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PCI 3.0 Won't Work With Sandy? - Page 3

post #21 of 29
Quote:
Originally Posted by ohcysp67 View Post

OK I apologize i should of clarified some things that i left out in my previous post. The recommendation i was giving and the link i provided did show that x16 is slightly better and I am aware that 3.0 is better than 2.0. After reading through the posts you used I understand that the 680 would get about a 4fps performance boost. HOWEVER, he was asking about x16 3.0 which would require him to upgrade not only his cpu but also his board. I simply did not think it was worth a 500$ upgrade to gain 4 average fps.

That is not correct. If you read the OPs post he talks about wanting both his GPUs to run in PCIe 3.0 (listed as two GTX 680s in his rig) and asks about 16x16 in SLI.

The difference you quote from the post above yours only tells the story comparing one card at PCIEe 3.0 16x versus PCIe 2.0 16x , and not SLI, like the posts I quoted in my post.
Edited by tpi2007 - 4/9/12 at 10:32am
 
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post #22 of 29
Thread Starter 
Quote:
That is not correct. If you read the OPs post he talks about wanting both his GPUs to run in PCIe 3.0 (listed as two GTX 680s in his rig) and asks about 16x16 in SLI.

The difference you quote from the post above yours only tells the story comparing one card at PCIEe 3.0 16x versus PCIe 2.0 16x , and not SLI, like the posts I quoted in my post.

Essentially, this is correct. I want 16x16 and PCI 3.0, which I now realize I will need the EVGA Z77 FTW and IB chip. I was hoping I could stick with SB, but this wont happen now.

I will end up buying a new IB chip, but not sure how quickly. I want a board that does 16x16 PCI 3.0, but I don't know which models (if any) will support this setup. I think FTW will and I'm guessing when the specs for the Asus Maximus are out that board might too.
post #23 of 29
Quote:
Originally Posted by Humafold View Post

Quote:
That is not correct. If you read the OPs post he talks about wanting both his GPUs to run in PCIe 3.0 (listed as two GTX 680s in his rig) and asks about 16x16 in SLI.
The difference you quote from the post above yours only tells the story comparing one card at PCIEe 3.0 16x versus PCIe 2.0 16x , and not SLI, like the posts I quoted in my post.
Essentially, this is correct. I want 16x16 and PCI 3.0, which I now realize I will need the EVGA Z77 FTW and IB chip. I was hoping I could stick with SB, but this wont happen now.
I will end up buying a new IB chip, but not sure how quickly. I want a board that does 16x16 PCI 3.0, but I don't know which models (if any) will support this setup. I think FTW will and I'm guessing when the specs for the Asus Maximus are out that board might too.

If you want 16x16 PCIe 3.0 in SLI with Ivy Bridge you'll have to buy a motherboard that has a PLX PEX 8747 bridge chip that gives you additional PCIe lanes. Those motherboards will be more expensive, at which point you can choose to go SB-E right now as those chips have 40 PCIe 3.0 lanes. You can buy a Core i7 3820 which is selling for less than the 2600K. True, the motherboards are more expensive, but you do get to use RAM in a quad channel configuration, plus the motherboards are better quality, and all come standard with Intel LAN instead of Realtek.

You also get the upgrade path not only to the currently available six core chips, but also future IB-E chips, which may even include eight core CPUs.
Edited by tpi2007 - 4/10/12 at 10:16am
 
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post #24 of 29
Thread Starter 
Quote:
If you want 16x16 in SLI with Ivy Bridge you'll have to buy a motherboard that has a Nvidia NF200 PCIe chip that gives you additional PCIe lanes. Those motherboards will be more expensive, at which point you can choose to go SB-E right now as those chips have 40 PCIe 3.0 lanes. You can buy a Core i7 3820 which is selling for less than the 2600K. True, the motherboards are more expensive, but you do get to use RAM in a quad channel configuration, plus the motherboards are better quality, and all come standard with Intel LAN instead of Realtek.

