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  #11 (permalink)  
Old January 19, 2011, 01:41 AM
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You're spot on about which platform is better for SLI gaming. We had a discussion about it with some good links/ref.

2011 And Still Sharing Lanes?

1KW would have been sufficient had this been i7 950, but a high quality 850W such as Seasonic X Series is enough for i7 2600k/ GTX570SLI with overclocking.
If you're choosing the UD7 for 16x16 lane sharing and spacing between the PCI-E slots, then Sugar J has it right with the NF200 chip, and the Asrock Extreme4 can be a good and cheap alternative.

ASRock Extreme4 P67 and Fatal1ty Professional P67 vs X58 with Core i7-950 Review - Introduction
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  #12 (permalink)  
Old January 19, 2011, 04:46 AM
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My last concern is about video cards. I tend to lean towards nVidia-based cards simply because their drivers are easy to use. Currently I'm using an XFX HD5870 and I haven't messed around with any of the settings in CCC because it just isn't easy to use. The price difference between a GTX 570 and 580 isn't worth it to me when I see the performance difference, plus the 570 runs cooler and uses less power, but I haven't really considered any AMD alternatives. I've seen that the XFX HD6850 Dual Fan cards (XFX HD-685X-ZDFC Radeon HD 6850) in crossfire will substantially outperform a single GTX 570 for just a little bit more money. In any case my goal is to spend between $400-450 on the video cards. If the performance for the price range puts me at an AMD solution then I don't mind learning how to tweak the drivers. Any suggestions?

P.S. Or maybe even go back to GTX 460/480 in 2-way SLI? Or possibly a single AMD card?

Last edited by Dreamsickle; January 19, 2011 at 08:04 AM.
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Old January 19, 2011, 04:55 AM
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Quote:
Originally Posted by matsta31 View Post
It is a great PSU altough mine has a high pitch noise when I turn the rig off. If I want to stop it, I need to unplug it and tap the power button to completly silence it.
This seems to be a problem with this psu (AX1200)
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Old January 19, 2011, 08:11 AM
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Quote:
Originally Posted by Dreamsickle View Post
In any case my goal is to spend between $400-450 on the video cards.
If your gaming on a 1080 display, one of these: HD6970, HD6950, GTX 570. 570 has more muscle power, but is limited in memory so if you plan to buy a higher resolution monitor, you will be better off with AMD as Nvidia's cards take a big performance hit.

If you want to add another high end card later, then you will need to upgrade your display as well.

Other option that performs better are two of these: HD6870, HD6850, GTX 460. Drawback is you will hit a performance ceiling as they aren't upgradeable and they generate more heat and noise. They all perform in the same range except in DX11 games, where AMD performs better but that's because they are newer. I suspect the mid-end card market will change in 6 days when the GTX560 comes out.
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Old January 19, 2011, 09:09 AM
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I disagree. There are plenty of tests out there that show SB is on par or outperforms x58 in SLI w/ nf200. In theory it shouldnt but they tests say otherwise. Could be better pci-e controller w/ SB or something, who knows. Take a look here:

Ultimate Sandy Bridge OC Guide + P67A-UD7 Performance Review

and here:

MSI P67A GD65 + 2600K full test and comparision with X58/I7

Quote:
Originally Posted by SugarJ View Post
Sorry, I'll disagree with the SB proponents. The only way you can get a 2 PCI-E2.0 x16 slots with a P67 chipset is with a NF200 chip on board (like the Gigabyte model you mentioned), which has proven to decrease performance slightly. It introduces a bit of overhead when it splits the lanes.

Because you are looking at SLI'd 570's and are looking for the absolute maximum graphics horsepower/bandwidth you can get, I think you are making the right choice sticking with an X58 platform if you are building now.

To be clear, for any single graphics card builds, I'd absolutely look at P67 boards. For dual cards (or more), stick to X58 for now.
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Old January 19, 2011, 09:57 AM
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I'll do some reading Eldonko, I hadn't seen those particular write-ups yet.

