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[OFFICIAL] FX-8320/FX-8350 Vishera Owners Club - Page 522

post #5211 of 67278
Almost 100W less with the 8320 than with the 8120 for me. My 8120 was high leaker..
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post #5212 of 67278
Mine is low leakege one. My system draw from the wall in Cinebench about 230W, CPU was @ 4.0Ghz , 1.28V load voltage. Clocked at 4.6Ghz 1.425V consuption was about 315w from the wall. Can u compare those numbers with FX 83xx ?
post #5213 of 67278
Quote:
Originally Posted by itomic View Post

Mine is low leakege one. My system draw from the wall in Cinebench about 230W, CPU was @ 4.0Ghz , 1.28V load voltage. Clocked at 4.6Ghz 1.425V consuption was about 315w from the wall. Can u compare those numbers with FX 83xx ?

Dang, those wattages are low! At 4.74GHz 1.416V the whole system with the 8320 draws just above 300W. 400W(!) with the 8120 at 4.7 (1.45V). Will try 4 and 4.5GHz later.
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post #5214 of 67278
Thread Starter 
Quote:
Originally Posted by madbrain View Post

Quote:
Originally Posted by KyadCK View Post

Remember when I said the F9 BIOS messed up LLC? That's exactly what I was talking about.

Yes. I may have to take you up on your offer for a BIOS with working LLC. Are you running a rev 1.1 board ?

I am. I would not have offered the BIOS if I wasn't sure our boards matched.

For the record, gigabyte's DualBIOS wont let you brick your board. If the update fails, it'll copy the 2nd BIOS over the 1st one and you're back to how you were. If the update passes, and you successfully boot, it will write the new BIOS over the backup, updating it too.
Quote:
Originally Posted by madbrain View Post

There is also probably a reason why AMD chose to limit the clock to 4.0 ghz and not start at say, 4.5. And we may be finding that out.

Because between the speed and voltage required, it would have passed the TDP limit of 125w, and this would have to be sold as a 140w unit, which would be bad for their image considering they're already pounded for their chips eating up so much power. Plus, the amount of power it would require might go over FCC regulations, and of course, people would be annoyed with being forced to use the AIO cooler AMD offers and it's limited OC headroom.
Quote:
Originally Posted by nexxusty View Post

Quote:
Originally Posted by KyadCK View Post

Keeping voltage steady is a bad thing? Really? That's why those of us with LLC are hitting higher clocks on less voltage then those without, and not suffering from vdroop?
Ask cssorkinman what voltage he has to run at to keep 5Ghz due to vdroop, then try calling LLC a bad thing again.

The voltage is kept steady yes, as much is it can be.

It WILL spike much higher than needed. Sometimes over 2v. There is a post in this very thread with exactly this happening. "Why did my CPU Vcore Spike to 2.3v when I was running IBT last night".

LLC is why.

With the Digi+ VRM's it's not an issue. Analog VRM's, it's an issue. And a fact. Look it up.

LLC will damage your CPU. No doubt about it.

You really should read Red's 990FX-UD7 Rev 1.1 review. It goes over what LLC does, and even provides shiny graphs. To sum it up though, you are so wrong it's funny.
Quote:
Originally Posted by Tarnix View Post

Quote:
Originally Posted by EliteGhost View Post

So is it worth upgrading from a 1090T to the FX-8320?
First: I recommend paying the extra 40$.
It depends on what you do with your CPU.
You will not gain much if you:
  • mainly use Sony Vegas or any video encoding program that can use your GPU
  • Spend your days doing Pi, IBT or other float-based stuff (Phenom II X6 [any model] @ 4.0/4.2GHz gives 77 GFLOPS, FX-8350 @ 4.6 gives 33 [ on IBT])
  • Need a lot of Instructions per clock

You will gain if you:
  • encode with a variety of programs (livestream twitch/justin.tv, etc)
  • Multi-task a lot (8 "cores" vs 6)
  • need more power saving
  • Are looking for improvement about affinity locking (aka threads doesn't jump from one core to another all the time)
  • Want the smoothness of 4.0GHz easily
  • Want to break an OC record
  • Just want an unlocked CPU
  • Are using Linux (tested here. Impressive)

Single-threaded games seems to benefit if the CPU was a bottleneck such as the X6 1055T @ 4.0GHz (Example: Second Life: +5-8 FPS with deferred rendering turned on -tested by me)

1090T is unlocked, but otherwise, nice list.
Edited by KyadCK - 12/8/12 at 1:13pm
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post #5215 of 67278
Quote:
Originally Posted by ComputerRestore View Post

Yeah, I was kinda general about that.
Didn't want to say, use "X" program, cause most people have a preference.
Asus users can use TurboV
Others can use Amd Overdrive. Can MSI Afterburner do CPU's? It might be just for GPU.
But definately AOD.

Neither of those programs seems to let me do it, it's all or nothing.
post #5216 of 67278
Quote:
Originally Posted by m0bius View Post

Neither of those programs seems to let me do it, it's all or nothing.

Have you tried in your bios? I know i can disable set of 2 cores like 8&7 5&6 etc etc except the first 2 cores
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post #5217 of 67278
I can disable them, but not modify clock speeds independently of other cores.

Quote:
Originally Posted by ComputerRestore View Post

For those that are having trouble getting stability either:
- on a module above a certain frequency
- on a module, but a rediculous amount of voltage helps and the temps are crazy high
I'd recommend using an overclock program to stagger the cores, you may get a higher overclock on average.
Example:
Cores 1-2 @ 5.3Ghz
Cores 3-4 @ 5.0Ghz
Cores 5-6 @ 4.7Ghz
Cores 7-8 @ 4.5Ghz
@ 1.475v - 4.875Ghz average
VS.
Full CPU Overclock of 4.6Ghz @ 1.5v
post #5218 of 67278
Quote:
Originally Posted by m0bius View Post

I can disable them, but not modify clock speeds independently of other cores.

Ah sorry wasnt sure if you meant disable now i know you meant clockspeed redface.gif
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post #5219 of 67278
Quote:
Originally Posted by Tarnix View Post

First: I recommend paying the extra 40$.
It depends on what you do with your CPU.
You will not gain much if you:
  • mainly use Sony Vegas or any video encoding program that can use your GPU
  • Spend your days doing Pi, IBT or other float-based stuff (Phenom II X6 [any model] @ 4.0/4.2GHz gives 77 GFLOPS, FX-8350 @ 4.6 gives 33 [ on IBT])
  • Need a lot of Instructions per clock
You will gain if you:
  • encode with a variety of programs (livestream twitch/justin.tv, etc)
  • Multi-task a lot (8 "cores" vs 6)
  • need more power saving
  • Are looking for improvement about affinity locking (aka threads doesn't jump from one core to another all the time)
  • Want the smoothness of 4.0GHz easily
  • Want to break an OC record
  • Just want an unlocked CPU
  • Are using Linux (tested here. Impressive)
Single-threaded games seems to benefit if the CPU was a bottleneck such as the X6 1055T @ 4.0GHz (Example: Second Life: +5-8 FPS with deferred rendering turned on -tested by me)

I will mostly be playing games, and using 3dsmax. Also the 8350 is a little out of my price range for me since I found the 8320 for 170 at $amazon. So would I notice a difference when playing games like BF3 and Crysis or Crysis 3.
post #5220 of 67278
No, becouse u can set cores clocks in two seconds to match FX 8350 specs.
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