...adding a second BFG GeForce 9600 GT OC and using SLI to combine them or replacing the 9600 altogether with a single EVGA GTX 275 OC? How much is the difference in real throughput? I know the difference in money to me is about $140 for an additional 9600 GT OC versus $260 for a GTX 275 OC.

2) I'm pretty sure the 650W power supply on my son's computer is more than adequate for a single GTX 275 OC, but if I were to go with a second 9600 instead, would his power supply handle this second graphics card adequately with the CPU he's using?

3) If I did replace the 9600 altogether with a GTX 275 OC, I'd like to put the 9600 in a Pentium 4 based Dell Dimension that has a 305W power supply and use it as a cheap gaming server that basically just needs enough graphics to run programs, but not run them at top speed. Would that power supply, although likely undersized, handle the 9600's load in addition to a single hard drive?

4) If the best choice is to replace my son's 9600 with a GTX 275, could I add the 9600 as a physics GPU in my computer, thus having (2) GTX 275's and a singel 9600? Would my 1000w Corsair PSU handle it? I assume the configuration would be the two 275s SLI'd together and the 9600 would sit in a standalone slot?

Any thoughts/suggestions greatly appreciated!

More about : upgrade ge9600

October 8, 2009 9:27:00 AM

75 to 80 FPS or even 125 to 200 is more than enough i dont see the reason to upgrade but if u have to ....
personaly i find its better to upgrade with 1 strong card than two weak ones. new tech is always better for a number off reasons.
the 305w is pushing it plus how old is it?
the 650 and the 1000w is fine
check out the 5850 ati cards they use little power and are very strong, it may kill 2 birds with one stone.

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Best solution

October 8, 2009 10:45:16 AM


I am trying to answer your queries one after another.

1) Which is better performance wise...adding a second BFG GeForce 9600 GT OC and using SLI to combine them or replacing the 9600 altogether with a single EVGA GTX 275 OC? How much is the difference in real throughput? I know the difference in money to me is about $140 for an additional 9600 GT OC versus $260 for a GTX 275 OC.

A: A single GTX 275 will definitely give better performace in comparison to Geforce 9600GT SLI. It will give about ~22% boost in performance. You can see some benchmarks:

http://www.techpowerup.com/reviews/Sapphire/HD_4730/13....
http://www.guru3d.com/article/geforce-gtx-275-review-te...

If you want to spend $120 more then go for GTX275.

2) I'm pretty sure the 650W power supply on my son's computer is more than adequate for a single GTX 275 OC, but if I were to go with a second 9600 instead, would his power supply handle this second graphics card adequately with the CPU he's using?

A: Yes, 650Watt power supply would be adequate for 2x9600GT. Is you PSU has 80+ rating? If you know the approximate wattage for your system PSU then this is the link:
http://www.msi.com/index.php?func=power

3) If I did replace the 9600 altogether with a GTX 275 OC, I'd like to put the 9600 in a Pentium 4 based Dell Dimension that has a 305W power supply and use it as a cheap gaming server that basically just needs enough graphics to run programs, but not run them at top speed. Would that power supply, although likely undersized, handle the 9600's load in addition to a single hard drive?

A: The recommended PSU for a 9600GT is 400Watt. I think it will choke the current PSU of Dell Dimension system. And I don't think 305Watt PSU could not give more than 70% throughput.

4) If the best choice is to replace my son's 9600 with a GTX 275, could I add the 9600 as a physics GPU in my computer, thus having (2) GTX 275's and a singel 9600? Would my 1000w Corsair PSU handle it? I assume the configuration would be the two 275s SLI'd together and the 9600 would sit in a standalone slot?

A: I would suggest to go to the link for the Wattage of the PSU:

http://www.msi.com/index.php?func=power

Could you please provide your System Configuration?

Hope this will help.


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October 8, 2009 11:52:16 AM


Sorry, I missed one thing. You can use 9600GT as a Physx card. Just you have to enable it as a physx card from nVIDIA control Panel.

Correction: I don't think 305 Watt PSU could give more than 70% throughput.
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a c 130 U Graphics card
October 8, 2009 12:02:41 PM

Best card for you is a 5850. Go for it.
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October 8, 2009 2:43:21 PM

Hi Enayet,

Great answer! It's pretty much what I expected. The single GTX 275 will probably beat the two 9600s SLI'd together by even more than 22% because I hear that using SLI has some loss (i.e. it's not 2x of one of the cards in performance).

Also, I used the calculator to see if my Dell Pentium 4 machine could handle the 9600 and it's just inadequate. The calculations suggest around 325w and I have 305w...and it's an older PSU. So, maybe it'll run, but just not well?

I hate to get another power supply just to give a salvage machine a chance to use the 9600 to run as a games server, but maybe it's worth just getting a "cheap-o" PSU new for that purpose. I'll look into what that costs. Most likely the best outcome would be to get a GTX275 for my son, get a cheap 400w or so PSU to put in the Pentium 4, toss the 9600 in the Pentium 4 machine and use that as a game server.

Thanks very much for the thorough response!
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October 8, 2009 5:04:23 PM

gwalschl said:
Hi Enayet,

Great answer! It's pretty much what I expected. The single GTX 275 will probably beat the two 9600s SLI'd together by even more than 22% because I hear that using SLI has some loss (i.e. it's not 2x of one of the cards in performance).

Also, I used the calculator to see if my Dell Pentium 4 machine could handle the 9600 and it's just inadequate. The calculations suggest around 325w and I have 305w...and it's an older PSU. So, maybe it'll run, but just not well?

I hate to get another power supply just to give a salvage machine a chance to use the 9600 to run as a games server, but maybe it's worth just getting a "cheap-o" PSU new for that purpose. I'll look into what that costs. Most likely the best outcome would be to get a GTX275 for my son, get a cheap 400w or so PSU to put in the Pentium 4, toss the 9600 in the Pentium 4 machine and use that as a game server.

Thanks very much for the thorough response!


It was my pleasure to help you.
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