Will 2nd 6600GT give good performance increase

  [DELETED] 16:16 21 Apr 2006

A slightly different take on a question which seems to have cropped up quite a lot here..

I'm currently running a single 6600GT, I don't want to spend a great deal of cash, so will buying another and running them in SLI mode give me a noticable increase in performance, or will it be so negligable that it's worth saving up for a single higher spec card - 7800Gt for example.

system is

AMD 64 3500+
Asustek A8N-SLI deluxe
2 Gig RAM
Gigabyte Geforce 6600GT 128MB
120 Gig seagate barracuda HD

  [DELETED] 17:19 21 Apr 2006

Will a 2nd 6600GT boost your graphics performance?

Yes it will.......to around or slightly above a 6800Ultras performance.

You will be able to add atialiasing and AF at reasonable resolutions in all games with that.

On the other hand a 7800GT......actually you need the much improved and faster (and cheaper) 7900GT is significantly more powerful than 2x6600GTs....probably nearer 4x6600GTs (or 2x6800 Ultra)

It is worth updating your 6600GT by doubling up....definitely.But you wont be getting anywhere near the performance of the latest £200 plus cards.

If you are having serious gameplay problems with any games on your single card I would advise saving a bit more for a 7900GT but if gaming is not your absolute priority or if £200+ is too much you wont regret adding a second 6600GT.

  [DELETED] 14:19 22 Apr 2006

If you are going the sli route, then make sure that the games you play are optomised for sli, if they're not, it's not worth it.

  [DELETED] 16:32 22 Apr 2006

Have a look here click here in the majority of cases you get about a 60% increase in performance, more in some cases less in others the 6600GT is there as Is the 6600gt with SLI.

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