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From Trinity to Godavari (my personal upgrade from a X4 740 to an A10-7860k) - Page 3

post #21 of 30
Wow, that's slower than even the 7700k (2.8 GHz.).
post #22 of 30
Thread Starter 
Quote:
Originally Posted by Feimitsu View Post

So here's how 7860K manages to sell with a 65W TDP...

http://www.jagatoc.com/2016/03/hands-on-review-overclocking-amd-a10-7860k-godavari-65w-dengan-cooler-baru/2/

Well i'm not surprised. There's got to be a compromise when using cpu and igpu at the same time obviously.

Truth be told, the iGPU served me right, because my dGPU died the same week I got the apu.

But that is until I get my hand on a real dGPU, that may be polaris.

What I really cared when I bought the chip, was the fact that the cpu could run the same as 7850k while being 65w instead of 95w.

For me, that means I get more room for OC, on an ITX case limited in temperature and powersupply.

I'm currently using my chip at 4,2ghz for 1,3125v. That's pretty enough for me, that's also the turbo frequency of 880k. And I think the chip uses much less power for it.


I did find a good difference running league of lol (I pretty much like the recurrency there) at stock and oc'd. I'll look at cpu frequency when playing, but not sure that I'll do a test at stock. And I cannot do it until next week-end, currently moving out.
Edited by Cherryblue - 4/7/16 at 4:59am
post #23 of 30
Quote:
Originally Posted by Cherryblue View Post

Well i'm not suprised. There's got to be a compromise when using cpu and igpu at the same time obviously.

Truth be told, the iGPU served me right, because my dGPU died the same week I got the apu.

But that is until I get my hand on a real dGPU, that may be polaris.

What I really cared when I bought the chip, was the fact that the cpu could run the same as 7850k while being 65w instead of 95w.

For me, that means I get more room for OC, on an ITX case limited in temperature and powersupply.

I'm currently using my chip at 4,2ghz for 1,3125v. That's pretty enough for me, that's also the turbo frequency of 880k. And I think the chip uses much less power for it.


I did find a good difference running league of lol (I pretty much like the recurrency there) at stock and oc'd. I'll look at cpu frequency when playing, but not sure that I'll do a test at stock. And I cannot do it until next week-end, currently moving out.

Well, there's basically no difference between a 7860K and, say, a 7870K both running at 4.2GHz@1.3V. Power consumption should be the same if on the same motherboard. In the past I was also thinking that lesser W parts would overclock better but that's actually not the case. AND you're more likely to get a good undervolt from a high leakage chip than a low leakage one. That's probably one of the reasons why you cannot run your chip at so low voltages as mine.

Anyway, I am surprised they didn't tweak the NBGPU voltage for the 7860K, sure it needs less than 1.3V for operating at 755MHz. That would have saved power without impact on performance.
post #24 of 30
Oh.. I am very glad to find you
I am using AMD A10-7860K which is same with you
so if you have used it since March, i think you got stabled
could plz you share me bios settings..?

It is so hard to overclock godavari frown.gif
and I have just basic manual settings
core 3.6ghz with 1.45 volts
nb 1.6ghz with 1.40 volts
gfx 757 and cannot change frown.gif ?
(800 a bit stabled, 857 unreliable but can use, 900 can boot but black screen pops out)
gfx is so bizzare ?? cuz i got 1020 with 7700k before
The STILT's bios, apm off, turbo off, C&Q off, C6 (core on, package on)

particulary, when i test gpu stability with OCCT-GPU,
FPS rate goes up to 83 and decrease to 60 in 30sec frown.gif

It is better to use normal setting with g.skill ddr3-2666 ram rather than I get this performance with OC..ohno-smiley.gif

any ideas??
post #25 of 30
Thread Starter 
Hi,

First, verify your ram is "stable", meaning until your cpu OC is good, don't go over 2133Mhz.

Going over this brought me instability.

Next, you don't really need to change a lot of bios options. With 1,45V, you should be able to go around 4,5ghz with the A10-7650k.

That's my personal case in fact. I'm stable around 1,43xxV.

In the end it will also depend on your motherboard.. What do you have? Have you got coolers on VRMs? If not, forget about 4,5ghz and work it out at 4ghz, lowering voltage until you stop being stable.

As Feimitsu explained it to me, remember stock voltage is too high for stock frequency, you should be able to up frequency while keeping same voltage, or even lowering it a little.

If you don't have the appropriate cooling, forget about going over 4ghz.
post #26 of 30
Quote:
Originally Posted by Cherryblue View Post

Hi,

First, verify your ram is "stable", meaning until your cpu OC is good, don't go over 2133Mhz.

Going over this brought me instability.

Next, you don't really need to change a lot of bios options. With 1,45V, you should be able to go around 4,5ghz with the A10-7650k.

That's my personal case in fact. I'm stable around 1,43xxV.

In the end it will also depend on your motherboard.. What do you have? Have you got coolers on VRMs? If not, forget about 4,5ghz and work it out at 4ghz, lowering voltage until you stop being stable.

As Feimitsu explained it to me, remember stock voltage is too high for stock frequency, you should be able to up frequency while keeping same voltage, or even lowering it a little.

If you don't have the appropriate cooling, forget about going over 4ghz.