The only way to get 16x16 is with a 6-core SB-E or IB-E (guessing) correct?

Even the IB 3770k won't do 16x16 because it won't have enough lanes. The only way I'm getting 16x16 is with 2011 and a hexa-core I think. This is after reading a few more blogs.

If this is the case I can always give my brother my current board / chip and go SB-E and get a rock solid 2011 board. In this scenario, if I wanted, I could later upgrade to a IB-E and it will use 2011 right?
post #25 of 29
Quote:
Originally Posted by Humafold View Post

Quote:
If you want 16x16 in SLI with Ivy Bridge you'll have to buy a motherboard that has a Nvidia NF200 PCIe chip that gives you additional PCIe lanes. Those motherboards will be more expensive, at which point you can choose to go SB-E right now as those chips have 40 PCIe 3.0 lanes. You can buy a Core i7 3820 which is selling for less than the 2600K. True, the motherboards are more expensive, but you do get to use RAM in a quad channel configuration, plus the motherboards are better quality, and all come standard with Intel LAN instead of Realtek.
The only way to get 16x16 is with a 6-core SB-E or IB-E (guessing) correct?
Even the IB 3770k won't do 16x16 because it won't have enough lanes. The only way I'm getting 16x16 is with 2011 and a hexa-core I think. This is after reading a few more blogs.
If this is the case I can always give my brother my current board / chip and go SB-E and get a rock solid 2011 board. In this scenario, if I wanted, I could later upgrade to a IB-E and it will use 2011 right?

You missed the part of my post where I talk about the Core i7 3820. It's a quad core chip for the 2011 socket and it is currently selling for less than the 2600K. It has a partially unlocked multiplier of 43x, but the X79 platform has BCLK multipliers, so you can use them to overclock the chip further. People here on OCN have been able to overclock them as well as the 2600K, up to and beyond 5 Ghz.
 
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post #26 of 29
Thread Starter 
Quote:
You missed the part of my post where I talk about the Core i7 3820. It's a quad core chip for the 2011 socket and it is currently selling for less than the 2600K. It has a partially unlocked multiplier of 43x, but the X79 platform has BCLK multipliers, so you can use them to overclock the chip. People here on OCN have been ableto overclock them as well as the 2600K, up to and beyond 5 Ghz.

This is really good news. thumb.gif

I can buy a 3820 and 2011 board and then wait for IB-E to come out and just upgrade chip. This seems to make the most sense to me at the moment. Either that or get the Open Box EVGA 3930k / FTW combo, but I have no use for 6 cores and trying ti dissipate that heat.
post #27 of 29
Quote:
Originally Posted by Humafold View Post

Quote:
You missed the part of my post where I talk about the Core i7 3820. It's a quad core chip for the 2011 socket and it is currently selling for less than the 2600K. It has a partially unlocked multiplier of 43x, but the X79 platform has BCLK multipliers, so you can use them to overclock the chip. People here on OCN have been ableto overclock them as well as the 2600K, up to and beyond 5 Ghz.
This is really good news. thumb.gif
I can buy a 3820 and 2011 board and then wait for IB-E to come out and just upgrade chip. This seems to make the most sense to me at the moment. Either that or get the Open Box EVGA 3930k / FTW combo, but I have no use for 6 cores and trying ti dissipate that heat.



Exactly! I bought one too and will be upgrading my rig in the next few hours. If you need more information, head over to the i7 3820 overclock thread, which acts like an owners club.
Edited by tpi2007 - 4/9/12 at 2:38pm
 
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post #28 of 29
I agree for what you want go with a sb-e board with pci-e 3.0 support. I would of recommended that option but was unaware that the prices had fallen. Sorry I seemed to spark a powderkeg here lol
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post #29 of 29
Thread Starter 
Quote:
I agree for what you want go with a sb-e board with pci-e 3.0 support. I would of recommended that option but was unaware that the prices had fallen. Sorry I seemed to spark a powderkeg here lol

No worries. Your advice was greatly appreciated. wink.gif
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