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FX-8310 - Page 30

post #291 of 326
Quote:
Originally Posted by CravinR1 View Post

The 8310 performs the same as 8350/8320 when overclocke. At 4.5 ghz my 8310 actually needs less vcore than my 8350, but my 8350 maxes out at 4.8 where as the 8310 SEEMS to be around 4.6


I get the same feeling about this 8300. I doubt it will clock as high as my 8320 or two 6300's.
post #292 of 326
After a PSU upgrade (from a crappy Raidmax) and a move to 120mm AIO exhausting right out the back (more for space constraints then anything else), I'm getting 4.8 stable at 1.39v. Temps almost never top 50C in HWInfo. Probably helps that I've got three 120mm intakes and a 140mm exhaust right above the AIO and VRMs.

Hmm, that actually makes me wonder... I have two 140mm top exhausts I could run... would it work better to have my 120mm AIO intake from my top rear spot and exhaust into the case... Then it would exhaust right out with the top two 140mm fans.
post #293 of 326
Well, after 12 DAYS (!!!) I finally got my FX8300 ! It seems UPS lost it picking it up from Newegg, and after 1 live chat and two phone calls over the course of the last week, I was able to get another chip sent my way. I should have known this was not going to be nearly as easy as my 6300 chip, and so far its proven to be a very tough chip to figure out. I have had to clear the CMOS 4 times already, and I just can't get this chip to do what the 6300 does.

The 6300 was first tested using AMD Overdrive, just to see what that offered. That chip scaled up to 4600@1.424, and it was STILL GOING when I prematurely ended the test, safe in the knowledge that I had a nice chip. I set it for 4500@1.424 and it ran all day with no issues. I knew going in that the 8300 ran at much lower voltage, so I set the BIOS back to default (auto everything) and popped the 8300 in and let her rip. I started off using OC Genie, and it wouldn't boot. CLR CMOS. mad.gif OK, default everything, then back into Windows, where I now used MSI Command Center to try and overclock it a bit at a time. OOPS, turbo mode still on, as my multi keeps changing and I forgot to turn off many of the things that reset to AUTO in the BIOS.

Back into Windows, and now I used AMD Overdrive (again) to see what it would do. That managed to get up to 4100@1.424 before asking me to reboot. So I knew those were the numbers to shoot for in the BIOS since that was what AMD Overdrive was able to squeeze out of it. I set my multi to 20 and voltage to 1.38v (for a locked 4000mhz with no turbo mode) and it once again would not boot into Windows, requiring yet ANOTHER CLR CMOS mad.gif

Seriously, the 6300 was about the easiest OC I have ever had (going back to the ubiquitous Celeron 300a@450) and this 8300, which I FULLY expected to get within spitting distance of the 6300, is not even close to it. I pretty much gave up for the evening, and left it at bone stock 3.3. Of course, Windows WEI score managed to climb from a 7.5 (with the 6300@4.5) to 7.6 (8300@3.6 turbo). Windows must like the extra cores compared to the higher speed.

PS - not sure why the chip didn't turbo to 4.2. CPU-z shows it stuck at 3.6. I'm reading several site that show it turbos to 4.2, but then I find others that claim it only turbos to 3.6. I have some work to do tomorrow, and I hope that I can get some more performance out of this chip.
 
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post #294 of 326
Well, maybe you just have bad luck with the silicon lottery on your 8300, but you really shouldn't use programs to OC. OC from the BIOS a little at a time. You'll do it way better than any program can.
post #295 of 326
I understand that. I never used AMD Overdrive or OC Genie until I put the 6300 into the board, but I still need to USE them, if only once, just to see what they offer. I have never OC'd from within Windows before this, so I use it only to see what it can squeeze out of the chip, then replicate those numbers in the BIOS. Neither is something I would recommend, but they do give me numbers to use if I am to OC from the BIOS. MSI Command Center seems like the best of the three that I tried, and even that was giving me numbers that AMD Overdrive closely matched, but when I used those numbers plugged into the BIOS, I was unable to get it to even boot.
 
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post #296 of 326
Quote:
Originally Posted by NaxShaleChan View Post

Well, maybe you just have bad luck with the silicon lottery on your 8300, but you really shouldn't use programs to OC. OC from the BIOS a little at a time. You'll do it way better than any program can.

If you have a Gigabyte or Asus, yes, but MSI's control center is much better than either of those.
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post #297 of 326
I made it to 4000, but I have no idea if its stable or not. Managed to grab a screenie and cross my fingers. I don't even want to try a Prime95 run yet, as I've had a rough night already (sinus infection and a busted drain pipe in the laundry room makes WT a crabby guy) madsmiley.png



Voltage is higher than I wanted to go, but my temps seem fine even above 1.4. I'm confused why CPU-z reports my voltage still way down at 1.296, while MSI's utility shows it at 1.44. At least I'll have something to do tomorrow after my doctor visit and trip to the plumbing store !!
 
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post #298 of 326
Set llc to medium and set nb voltage to 1.2-1.5 based on stability
post #299 of 326
I would sooner believe CPU-z, as there's no reason why an FX-8300 should need 1.44v to reach 4 GHz.
post #300 of 326
MSI does not use LLC at all. Probably what we are seeing is the difference between what it takes to make it stable under load after accounting for vdroop and its idle voltage. It is still awfully high.
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