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Dfrost's Krazy Kaveri A10-7850K Build

post #1 of 19
Thread Starter 
Good morning Overclockers!

I'm writing this thread from my rocking awesome A10-7850K. One thing I should have considered prior to ripping all the boxes apart and tossing components together was creating a massive un-boxing / build video. Maybe if you guys like what I've done here I can go back and pretend like I'm opening everything for the first time.

So without further ado, here's what I've got already


  • Case: Thermaltake Commander G41 Mid-ATX
  • CPU: AMD A10-7850K
  • Cooling: NZXT Kraken X60
  • MOBO: MSI A88XM Gaming Micro ATX FM2+ Bolton D4
  • RAM: AMD Radeon R9 Gamer Series 4GB x 2 DDR3 2400
  • Power: EVGA 600W 80 Plus Bronze
  • Boot Drive: Kingston SSDnow V300 120GB
  • Storage: Seagate Barracuda 1TB 7200RPM 32MB Cache
  • OS: Windows 7 Home Premium
  • OS: Linux Mint

Coming Soon:
  • GPU: ASUS R9290-DC2OC-4GD5
  • Monitor: LG 25UM65-P UltraWide IPS Monitor
  • 2 x Rosewill 120mm Computer Case Fans

So obvious things first. If you notice the picture, the first question I can answer is, No the Kraken X60 did not fit inside of the Commander Mid-ATX case. I'm not afraid of a little engineering, plus I paid next to nothing for the case thanks to Cyber Monday deals on Newegg, so I cut through the mesh at the top to feed the water lines through, and mounted the fans in a push configuration through the mesh. I eventually plan on adding 2 more 140mm fans on top to do a proper push/pull and then 3D printing a cover to match the case. That said, a little bit of clip clip snip snip and BAM, I'm cracking with the Kraken. #1 Major disappointment with the Kraken: its native software does not recognize the CPU temps, and their support suggests using Open Hardware Monitor in addition to their software to keep tabs on temps. Bleh.

Next, OC'ing

CPU: 4690Mhz @ 1.63v
GPU: 1029Mhz
NB : 2200Mhz @ 1.26v

Idle Core Temp: 32C
Active Load: 65C

I have not been able to get the NB to get up to 2400mhz. Everything is stable with NB @ 2200 and DDR3 @ 2400, but I'd like to see that extra boost in performance! I started by leaving CPU and GPU at stock voltages and multipliers, and gradually increased the NB until I couldn't get it stable any longer. I just ordered my AMD R9 290 last night, so once I get this in I'll likely turn down the iGPU and voltage a bit.

For benchmarks, my 3D Mark was horrific. I couldn't stand to watch Fire Strike because of how horrid the FPS was. On SkyDiver, my score was 4371 http://www.3dmark.com/3dm/5015697. I plan to run Prime95 overnight just to see what happens.

Overall, I'm impressed with the machine from a standard, multi-tasking, daily use standpoint. For a gaming machine, the 7850K cannot stand alone! I can play SWTOR just fine, but I'm too scared to try anything hardcore like BF4, Crisis, or AC. The next step is to get my R9 290 installed this weekend and run some benchmarks from there.

Until next time!
Edited by dfrost - 12/11/14 at 11:08am
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post #2 of 19
You should be able to play a bit more than that, people have reported that Skyrim will run fine. I have not run anything on my 7850k's gpu, i went from a Radeon HD7770 to a GTX 970 so I couldn't tell you.

How is overclocking on this motherboard? I have the same one but have not started overclocking yet.

Have you tried cooling the Northbridge with a fan at all?

Subbed for another nice looking Kaveri build!

Edit: Once you get the 290, why don't you just turn off the iGPU? There would not be any need for the extra heat generation and power consumption
Edited by maddangerous - 12/11/14 at 8:05pm
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post #3 of 19
Thread Starter 
Quote:
Originally Posted by maddangerous View Post

Subbed for another nice looking Kaveri build!

Thanks for the sub, maddangerous! I'll be trying some different things out over the next few weeks. I'm going to see how far I can push the CPU, 4.7 is nice but everyone is doing it! MOAR POWER!
Quote:
Originally Posted by maddangerous View Post

How is overclocking on this motherboard? I have the same one but have not started overclocking yet.

Overclocking with the BIOS was extremely easy, everything was pretty straightforward as to what everything was. If you aren't too thrilled about spending a few hours tinkering with multipliers and voltatges you can always do the OC Genie. I tried it just for grins and giggles and then ended up coming up with my own OC Profile instead. I've played a little with AMD CCC, and was able to boost to 4.7 stable there. MSI has its own control center, and that did not go well. It's just common sense things like, don't accidentally decrease the CPU voltage, forget you did it, and then hit apply. Instant crash. On the other hand, you can mess with voltage in it.
Quote:
Originally Posted by maddangerous View Post

You should be able to play a bit more than that, people have reported that Skyrim will run fine. I have not run anything on my 7850k's gpu, i went from a Radeon HD7770 to a GTX 970 so I couldn't tell you.

