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Need Help On Deciding On A New Graphics Card

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December 30, 2008 6:11:35 PM

Hello all I am putting togther a new system my specs so far are. I do plan on using either SLI or Crossfire down the line but not for a while my question is should I go for a Radeon HD 4870 or a GeForce GTX 260 Core 216 Superclocked Edition. I am running a 24" monitor at 1920x1200 I am just wondering what would be better for me

E8400
G.SKILL 4GB DDR2 800
I am also deciding on a (EVGA 750i SLI Motherboard) or a (ASUS P5Q-E Motherboard)


I do plan on using either SLI or Crossfire down the line but not for a while my question is should I go for a Radeon HD 4870 or a GeForce GTX 260 Core 216 Superclocked Edition. I am running a 24" monitor at 1920x1200 I am just wondering what would be better for me the power supply I have right now is a Hyper Type R 580 Watt power supply I do know I have to upgrade later to a high wattage power supply if I plan on running Crossfire or SLI but I don't know when that will be but I do plan on doing it. Thanks for any help in advance.

*edit*

Anybody out there....?

More about : deciding graphics card

December 30, 2008 7:43:52 PM

Well a couple things to consider:

1. If the motherboard is the EVGA 750i FTW, it will give you 16x 16x bandwidth in SLi.

2. If the motherboard is EVGA 750i is only 8x 8x.

3. P5Q-E is only 8x 8x in Crossfire mode.

4. If you are considering the HD4870 make sure it is the 1gig model.

We're not talking alot, but more like 5% - 20% loss in real world performance.

Link for testing done: http://www.tweaktown.com/articles/1472/7/page_7_benchma...
a c 143 U Graphics card
December 30, 2008 8:18:22 PM

Your PSU has 30A on the 12V circuit. That's enough for HD 4870 Crossfire, but not for GTX 260 Core 216 SLI.

Intel's P45 is a better chipset than nVidia's 750i, which is another point in favor of the HD 4870.

Look at these two benchmarks now. Think HD 4870 1GB Crossfire instead of HD 4870 X2, since they don't have the Crossfire there.
http://www.anandtech.com/video/showdoc.aspx?i=3415&p=3
http://www.anandtech.com/video/showdoc.aspx?i=3415&p=4

A single HD 4870 1GB beats a single GTX 260 Core 216 in both Age of Conan and Crysis at 1920x1200. The HD 4870 Crossfire beats the GTX 260 SLI in Age of Conan but loses in Crysis.

In conclusion, if you are absolutely sure you will add a second card, you should probably find more benchmarks and decide depending on your favorite games. If they favor SLI get the GTX 260 and 750i. If not, get the HD 4870 1GB and P45. If you're not sure you will add that second card, get the HD 4870 1GB/P45 because it's a bit faster and the MB is a bit more stable.





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December 30, 2008 8:24:54 PM

See yeah now I am freaking out because I knew I would eventually have to get a much better PSU which is something I think I need to do first now I was originally set on crossfire system but my problem is I keep bouncing around between Crossfire and ATI I do plan on playing Age of Conan and a few other games. So whats the difference between the 8x 8x on the P45 and the 16x 16x because that was one of the reasons I went from wanting Crossfire to SLI I know the 4870 is a really good card which is what pretty much sold me on the Crossfire system in the first place that and the HD 4850 as well I had heard that Crossfire systems work better with the HD 4850 and the HD 4870 in 1920x1200 is that true at all.?

Also the card that I was going to get for the Crossfire system was the HIS 4870 is this a good card I read about it needing to have the fan on it turned up more which isn't a big deal to me.

