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***official amd 83x0 overclocking thread***

Mathematics said:
I think 4.6 is plenty, especially if your card supports mantle.

I have a H100i and still couldn't get more than 4.6 IBT stable (maybe I was unlucky with silicone) and used up to 1.52v for 4.8, temps in mid 60's but still failed IBT. 4.6 @1.45v was the best I could do and the temps were good as gold.
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It's not for me, it's for a 7950 build.

Supporting mantle (Right now) doesn't mean much as prior games aren't suddenly going to turn to mantle.
For the future/present (Well, BF4) it's looking positive.
 
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teppic said:
4.6GHz is a bit unlucky with that board and an H100i, you should be looking at 4.8GHz or better, but I agree that 4.5-4.6GHz is an ideal point to get to in terms of good overall performance vs price/temps/etc.
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I know mate, I've been very unlucky, you don't want to know how much my 7990 played up lol

Was actually thinking about buying another chip and keeping the better one and flogging the other. Bizarre thing is I can get it IBT stable at 4.4 with 1.40v (drops to 1.39v according to CPU-Z), yet it requires 1.45v CPU and 1.325v CPU/NB to get IBT stable at 4.6, had 4.8 with 1.48v CPU and 1.35v CPU/NB perform benchmarks but failed stability, even when I cranked the power up to 1.52v.
 
Had a blast on BF4 last night before bed. All settings ultra, gpu usage around 55% (66c) all cpu's around 81% (45c). Game looked amazing.

Don't know what the mantle update will bring but all they need to do now is fix the random connection drops and will be a solid game.
 
Wow, sorry to hear about the bios issues Andy and Maths. Utter ball ache. Hope it is now sorted.

I had a similar issue when I updated bios to 1602 on win8. It just messed everything up with random shutdowns. I had to roll back.

Unfortunately I am now getting an even more annoying issue as I can't diagnose it. At 4.6ghz the system is totally 100% stable. At 4.8 ghz, even though totally prime and IBT stable and temps fine, I get random system lockups usually around 30 mins to 1 hour after system has been turned on. No BSODS, just total freeze and usually just when on the desktop. This results in hard resets to reboot. I tried several things to see if I could sort it including voltage increases, tested the ram and no luck so far. Nothing really I can do to record the cause either as there is no event in event viewer or blue screen viewer.

I could just stick it at 4.6 ghz i suppose but it is a shame as it passes stability testing fine at 5+ghz. Anyone had any similar issues?
 
alex_123_fra said:
Wow, sorry to hear about the bios issues Andy and Maths. Utter ball ache. Hope it is now sorted.

I had a similar issue when I updated bios to 1602 on win8. It just messed everything up with random shutdowns. I had to roll back.

Unfortunately I am now getting an even more annoying issue as I can't diagnose it. At 4.6ghz the system is totally 100% stable. At 4.8 ghz, even though totally prime and IBT stable and temps fine, I get random system lockups usually around 30 mins to 1 hour after system has been turned on. No BSODS, just total freeze and usually just when on the desktop. This results in hard resets to reboot. I tried several things to see if I could sort it including voltage increases, tested the ram and no luck so far. Nothing really I can do to record the cause either as there is no event in event viewer or blue screen viewer.

I could just stick it at 4.6 ghz i suppose but it is a shame as it passes stability testing fine at 5+ghz. Anyone had any similar issues?
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Sounds like the ram thing to me. Is your ram being auto volted?

That's what was happening to me dude with the ram manually volted. Obs LinX and so on would lock it up immediately but if I didn't run any stress tests it would lock up any way randomly. Just completely freeze.

And I'm pretty sure freezing is usually caused by memory, not a bad overclock. Like for example yesterday at 4.9ghz on 1.45v LinX failed (red bar) but the system was still perfectly usable.
 
alex_123_fra said:
Ok thanks Andy. I have manually volted my ram to 1.65v. Should I put it on auto? I am on bios 1503.
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Try it mate yes. Apparently there's a bug with the board and manually setting your ram voltage.

I've had it happen three times now and there was another guy who bought the CHV and had the same issues (can't remember his name now).

The board will basically be completely unstable. I just read that the memory controller has its own set of power stages so it may be that, but setting mine back to auto revived my rig.
 
I set it to auto and all seems well. The rig is now set on stock CPU clocks while I have it mining litecoins.

Andy I fitted 2x cougar vortex HDB 140mm fans as top exhaust (not attached to a fan). So far can't say I'm that impressed with the airflow and I have them on max (1200rpm on my fan controller). Is there something I'm doing wrong? The adapter they come with, is that to make them go into quiet mode or for max rpm mode? I haven't used it so far.

As a comparison, my previous akasa viper 140mm seemed to shift more air and chassis temps were around 8-9C less. A little louder though than the cougars.
 
Forgot to say, I've done the unthinkable and made a great decision. Downgraded, for the better! Sold my RIVE and in the process of selling my 3820. The price of the RIVE alone almost got me a 8320 and a sabertooth mobo. I don't do THAT much gaming these days and i only had the 3820 because i was going to upgrade to a 6 core. but i didn't want do that. Super excited to get back into AMD. :D
 
Kobi said:
Forgot to say, I've done the unthinkable and made a great decision. Downgraded, for the better! Sold my RIVE and in the process of selling my 3820. The price of the RIVE alone almost got me a 8320 and a sabertooth mobo. I don't do THAT much gaming these days and i only had the 3820 because i was going to upgrade to a 6 core. but i didn't want do that. Super excited to get back into AMD. :D
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Welcome to the club Kobi ;)
 
Won't be overclocking the FX83, it's got a mediocre cooler on it, but I can feel the heat.
Never felt anything like it.

I've had Intel chips run hot, but it's different, they don't turn the heatsink into a furnace (I'm talking their mainstream i5 parts)
Runs fine 'n all that looping Heaven with the 7950 maxed.
 
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