Oh thanks for your good reply
Well.. I got three fans of not bad air cooling system which covers direct intake, exhaust, and cpu.
Also mobo is asrock fm2a88m-extreme4+
My system unable to overclock does not make sense at all..
Ok I will try your advice again
Thanks
post #27 of 30
From my experience is not worthy of upgrade smile.gif
My old X4 740 @ 4,48Ghz * I sell it and buy X4 860K @4,4Ghz at 4,5 my Vrm throte wink.gif
http://www.passmark.com/baselines/V8/display.php?id=30870038727

Cinebeanch R15
CPU 352
CPU Single core 102

Catzilla physic test 212 http://www.catzilla.com/showresult/?lp=368556|*|Result%20Details


Gaming test OC/ stock.
http://overclock.pl/articles/show/id/660,8,13,wydajnosc-po-podkreceniu-zestawienie-zbiorcze-gtx-780
Edited by Rabit - 6/22/16 at 3:18pm
Cheap VR bulid :)
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i5 3470 @ 4Ghz P67A-GD65 (B3) Gtx 970 Windforce Hynix HMT351U6BFR8C-H9 
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X4 860k ASUS A88XM-A Club 3d Series 13 7790 Corsair CMZ8GX3M2A1600C8R 
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Cheap VR bulid :)
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X4 860k ASUS A88XM-A Club 3d Series 13 7790 Corsair CMZ8GX3M2A1600C8R 
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post #28 of 30
Quote:
Originally Posted by Rabit View Post

From my experience is not worthy of upgrade smile.gif
My old X4 740 @ 4,48Ghz * I sell it and buy X4 860K @4,4Ghz at 4,5 my Vrm throte wink.gif
http://www.passmark.com/baselines/V8/display.php?id=30870038727

Cinebeanch R15
CPU 352
CPU Single core 102

Catzilla physic test 212 http://www.catzilla.com/showresult/?lp=368556|*|Result%20Details


Gaming test OC/ stock.
http://overclock.pl/articles/show/id/660,8,13,wydajnosc-po-podkreceniu-zestawienie-zbiorcze-gtx-780
How did you get the system to function stable and not corrupt your data running at a reference clock of 140?

The problem you had with the 860K is that a lot of them just won't run at high overclocks without throttling on any board that's not a 6+2. If you ever want to upgrade and you can run high reference clocks without any problem, you should consider an 845. It's a 65W chip with much higher IPC than a Trinity.
     
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post #29 of 30
At first AHCI mode not work you need use IDE and each 35 mhz in fsb more is safe because Sata controller swap multi simply this thing works on FM2+ , I used 140FSB for over a year without any issue smile.gif
Simply each 35mhz more +/- 5 is safe value smile.gif
And I cannot do more because mobo was FSB lock at 140 more not works wink.gif

About X4 845 is good in benchmarks very poor for games to small cache. OC only up to 4,1 Ghz 107 FSB
Per clock weaker compare to Kaveri in games :/

Game Test: https://drive.google.com/file/d/0By9YFYvwjVAJNHNsSVM5M2VsM1U/view * look in wykresy
All credits to this guy http://overclock.pl/forum/members/3272-tomcuk
Edited by Rabit - 6/22/16 at 11:05pm
Cheap VR bulid :)
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Cheap VR bulid :)
(16 items)
 
   
CPUMotherboardGraphicsRAM
i5 3470 @ 4Ghz P67A-GD65 (B3) Gtx 970 Windforce Hynix HMT351U6BFR8C-H9 
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ADATA SP550 Samsung HD502HJ 500GB ocz vertex 2 Zalman CNPS 10X Quiet 
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Windows 10 AOC 2236Swa Techno-X Silentium Deus M1 550W 
CaseMouseMouse PadOther
Aerocool GT Advance Case Maxtek mouse China cheap :P Sharkoon Shark Zone H40 
CPUMotherboardGraphicsRAM
X4 860k ASUS A88XM-A Club 3d Series 13 7790 Corsair CMZ8GX3M2A1600C8R 
Hard DriveHard DriveOptical DriveCooling
Samsung HD502HJ 500GB ADATA SP550 LG GH22LS50 Scythe Mugen 
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post #30 of 30
OK, makes sense. If it can divide the reference clock in IDE mode properly, then it would work. I knew that worked on AM1, but I didn't think it did with locked FM2. Getting a stable 4.48 GHz on a Trinity is impressive as it is. Most of the Piledriver Athlons that would go that high were Richland chips.

Those benchmarks look like the 845 did better in some games but not in others. It is something of a disappointment that it looks like that chip will be the only desktop Excavator part for FM2+. Would have been nice to at least get an 845K out of AMD before they moved on. The Godavari I picked up clocks 200 MHz better than an 860K but needs a lot more power to do it.
     
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Phanteks Enthoo Pro Logitech Marble Mouse Behringer UCA222 Upgraded Realistic Minimus-7 speakers, Lepai 20... 
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Intel Core 2 Duo Mobile T9900 Dell 0G848F Intel Mobile 4 series 4GB Crucial DDR2-6400 
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Kingston V300 Toshiba 2.5" laptop HDD, 1TB Micron C300 SSD Generic 2TB HDD WL2000GSA1672 (external) 
Hard DriveOptical DriveCoolingOS
Seagate Momentus XT 500GB ASUS DVD-RW Prolimatech Black Series Megahalems Linux Mint 18 Cinnamon "Sarah" 
OSMonitorKeyboardPower
Windows 10 ViewSonic VG2030wm IBM Model M Fractal Design Newton R3 600W 
CaseMouseAudioOther
Phanteks Enthoo Pro Logitech Marble Mouse Behringer UCA222 Upgraded Realistic Minimus-7 speakers, Lepai 20... 
CPUMotherboardGraphicsRAM
Intel Core 2 Duo Mobile T9900 Dell 0G848F Intel Mobile 4 series 4GB Crucial DDR2-6400 
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