*edit*

Yeah that's another thing that settled me on the e8400 which I have already baught and its on its way now it can overclock really nicely which I think I intend to do so would I notice any major difference between the 8x 8x on the p45 compaired to the 16x 16x on the 750ftw.?
a b U Graphics card
December 30, 2008 8:38:21 PM

If you intend to overclock, or OC'ing your CPU is important to you, you'll likely have better results with the Intel P45 board. So kudos to aevm on notating the better stability there. :) 
a b U Graphics card
December 30, 2008 8:40:44 PM

The 8x 8x boards allow for an "8x" bandwidth per video card when you enable Crossfire / SLI. The standard PCI-E slot when run with a single card is 16x speed.

Some boards have double 16x slots, so both cards can run 16x when in Crossfire / SLI.

16x / 16x is better as it lets the video cards communicate with the motherboard more quickly. 8x / 8x will somewhat limit bandwidth for communicating (thereby you won't reach maximum potential of your SLI or Crossfire setup.
December 30, 2008 8:44:49 PM

jerreece said:
The 8x 8x boards allow for an "8x" bandwidth per video card when you enable Crossfire / SLI. The standard PCI-E slot when run with a single card is 16x speed.

Some boards have double 16x slots, so both cards can run 16x when in Crossfire / SLI.

16x / 16x is better as it lets the video cards communicate with the motherboard more quickly. 8x / 8x will somewhat limit bandwidth for communicating (thereby you won't reach maximum potential of your SLI or Crossfire setup.


Holy crap I gave you a thumbs down on accident I ment to quote you sorry noob mistake is there anyway to fix that .?


Anyway yeah is their a better motherboard that does do the 16x 16x for Crossfire I can afford around $120 to around $140 for the motherboard.?
December 30, 2008 8:52:52 PM

AssassianZero said:



Anyway yeah is their a better motherboard that does do the 16x 16x for Crossfire I can afford around $120 to around $140 for the motherboard.?


No, there isn't.
December 30, 2008 8:55:32 PM

Noya said:
No, there isn't.


No there isn't such thing as a 16x 16x crossfire board or not for around my price range.?

I have been looking around seriously is there such thing as a 16x 16x crossfire board.?

Nevermind

There are the x48 is a 16x 16x board.
December 30, 2008 9:09:36 PM

Well this has given me alot to think about now that I have the info thanks alot all.
December 30, 2008 9:53:34 PM

One more quick question could I use my power supply (Hyper Type R 580 Watt) with a EVGA GeForce 9800 GTX+.?
a c 143 U Graphics card
December 31, 2008 12:27:19 AM

A P45 motherboard or a 750i motherboard will drop to 8x+8x when used with two video cards. If you want full 16x+16x, you need the more expensive X48 (or X38) or 780i. That's usually $100 more, no benefit at all with a single card, about 10% more fps with two cards compared to a P45/750i with the same two cards.

Here's an article showing P45 vs X48 with HD 4850 cards. The same applies IMO, even in larger measure, for HD 4870 cards on a P45 or GTX 260 cards on a 750i.
http://www.tweaktown.com/articles/1472/intel_p45_vs_x48_crossfire_performance/index.html

Then there's the X58, but that costs $250 or more for the MB, needs DDR3, etc. There's also the AMD version, with 790FX motherboards (usually $150 or more) running CRossfire at 16x+16x. Of course, the E8400 won't work in either X58 or 790FX.

Yes your Hiper 580W can handle a 9800GTX+ card.
December 31, 2008 12:52:02 AM

Wow I am glad I am finding out about this now your alot of help. What would be a decent motherboard for just a single gtx 260 that can still use my e8400.?
a c 143 U Graphics card
December 31, 2008 1:00:28 AM

The eVGA 750i and the P5Q-E can do that. Then there are cheaper boards like Asus P5Q Pro or GA-EP45-UD3R.

This may sound stupid, but it actually makes sense sometimes to get an Nvidia card with a Crossfire motherboard. That is, GTX 260 combined with P5Q Pro or P5Q-E or GA-EP45-UD3P. You can't do SLI that way, but you can add a second cheap card (8400GS or whatever) and use it to feed a third or even 4th monitor. With LCD prices dropping, that may become tempting for many people in 2009.
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