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Should I change my motherboard?

Last response: in Motherboards
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July 29, 2013 7:04:15 PM

So I am planning on buying this new graphics card http://www.newegg.com/Product/Product.aspx?Item=N82E168... now my question is:
Should I upgrade my MOBO from one that currently has one PCI-e x16 slot to one that has PCI-e 3.0 x16 to get the most out of the graphics card or does it not really boost up performance much?

Oh and does a more powerful MOBO require more PSU?
Thank you in advance :D 

PS. Any info you need just ask

More about : change motherboard

a b U Graphics card
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July 29, 2013 7:14:34 PM

The choice of motherboard is nearly inconsequential as far as PSU choice goes.

The PCIe x16 slot on LGA1150/1155 is driven directly by the CPU so you need an Ivy Bridge i5/i7 for PCIe 3.0 support. Most Sandy Bridge motherboards that are BIOS-upgrade compatible with Ivy Bridge also support PCIe 3.0 with an IB i5/i7 installed.

If you have a Sandy Bridge LGA1155 (non-E) CPU, you CANNOT have PCIe 3.0 on any motherboard.
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July 29, 2013 7:25:08 PM

InvalidError said:
The choice of motherboard is nearly inconsequential as far as PSU choice goes.

The PCIe x16 slot on LGA1150/1155 is driven directly by the CPU so you need an Ivy Bridge i5/i7 for PCIe 3.0 support. Most Sandy Bridge motherboards that are BIOS-upgrade compatible with Ivy Bridge also support PCIe 3.0 with an IB i5/i7 installed.

If you have a Sandy Bridge LGA1155 (non-E) CPU, you CANNOT have PCIe 3.0 on any motherboard.

Okay so correct me if I'm wrong (fairly new at PC's) I would need to also get a new processor in order for it to be compatible with a PCIe 3.0 motherboard?

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a b U Graphics card
a b V Motherboard
July 29, 2013 8:29:15 PM

furgil said:
Okay so correct me if I'm wrong (fairly new at PC's) I would need to also get a new processor in order for it to be compatible with a PCIe 3.0 motherboard?

I'm not sure about AMD but on the Intel side of the fence, the main PCIe controller is in the CPU so the CPU pretty much dictates whether or not your motherboard can have PCIe 3.0.

In any case, very few games will show a meaningful performance improvement from going from x16 2.0 to x16 3.0 so you shouldn't lose sleep over that.
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July 29, 2013 9:02:27 PM

InvalidError said:
furgil said:
Okay so correct me if I'm wrong (fairly new at PC's) I would need to also get a new processor in order for it to be compatible with a PCIe 3.0 motherboard?

I'm not sure about AMD but on the Intel side of the fence, the main PCIe controller is in the CPU so the CPU pretty much dictates whether or not your motherboard can have PCIe 3.0.

In any case, very few games will show a meaningful performance improvement from going from x16 2.0 to x16 3.0 so you shouldn't lose sleep over that.

Thanks for the answer but is there a significant difference between plain old PCIe x16 and 3.0? And how powerful does my CPU have to be so my MOBO can run 3.0?

Oh and I have Intel (Inspiron 530s)


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Best solution

a b U Graphics card
a b V Motherboard
July 29, 2013 9:14:49 PM

With a 1.8GHz Core2Duo, the CPU is nowhere near fast enough to push enough data through the PCIe slot to worry about which version of PCIe you are using.

As I already said earlier, you need at least an Ivy Bridge i5 (i5-3xxx) to use PCIe 3.0... so if you are going to upgrade the CPU and motherboard, you would be looking for something like the i5-4570.
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July 29, 2013 9:42:52 PM

InvalidError said:
With a 1.8GHz Core2Duo, the CPU is nowhere near fast enough to push enough data through the PCIe slot to worry about which version of PCIe you are using.

As I already said earlier, you need at least an Ivy Bridge i5 (i5-3xxx) to use PCIe 3.0... so if you are going to upgrade the CPU and motherboard, you would be looking for something like the i5-4570.

Okay thanks for the help and advice.

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