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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
(7 items)
 
NAS
(10 items)
 
CPUMotherboardGraphicsRAM
Intel i7 3930k @4.8-5.2 Asus Rampage IV Black Edition 3x R9-290 Corsair Dominator Platinum 16GB @1866C9 
Hard DriveHard DriveHard DriveCooling
Intel 750 400GB 2x Samsung 840 EVO 500GB (1TB) SanDisk Ultra II 960GB EK Rampage IV BE Water Block 
CoolingCoolingCoolingCooling
2x Swiftech D5 w/ EK Dual Pump Top XSPC EX480, EX360 & 2x Phobya 1080 EK Supremacy EVO CPU Block EK Advanced 250mL Res 
CoolingCoolingCoolingOS
Copper Tubing w/ push fittings 3x EK-FC R9-290X Lamptron FC-5V2 Windows 10 Pro 
MonitorKeyboardPowerCase
Samsung U28D590D 4K Leopold Otaku Corsair AX1200i Silverstone TJ07, heavily modified 
MouseMouse PadAudioAudio
Corsair M65 Corsair MM600 Sennheiser HD595 / HD428 / HD280 Corsair SP2500 
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Intel X25-M G2 80GB Dell 710 2.5" - Google Search Appliance Dell Perc H700 Raid Controller 
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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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