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AMD Kaveri A10-7850K Overclock Guide - Page 42

post #411 of 1332
what prog are you using to read temp ? real temp says it doen't reconize the hardware , hw info give negative / close to zero value , i have changed the cooler and i need a way to check that the temp are alright. easy tune 6 is heavy and only give me temp with slow refresh, no max/min etc etc , i need something more practical. any idea ?
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post #412 of 1332
Quote:
Originally Posted by Ashuiegi View Post

what prog are you using to read temp ? real temp says it doen't reconize the hardware , hw info give negative / close to zero value , i have changed the cooler and i need a way to check that the temp are alright. easy tune 6 is heavy and only give me temp with slow refresh, no max/min etc etc , i need something more practical. any idea ?

I use Speccy for temp readings
Quote:
Originally Posted by luminousone11 View Post

I will be ordering the my 7850k Thursday, still split on which motherboard to get, up4, extreme 6 or msi.

I will be getting memory as well, 16gig of 2400 or 2600 depending on the board i choose.

Have a corsair 300r case and a h100i cooler ready to go for it already, and the rest of the parts will come from my phenom II 1090t box.

I have heard the MSI g45 board is only 4+2 vrm but am waiting to see how it performs in overclocks before i pass judgement.

After a BIOS update, this AsRock performs awesome. If you are a high tech OC'er, then this is the board. Otherwise I would go for MSI. I am using the beta driver 14.2 as well. Still get some frame stutter on BF4, but a lot less than before the OC and XMP profile.
post #413 of 1332
Well besides the fact that it was marketed as an 8+2 at CES, and then not hardly a month later, it comes out as a 4+2, not much. I just won't buy it on principle, as the honorable thing to do was to do what you said, release it as 8+2. Explains why they went dark after CES though. Hell a blind rat could make out that it was 8+2 in the CES video's...
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post #414 of 1332
Yea I can't give my money to MSI if they are gunna pull bait and switch.

Which leaves it between the gigabyte up4 and the asrock extreme6+. Tho i am heavily leanen towards the asrock board, it has an excellent 8+2 vrm, tho i am tempted to look up third party vrm coolers with that board.

I will litely overclock 7850k at 4.2/4.3/4.4'ish area, igpu atleast 900, and memory as high as the board/cpu will let me take it.

I would buy 2 8gig 2666 cas 11 sticks to go with the asrock board.
post #415 of 1332
Quote:
Originally Posted by luminousone11 View Post

I will litely overclock 7850k at 4.2/4.3/4.4'ish area, igpu atleast 900, and memory as high as the board/cpu will let me take it.
No need of 8+2 VRM for this lvl of overclock
I have an Asus A88XM-Plus with 4+2VRM and my daily runner is 4.2ghz CPU ,2520mhz memory ,1008 iGPU(FSB 105mhz) and as I tested iGPU can take 1100(and can boot 1200 but unstable,dont want to try higher voltage) and CPU be stable at 4.7-4.8ghz but it gets really hot so its not a daily driver unless u r gonna delid it ( I have a Zalman CNPS10X Optima)
VRMs are getting hot a bit but one silent 1000RPM cooler is enough for them (I can hold my fingers on the radiator and its just warm)
post #416 of 1332
Its better to overbuild, I am in it as much for the gold premium Japanese caps as the VRM's themselves. More power stages doesn't just provide more power, its cleaner power to, so more stable in the long run.

And that Asus board is ugly as sin, worst color scheme ever!

That is one thing MSI got right, black and red makes for a nice looking board, and the dragon heatsinks add to the nice ascetic. But the vrm fail on that is just unacceptable.

The asrock, board a mix of soft grey and brown, well the pcb is block but the copper traces make it look brown. not a show case mobo, but at least not ugly.

The gigabyte board, black and red, but the logo's on the heatsinks have shiny silver lettering, nice looking board except for the heatsinks, but they have a good size/shape and are heatpipe connected. Also gigabyte board while only being 6+2, uses IR POWIR stages, which are excellent single chip replacements for the dual transistor setup most commonly used, they are more efficient and cooler, yet they also have the largest heatsink of all the fm2+ boards. I have no idea what the quality of the caps are on the gigabyte board however.
post #417 of 1332
Hi I'm new to this forum I want to share my experience with a10 7850k

I built this system for low power usage gaming.

So I have massively umdervoltaged the cpu.

My system pulls about 80w under full load.

Cpu has one compuit core disabled and is at 1.165v at 3.45ghz.

I had ram problems and judging by tis forum most people have had problems with their ram. I couldn't get it to run at 2400mhz (rated speed) I tryed everything lose timming 1.7v (max I can set) rasing the fsb. But what worked for me was lowering the fsb untill I found a stable speed I got it stable at 2300mhz. Timings are 12 13 13 36 I think.

Im runing the gpu at 411mhz I tested at 511 and its add on a about 2-3 fps and adds about 7w. My increase in ram speed hasn't help much. So I think 2133 mhz is plenty at these low speeds. I umdervoltaged my nb to 1.106v

I havent oced yet and probably wont till im very bord lol. I have a 23 month baby boy so I dont have much spare time lol.

Im gaming at max everything but res is 1280 by 720.
post #418 of 1332
To run 2 compuit cores I found needed to add more voltage to run both compuit cores and 2.6ghz is the max with the lowest voltage. I found it better for gaming to run 1 compuit core at 3.4ghz than 2 at a lower speed.

I also found that all @ stock 1600mhz ram bottlenecks the gpu so much that I got all most the same score in 3dmark06 with my gpu at 720mhz and at 411mhz
post #419 of 1332
Quote:
Well besides the fact that it was marketed as an 8+2 at CES,

Having seen the VRM naked, I can see that it is 4+2 with doublers, near as i can tell from the voltage regulator transistor count this thing is actually 8+3. Their are 22 voltage regulating transistors under those 2 heatsinks, 16 on the cpu side, and 6 on the nb side.
post #420 of 1332
Ordered my parts today, 16gig of 2400 radeon memory(2x8), a10 7850k, and that msi board. will pair it with 270x 4g(also msi) that i already have, will have this in a corsair 300r with a h100i water cooler for cpu.

I will get back here with pics or something and tell yea how she goes.
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