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AMD FX8350 vs 9370

Tuvoc

Tuvoc

Tuvoc

Soldato
Joined
19 Dec 2002
Posts
3,745
My motherboard has official support for the 8350, but not the 9370. (GA-990XA-UD3)

8350 - 4.0GHz, turbo 4.2GHz TDP: 125W
9370 - 4.4GHz, turbo 4.7GHz TDP: 220W

I would have had little hesitation putting an 8350 in there and overclocking to 4.4GHz, probably at default voltage with luck, but then how is that different from the 9370 ? Is an 8350 overclocked to 4.4 effectively a 220W TDP then ? If that is the case, you wouldn't want to overclock at all !
 
No different. I would guess it's because Gigabyte don't have quite enough confidence in their board to officially support a 4.4ghz piledriver. If your board fails to oc your 8350 ti 4.4, you just have to suck it up; if it fails to run a 9370 at stock when it's supposed to be supported, then that's faulty and Gigabyte can expect an RMA
 
I guess the turbo speed is a factor too, although I would disable that.

I presume the board would boot a 9370 ?

The 8350 is probably the safer option.
 
Tuvoc said:
Is an 8350 overclocked to 4.4 effectively a 220W TDP then ? If that is the case, you wouldn't want to overclock at all !
Click to expand...

The insane TDP increase mainly comes from the increased voltage, with FX9370/FX9590 AMD basically just took an FX8350, wacked up the voltage and increased the stock multipliers.

With that motherboard your main issue will likely be throttling due to VRM's overheating, I wouldn't bother with anything more than the FX 8350 and try to overclock as far as possible on the stock voltage.
 
The voltage on the 9xxx's tend to be quite high for stability sake. You might even get a 8350/8320 which can be stable at 4.4 with 4.7 turbo at a voltage less than the auto voltage of a stock 9370.

From my experience PD and BD vary quite a lot when it comes to comfortable voltage ranges.
 
Max sensible voltage for both of them is 1.5v and even then heat is going to kill you. The 9xxx series I believe is a slightly better binned 8xxx series - some 9590s do 5Ghz at approx 1.4v whereas my 8350 needs 1.5v to do that

8350 is great fun to overclock and you can get pretty much the same speeds! 4.8Ghz seems to be about the best compromise though
 
I think heat is a concern, yes. My Phenom II X6 runs cool enough under load at 3.6 in normal use, and is Prime95 and IBT tested at that, but under Prime95 and IBT it is on the limit temp wise. I guess you guys can't Prime95 your Piledrivers at high clocks because of heat ?
 
I dont bother. No matter what, core 6 throws a wobbly at any overclock, even 4.1Ghz - rock solid gaming/using handbrake/realbench though
 
Harlequin said:
the 9590 doesn't run at 220w -I know as I have 1.

52 degree`s under load under an H80 and rock stable.
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Running what? it's meaningless without context.

AMD TDP numbers are (presumably) worst case scenario such as what you'd see from Prime95 but a lot of motherboards will be throttling to protect VRM's well before then.
 
FYI, temperature and heat are not the same thing.

If you put a CPU under LN2 running at 8GHz it'll be running at a temperature of -100C but consuming well over 500W.
 
Most FX 83## run 4.4 or 4.5 easily without much voltage and on an inexpensive air cooler, the more golden ones do 4.6 to 4.7 just as easily. you would have to be unlucky to get one thats tricky to get to 4.5ghz.

either way a 9370 or 9590 is a waist of money at the extra cost unless you want them as higher binned to pushing for 5Ghz. in which case you would need some good cooling anyway.
 
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humbug said:
Most FX 83## run 4.4 or 4.5 easily without much voltage and on an inexpensive air cooler, the more golden ones do 4.6 to 4.7 just as easily. you would have to be unlucky to get one thats tricky to get to 4.5ghz.

either way a 9370 or 9590 is a waist of money at the extra cost unless you want them as higher binned to pushing for 5Ghz. in which case you would need some good cooling anyway.
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This.

The batches being sold tend to clock above 4.5Ghz no problem, if you want to save further get the 8320 and spend that £30 on a better GPU.
 
Thanks all, if I make the move, the 8350 makes most sense. All I'd be after is a mild overclock, 5-10% at stock volts. I don't game, so I don't need a better GPU.
 
Dude what Motherboard have you got? I've got a 8350 and am running it on a Asus Crossfire V Formula-Z, I've got my chip running at 4.5ghz and I've not even touched the voltage, all I did was up the multiplier and set my memory to the correct speed. It's super simple :D
 
Make sure you have good ventilation as with high overclocks the VRMs can get very hot. If you're only aiming for 4.5 though you'll be fine :)
 
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