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Trying to find out about video lanes

Tags:
  • Graphics Cards
  • Gtx
  • Video
  • SLI
  • Graphics
Last response: in Graphics Cards
January 1, 2011 2:57:24 AM

For the hardcore gamer dose sli really matter that much if you have a gtx 580 oc? If soo 8 by 8 is that enough or should you only do it if you got a board with 16 by 16? Is there any where that talks about this?

More about : find video lanes

a c 214 U Graphics card
January 1, 2011 4:38:07 AM

Sli really depends on which cards you want to sli.You don't normally see people sli'ing a 580 because it is power enough as a single card.But sli'ing it would increase performance,if anyone has enough money to sli a 580 then they will usually have a mobo with multiple x16 lanes.

Most mobos run x8/x8 or even x4/x4.Usually it will be the high end mobos that will run x16/x16.But x8/x8 is still considered good.
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January 1, 2011 6:58:34 AM

i have only found 8/8 on the new intel p67 boards and thats there high end from what i have seen. amd dosen't sli yet soo no more amd chips.
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a b U Graphics card
January 1, 2011 5:35:17 PM

If you are building a rig that would use SLI from the start, you probably have the budget to get an X58 board that supports x16/x16 SLI. If you just want to have SLI as a possible upgrade path for the future, X8/x8 is probably more than enough. I haven't seen recent benchmarks, but the performance difference between x8 and x16 for SLI used to be 5% at most (which doesn't warrant spending 100$+ on higher-end platform IMO).

There are plenty of boards supporting x8/x8, check for P55 boards. P67 is for the upcoming Sandy Bridge CPU which uses a different socket (LGA1155), most website probably don't even sell those yet.
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January 1, 2011 5:59:13 PM

If i go intel Its either core i7-950 or corei7-2600k Only thing i dont like about the sandy is the 8/8 lanes but will see what asus brings out.
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a b U Graphics card
January 1, 2011 6:57:35 PM

smokeymicpot42 said:
If i go intel Its either core i7-950 or corei7-2600k Only thing i dont like about the sandy is the 8/8 lanes but will see what asus brings out.
I found a rather recent article comparing x8/x8 to x16/x16 in SLI for you here. The verdict: no performance difference at all unless you go at a resolution above 2560x1600 and even then the difference is ~6% for three 1920x1200 display (5760x1200 total :p ).

I would also like to point-out that for gaming, getting a CPU that is "upper mid-range" instead of "lower high-end" is often an easy way to save $$$ that can be invested elsewhere in the build (or kept in the bank for future upgrades) without any noticeable gaming performance.
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January 2, 2011 5:48:26 PM

thank you for the info and i like the new specs of the sandy chip more and more i find out about it
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