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AMD Kaveri A10-7850K Overclock Guide - Page 23

post #221 of 892
Quote:
Originally Posted by amlett View Post

Hi everyone.

I'm getting one of this next week for an itx setup with a Gigabyte GA-F2A88XN-WIFI. I'll be using for cooling a thermaright AXP-100.

From an old X58 rig, I've a couple of modules of 2GB Supertalent DDR3 1600mhz that I was able to push at 1600 7-7-7-19. how will they perform with kaveri?

Counting on the latencies, should I get new faster RAM at 2400mhz or ther performance gains won't be significant against 1600 and CL7...

frecuency vs latencies bussiness as usual doubts.

by the way, is it worth delid this APUs? I still have some coolaboratory Liquid Pro from the 3770K delid.

You should be able to keep the RAM you have now and just loosen the timings and push the frequency. I have a decent set of Crucial Ballistix Tracer 1600MHz which I can push to nearly 2300MHz CL9 on my Trinity system. I'm sure you could expect the same out of your kit since it has such tight timings at 1600MHz. My "lower end" Crucial dimms are actually more flexible than my G.Skill Ripjaws 2133MHz stuff.
post #222 of 892
Quote:
Originally Posted by Boxol View Post

If your lookoing at the Noctua because you think Water cooling is to much take a look at "Cooler Master Seidon 120V" Its one of the cheaper Liquid coolers BUT is actually rated a little better than the Noctua when it comes to cooling.

http://www.newegg.com/Product/Product.aspx?Item=N82E16835103195

Its only $50 bucks!

I've had self-contained water cooling units - I don't find them effective enough for constant use. You want a much larger loop if doing anything strenuous.

Initially the temps were great with the self-contained unit, and they even did the job really well for several hours... but if I left my PC going and crunching tons of numbers, it warmed up. After leaving my PC x264 encoding for a day and a half, my temps went up ~25C over initial load temps. (Ouch!)

Had to swap to the Noctua. It's not as cool, but it can't be overloaded either by long sessions where my CPU is pegged at 100%. The cooling power is more constant.

The main flaw with the cheaper self-contained units is they don't have a large enough rad or enough airflow for constant use.
     
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post #223 of 892
Quote:
Originally Posted by Farmer Boe View Post

You should be able to keep the RAM you have now and just loosen the timings and push the frequency. I have a decent set of Crucial Ballistix Tracer 1600MHz which I can push to nearly 2300MHz CL9 on my Trinity system. I'm sure you could expect the same out of your kit since it has such tight timings at 1600MHz. My "lower end" Crucial dimms are actually more flexible than my G.Skill Ripjaws 2133MHz stuff.

ok. I'll try to push the modules on frecuency relaxing the timings before getting anything...

thanks
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post #224 of 892
Quote:
Originally Posted by Kramy View Post

I've had self-contained water cooling units - I don't find them effective enough for constant use. You want a much larger loop if doing anything strenuous.

Initially the temps were great with the self-contained unit, and they even did the job really well for several hours... but if I left my PC going and crunching tons of numbers, it warmed up. After leaving my PC x264 encoding for a day and a half, my temps went up ~25C over initial load temps. (Ouch!)

Had to swap to the Noctua. It's not as cool, but it can't be overloaded either by long sessions where my CPU is pegged at 100%. The cooling power is more constant.

The main flaw with the cheaper self-contained units is they don't have a large enough rad or enough airflow for constant use.[/quote

I know you are excluding the Swiftech AIO water coolers from that list of deficient cheap aio units. They are all about quality for a decent, though slightly more expensive price.
post #225 of 892
I know I'm a little late to this party... but just picked up an A10-7850k and Asus A55BM-E... Microcenter is practically giving these things away, $129 and that includes the mobo. It's a entry level micro atx board so probably not a king overclocker, but we'll see what happens. If I blow it up, it didn't cost me anything (and I will RMA it anyway, heh). Going to throw a Hyper 212+ on it and see what happens.

The FX6350 was the same price (also including mobo) but I thought this might be more fun to play with and I can dump my old video card on ebay and use the igpu (not really gaming, so meh). We'll see if I can fetch $20 for this old 8500GT.

OH and it came with a free Battlefield 4 code. Which will also probably hit ebay for $20-25.

My ram is some Corsair bargain brand ddr-1600... how important is high memory clock, except for the igpu to use when gaming?
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post #226 of 892
Quote:
Originally Posted by burticus View Post

My ram is some Corsair bargain brand ddr-1600... how important is high memory clock, except for the igpu to use when gaming?
Timings generally help the CPU most, and bandwidth generally helps the GPU the most.

Since you're not gaming... you can probably just tighten your timings the most possible at 1600mhz and you'll be okay.

But I would first push the memory to see where it caps out. If you can get 1700mhz+ out of those sticks, every little bit helps. thumb.gif
     
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post #227 of 892
Ok the stock heatsink officially sucks (shocker). Bumped up to 4ghz and the thing hit 60c and got very choppy. Slapped on the Hyper 212+, temps much better, mid 30's. Using Asus Turbo V can bump up to multi x 44 (4.4ghz)... had to turn up the voltage profile and fan speed profile.

BUT

My intel burn test times are getting SLOWER the more I bump up the clock. Confused.

Can't figure out how to turn off turbo mode in the BIOS and there is no option in Turbo V.

45 multi (4.5ghz) locks when I hit apply.

Hmmm, maybe I should have got the FX6350 with mobo for 129..

Microcenter today put the FX8320 on sale today for $99 but that's chip only. Motherboard is +$70, out of my play budget right now.

Sorry I didn't read all 23 pages of this, if it was covered already.
Edited by burticus - 2/10/14 at 7:54pm
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post #228 of 892
I picked up the 7850k at microcenter today as well, with the Gigabyte F2A88Xn-Wifi ITX board. Running it right now off of my 160XT PicoPSU and it works great. I ditched the stock HSF which had idle temps around 60*C for a Phenom II unit that has an 80mm SilenX yellow fan on it and it dropped my temps way down in addition to being very quiet.

One thing I did notice was that the Gigabyte board needs the newest F4a beta BIOS or the iGPU can't display 120hz out of the DL-DVI port, it gets all messed up. Going to be moving this to a Silverstone RVZ01 tomorrow and putting my Swiftech H220 on it so I'll see how it overclocks then.
post #229 of 892
So, CPU locks @3.0ghz wheN GPU is @ full load? Nobody found a work around?
I have been considering this apu for a small gaming rig ( just to play League of Legends @ 1440p, using hybrid cfx if needed), I can live with 4.4ghz max OC IF it doesn't underclock like this.
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post #230 of 892
Nope. I e-mailed Gigabyte as well with a pretty thorough description of the problem, and the several-days-later response has me thinking they didn't even read my e-mail before responding.

I'm gonna go out on a limb and assume APM Disable, though present, is not actually working.

Anyways, until the CPU throttling issue gets fixed, I'm content enough to see what can be squeezed from the IGP; anybody care to post their highest clocks voltages?

I'm stable at 1029MHz with a +0.096 vcore hike.
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