Edit: Did the reading. I don't like the comparisons. Stock clocked 930 (2.8 Ghz) vs Stock clocked 2600K (3.4). OC'd to 4.2 and 5.1 respectively. If you want a true comparison to check the architecture, then I think you should use identically clocked processors. I'll reserve judgement for now.

Sorry for the thread derail OP. You'll find we do that here sometimes.

Last edited by SugarJ; January 19, 2011 at 10:06 AM.
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Old January 19, 2011, 01:49 PM
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with your build ASUS Sabertooth P67 is one of the best choices,
saves you money over ud7 and offers ud7 class performance,
though its lanes are x16 or dual x8 you won't notice any difference over dual x16
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Old January 20, 2011, 01:27 AM
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If I were to get an Asus board, I'd go with one of the P8P67's. I don't buy that thermal armor stuff. Plus I forsee it having an array of compatibility issues as far as mounting hardware and case issues. It seems a completely unnecessary feature, especially considering that I will be using a Noctua NH-C14 cooler. I've had great success with Gigabyte boards in the past and I don't mind paying extra for something I know I won't have to RMA immediately and has a good warranty.

My main concern right now is what I should go with as far as a video card setup. The GTX 560 is coming along shortly I believe and depending on its price point I might be able to go with either 2-way GTX 560s in SLI, 2-way HD6850s in CrossFireX, a single GTX 570, or another single AMD card that might out perform these other options for around $400-450. I've also read that a single OC HD6970 will outperform 2-way HD6850s in CrossFireX.

P.S. Also seen tests showing HD5870s in CrossFireX doing exceptionally well. With so many options it's hard to choose since there doesn't seem to be a clear winner.

Last edited by Dreamsickle; January 20, 2011 at 04:04 AM.
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Old January 20, 2011, 07:42 AM
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Quote:
Originally Posted by Dreamsickle View Post
My main concern right now is what I should go with as far as a video card setup. The GTX 560 is coming along shortly I believe and depending on its price point I might be able to go with either 2-way GTX 560s in SLI, 2-way HD6850s in CrossFireX, a single GTX 570, or another single AMD card that might out perform these other options for around $400-450. I've also read that a single OC HD6970 will outperform 2-way HD6850s in CrossFireX.

P.S. Also seen tests showing HD5870s in CrossFireX doing exceptionally well. With so many options it's hard to choose since there doesn't seem to be a clear winner.
It just depends on what is important to you.

the non 6900 series GPUs from ATI are for people who want low temperature/power consumption, 2560x1600 resolution also favours ATI in most cases.

Setting any AA usually favours Nvidia, some people like the PhysX/CUDA technologies in nvidia, others will want the extra tessellation performance (which is still open for debate as only future games will see if that extra power is used).

*mostly the prices are very competitive for each performance category, so it's mostly either picking the features you want. There are some cases where prices will make up your mind, but just keep in mind the 'general' performance matching when looking (dx 11 cards only):

GTX 580 > GTX 470 = HD 6970 > HD 6950 = 5870 > GTX 470 = HD 6870 = HD 5850 > GTX 460 1GB = HD 6850.

I personally would stay away from the 58xx series as they aren't really as good at dx 11 features as the other cards they match. For crossfire/SLI setups, I'd check out some benchmarks online from 2 different sites to see how well they scale in most of the games you are thinking of. The 6950 Crossfire is a pretty damn powerful option for only $570. In terms of price/fps, (ignoring the lowest 2 GPUs on my list) the 6870 CF solution will offer you the best bang for your buck. The GTX 470 SLI solution comes in second for price/performance. If I had calculated the 460/6850 options, I'm pretty sure they would be in 1st place, but then you're effectively running a GTX 580 at the price of a HD 6970 with the 'fun' of multi-GPU scaling.
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Old January 20, 2011, 08:06 AM
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If you have the budget, are going SLI and considering SB then it may be a good idea to spend that few extra $$ and get NF200. Maximus IV Extreme, Sabretooth, UD7, etc. 2.5 times the lanes with nf200 and PX chip.
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