Questions about bottleneck

SonOfMars · Jun 24, 2016

Hello! I have a question regarding my build. I currently have AMD Phenom II x4 965 BE and GTX 960. And I'd like to upgrade my processor to FX- 8350...since I'd like to have best possible performance with my GTX 960.
At this point I cannot replace my motherboard inorder it to be compatible with Intel. Any ideas if FX 8350 will be enough? For AM3+

Thanks in advance!

Faux_Grey · Jun 24, 2016

I highly doubt you'd see any noticeable improvements upgrading an old 965 to an old 8350.

Even then you'd need an AM3+ compatible motherboard.

If you're talking gaming performance it's simply better to save and buy a lowly intel i3 6100 or i3 4170 for faster performance in basically everything you'll be doing, plenty of cheap motherboards out there.

If you're doing video rendering, etc. it "might" be worth getting a 8350. Might.

SonOfMars · Jun 24, 2016

I have another PC with i5 2400 (not in use). Would it be wise to use that instead ? Would GTX 960 run fine with i5 2400 ?

Faux_Grey · Jun 24, 2016

That would work much better, a 960 would work perfectly with it as long as the power supply can handle it.

SonOfMars · Jun 24, 2016

So, I5 2400 would work much better than FX 8350 with GTX 960? How about heavy strategy games like TW: Attila and Warhammer?
Thanks.

Faux_Grey · Jun 24, 2016

Here's some quick benchmarks, games are at the bottom.
http://www.anandtech.com/bench/Product/434?vs=363

TW: attila CPU benchmarks
https://forums.overclockers.co.uk/showthread.php?t=18655871

I'd personally use the i5 with the 960. Better thermals as well.

spdragoo · Jun 24, 2016

http://www.anandtech.com/bench/CPU/1298

http://www.anandtech.com/bench/CPU/1297

http://www.anandtech.com/bench/CPU/1296

http://www.anandtech.com/bench/CPU/1295

TW: Attila is going to be much more dependent on your GPU than your CPU -- when a Skylake i7 can only get to 35 FPS @ 1080p (Ultra) on a GTX 980, but the FX-8370 isn't too far behind with 30 FPS at the same settings, & you see a similar spread going all the way down on lower GPUs as well, it's pretty obvious that the game is heavy on the GPU side. You can also see, though, that on this game the FX chip will outperform the 6-core Phenom II (also confirmed in other benchmarks, http://www.anandtech.com/bench/product/146?vs=697), & that X6 chip is roughly comparable to your 965 (http://www.anandtech.com/bench/product/146?vs=102). So, at least for this game, you should see measurable improvements by swapping out your 965 for an FX-8350 or 8370.

The issue with switching to the i5, as well, is you will have to reinstall Windows from scratch, since it's a brand-new motherboard & completely different hardware. If you just pop in an FX chip, however, Windows will simply update its CPU drivers & proceed without a hiccup.

Faux_Grey · Jun 24, 2016

spdragoo :

That's not exactly true..

I've swapped drives between many Intel/AMD systems and had success without even having to do anything.
All depends on the chipset and controllers.

Or you can simply enable windows OOBE, then do the drive swap. That always works for me.
Here's a howto: http://www.makeuseof.com/tag/making-sure-windows-7-will-boot-after-changing-the-motherboard/

SonOfMars · Jun 24, 2016

Thank you for your replies! I've decided to try out i5 with it's motherboard. Now all I have to do is to add my additional RAM and HDD's. Will it be a problem with windows 8.1 as spdragoo mentioned or Faux_Grey's solution suffice? Because I will only add my ram, gpu and hdd's to that motherboard (with i5)

Faux_Grey · Jun 24, 2016

SonOfMars :

I'd first try your current hard drive in the case with the new components to see if it boots fine.
If it doesn't boot and it crashes/BSODS then put the hard drive back in the old pc and perform an OOBE setup.

Once it boots in the new motherboard, then perhaps move over your RAM/GPU/etc.

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