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Worth upgrading an OC'd 2500k just for PCIe 3.0?

post #1 of 4
Thread Starter 
Hey whats up
I'm currently using a pice 3.0 compatible gpu (hd 7950) with my 2500k @4.7ghz
I'm currently in the process of upgrading to 760 SLI and I'm wondering if its worth the money to upgrade to like a 3770k just for the 3.0
The only reason I havent switched to Ivy bridge so far is because my sandybridge i5 chip is good and I have a nice high stable OC and the benches for the Ivybridge chips just didnt seem worthwhile to upgrade to at the time.

Also getting that same OC on an ivybridge chip would mean I'd probably need some water or a way nicer air cooler than my CM Evo, they seem to get pretty hot.

I don't think the i5 is anywhere near being a bottleneck in my system espeically for the 760 sli setup but I could be wrong?

Everything is sitting on a ASUS P8Z68-vPro/Gen3
I just got this memory kit today too, it screams http://www.newegg.com/Product/Product.aspx?Item=N82E16820231571

I have no interest in upgrading to haswell.
Edited by discoprince - 7/5/13 at 5:23pm
post #2 of 4
No
 
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Play Server
(9 items)
 
NAS
(11 items)
 
CPUCPUMotherboardRAM
Intel Xeon L5640 Intel Xeon L5640 Dell R710 Mobo Hynix 144GB DDR3 ECC PC3L-10600R 
Hard DrivePowerCaseOther
Intel X25-M G2 80GB Redundant 840W PSU Dell 710 2.5" - Google Search Appliance Dell Perc H700 Raid Controller 
Other
Dell iDRAC6 Enterprise 
CPUCPUMotherboardRAM
Intel Xeon E5-2670 v1 Intel Xeon E5-2670 v1 SuperMicro X9DRL-iF 64GB Kingston ECC (kvr16r11d4/16HA) 
Hard DriveHard DriveCoolingOS
12x 4TB HGST 5K4000 SanDisk SSD 960GB (cache) Scythe AP-29 FreeNAS 
PowerCaseOther
Corsair AX750 Norco RPC-4224 3x LSI 9211-8i (HBA) 
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post #3 of 4
It's less than a 5% change even with Titan SLI, so a 760 SLI setup isn't going to be limited by PCIe 2.0 in any meaningful way.
post #4 of 4
Not worth the change, especially since you are happy with your 2500k.

This guy is running a 2500k and a Titan:

http://www.overclock.net/t/1360884/official-top-30-unigine-valley-benchmark-1-0-fill-the-form/6370#post_20338388

He's fourth on the single gpu chart with his pci-e 2.0, the top three have pci-E 3.0. The scores are pretty close with each other, so it really doesn't make much difference between the two pci-E speeds.
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