Phenom II X4 965 bottlenecks GTX 760?

Newtorfer · Oct 6, 2013

I recently got a GTX 760 in replacement of my 6670, but i was wondering if my cpu was bottlenecking? I dont have it overclocked, its at its stock 3.4 ghz. My while build is:
AMD Phenom II X4 965
GTX 760
ASUS M4N68T-M V2 mobo
8 gigs single channel crucial ram
Seasonic 620 w psu
Good cooling, no components over 50 c

rolli59 · Oct 6, 2013

It will at stock clocks but if you overclock a little it should be fine. Even at stock the bottleneck is nothing that is going to hurt and it still will perform better than a GTX660.

Nitro192 · Oct 7, 2013

I had the FX 6300 and even it bottlenecked my GTX 760 according to my benchmarks. I didnt see my 760 perform at top notch until i swapped my cpu. Although my 6300 was barely a bottleneck at all my Quad core AMD Athlon II before that was a huge one and yours is kind of in between.

Avro Arrow · Oct 7, 2013

The difference between the Athlon II X4 and the Phenom II X4 is really only L3 cache. Other than that, they have the same Deneb architecture. The cheapest way to make a Phenom II X4 eliminate any bottlenecks only costs $50. Get a liquid cooling system and overclock it to the moon. Problem solved. Remember that a Phenom II X4 CPU was overclocked to 8GHz. Granted, it was with liquid helium but it just shows you that it can overclock like mad and still work just fine. It is a very robust architecture.

timil · Oct 7, 2013

depends on the game really. in a game like starcraft2 or battlefield, it will be a small, maybe almost moderate bottleneck but nothing extreme.

Avro Arrow :

unfortunately I have the c2 revision phenom II, which requires 1.5v to stay stable at 3.6ghz. what a dogroll of a chip.

Newtorfer · Oct 7, 2013

czar357 :

When I try to overclock it to 3.8 I get a bsod on startup? Also my voltages are locked, like I can't change the value of them. Any help here?

rolli59 · Oct 7, 2013

What cooler do you have and do one step at a time that is start with 3.5 then 3.6 and so on.

logainofhades · Oct 7, 2013

An overclock would help you out a good deal. I would add another 8gb of ram to your system and take advantage of dual channel. That will hurt your performance a bit being in single channel.

Newtorfer · Oct 7, 2013

rolli59 :

Corsair H50. And raising in it increments does help the BSOD on startup, thanks.

Newtorfer · Oct 7, 2013

logainofhades :

My mobo can only take 8 maximum, I only realized this after the return policy from Newegg expired. Otherwise I would have gotten 2x 4 GB.

Newtorfer · Oct 7, 2013

czar357 :

Ok. I put everything to default settings and saw that it ran at 1.464 V on the Auto setting with the clock speeds at Auto as well. I kept putting it up, and I didn't really pay attention to the voltage. I got it up to 3.8 with leaving the voltage on Auto. It didn't bsod on startup, but the second I ran Prime95 it BSOD'd. Any help here? Again i didnt pay attention to the voltages post-overclocking, but I assume its the same?

rolli59 · Oct 7, 2013

What speed is the ram running? worth a try to lower it a notch if CPU becomes stable.

Newtorfer · Oct 8, 2013

NB Frequency is 2009 MHz and DRAM is 669.7

Newtorfer · Oct 8, 2013

I got HWMonitor. My ram speeds are 2009 MHz for the NB and 669.7 for the DRAM

Newtorfer · Oct 8, 2013

czar357 :

Yeah it's 1333. However, i just adjusted the voltage to just under 1.5v and oc'd the CPU 3.8. Gonna test it now.

Newtorfer · Oct 8, 2013

czar357 :

I put the voltage to right under 1.5 and set it to 3.8. My system was crazy unstable, I got a BSOD on startup, then I got a BSOD the second I clicked the Burn test. I didn't touch the ram though. Right now I have the voltage on Auto (1.464) and I have it oc'd +200 mhz to 3.6. Completely stable system, but I feel like I could overclock it more than just 200 mhz.

Newtorfer · Oct 10, 2013

czar357 :

Newtorfer :

If you BSOD on startup there is no point in even booting at that speed to check stability. Im willing to bet you could. My main concern is that your motherboard simply cant handle it. I have never overclocked on a cheap motherboard for that reason. 1.5 may be too high a voltage for it. Give these settings a shot. They are what I ran at. Voltage 1.464(set it manually though), CPU Bus speed 200, CPU multiplier 19, memory set at factory settings(ie set the 4 timings, voltage and the frequency manually)

How do i set the ram timings and what should i set it to?

Newtorfer · Oct 12, 2013

On the box it says 1333 mhz and 24-148-465? Is that right?

Newtorfer · Oct 12, 2013

How come when i use cpuz the core speed randomly jumps from 3600 to 800 and the voltage goes from 1.45 to 1?

ethereal essence · Oct 12, 2013

you'll have to disable amd cool n' quiet if you want to overclock. the clock and voltage drops are AMD cool n' quiet kicking in and throttling your cpu. disable it and hopefully that will help your overclock.

Newtorfer · Oct 12, 2013

Also on IntelBurn test all my times are 0.000 secs?

Newtorfer · Oct 12, 2013

czar357 :

Mmh, I put on Cool n Quiet on accident. So I really couldn't figure out how to set the timings on my RAM, I'm really new to OC'ing and just the BIOS interface in general. The only thing I really tried doing was putting up the voltage a tad from the stock and oc'ing it to 3.8, but bsod on startup like I said.

Newtorfer · Oct 13, 2013

czar357 :

http://puu.sh/4OLwR.JPG
http://puu.sh/4OLwg

Newtorfer · Oct 17, 2013

Sorry I haven't responded. I set everything to default, the ram and everything. I raised the voltage slightly and it just cant run overclocked. Even overclocked 100mhz with stock voltage I get random BSODs.

8350rocks · Oct 17, 2013

Newtorfer :

Sounds like your MB has some really cheap VRMs. You'd be better off going to something like a Gigabyte 970A-UD3 or a 990FX board.

Phenom II X4 965 bottlenecks GTX 760?

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