I'll have to try Skyrim on it before I install the 290 just to see what it can take!
Quote:
Originally Posted by maddangerous View Post

Have you tried cooling the Northbridge with a fan at all?
I don't think temps are the reason behind why I can't get the NB Freq to 2400, because my MOBO temp is usually in the 30's. I would put a fan on the RAM, but I don't know if I have enough clearance with all of the hardware from the Kraken (the joys of micro atx). I just can't seem to get it to boot at 2400 regardless of the voltage I throw at it. It may be a timing issue more than a voltage issue, but I haven't really dealt with that much before, so I'm a bit ignorant there.
Quote:
Originally Posted by maddangerous View Post

Edit: Once you get the 290, why don't you just turn off the iGPU? There would not be any need for the extra heat generation and power consumption

I'm not sure I want to just completely turn it off (is that even a thing?). I'm a developer and I'm trying to clear off enough of my schedule to play with OpenCL and see what the GPU on this bad boy can do computationally. With the advent of HSA, this APU is a 12 core processor. hells yeah.
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Kingston SSDnow V300 NZXT Kraken X60 Windows 10 Enterprise LG 25UM65-P 2560x1080 
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Hard DriveCoolingOSMonitor
Kingston SSDnow V300 NZXT Kraken X60 Windows 10 Enterprise LG 25UM65-P 2560x1080 
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post #4 of 19
Quote:
Originally Posted by dfrost View Post

Thanks for the sub, maddangerous! I'll be trying some different things out over the next few weeks. I'm going to see how far I can push the CPU, 4.7 is nice but everyone is doing it! MOAR POWER!


Overclocking with the BIOS was extremely easy, everything was pretty straightforward as to what everything was. If you aren't too thrilled about spending a few hours tinkering with multipliers and voltatges you can always do the OC Genie. I tried it just for grins and giggles and then ended up coming up with my own OC Profile instead. I've played a little with AMD CCC, and was able to boost to 4.7 stable there. MSI has its own control center, and that did not go well. It's just common sense things like, don't accidentally decrease the CPU voltage, forget you did it, and then hit apply. Instant crash. On the other hand, you can mess with voltage in it.


I'll have to try Skyrim on it before I install the 290 just to see what it can take!


I don't think temps are the reason behind why I can't get the NB Freq to 2400, because my MOBO temp is usually in the 30's. I would put a fan on the RAM, but I don't know if I have enough clearance with all of the hardware from the Kraken (the joys of micro atx). I just can't seem to get it to boot at 2400 regardless of the voltage I throw at it. It may be a timing issue more than a voltage issue, but I haven't really dealt with that much before, so I'm a bit ignorant there.


I'm not sure I want to just completely turn it off (is that even a thing?). I'm a developer and I'm trying to clear off enough of my schedule to play with OpenCL and see what the GPU on this bad boy can do computationally. With the advent of HSA, this APU is a 12 core processor. hells yeah.

ahhh that is interesting, that last bit there. Yes lol it is a thing tongue.gif

the joys of mATX? yeah see my build log, i share that feel! Deepthought Build Log

yeah i look forward to your progress! ill post more later tonight (and respond to your other statements tongue.gif) around 9ish, ill have more time then.
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post #5 of 19
Thread Starter 
Quote:
Originally Posted by maddangerous View Post

Yes lol it is a thing tongue.gif.

Good to know! This is my first performance build and definitely my first APU build, so I'm still ignorant in a few areas. Thanks for the feedback!
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post #6 of 19
Thread Starter 
I failed to do Prime last night. I just didn't feel like going to the dungeon after pulling an all nighter - lol.

I did however get my blue led fans in today!



Behold the beauty!

P.S.: I bought cheapo Rosewill fans on Newegg because they were, well, cheap. SOOOO LOUD. I will be upgrading those soon.
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post #7 of 19
Quote:
Originally Posted by dfrost View Post

Good to know! This is my first performance build and definitely my first APU build, so I'm still ignorant in a few areas. Thanks for the feedback!

No worries, it is my first true high performance build as well! WE CAN LEARN lol

Quote:
Originally Posted by dfrost View Post

I failed to do Prime last night. I just didn't feel like going to the dungeon after pulling an all nighter - lol.

I did however get my blue led fans in today!



Behold the beauty!

P.S.: I bought cheapo Rosewill fans on Newegg because they were, well, cheap. SOOOO LOUD. I will be upgrading those soon.

Nice looks! I bought some $15 fans that hurt my wallet really good... the look on my fiancee's face when I told her how much they were was priceless
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post #8 of 19
The APU won´t last long at that voltage.
Permanent damage starts to occur at 1.49V on this design.
It might last a month or a year but it will fail completely at some point.

1.63V is high even for a 45nm HKMG SOI part let alone for 28nm BULK.
For Kaveri anything over 1.45V is pointless and just stupid.
post #9 of 19
Thread Starter 
Quote:
Originally Posted by The Stilt View Post

The APU won´t last long at that voltage.
Permanent damage starts to occur at 1.49V on this design.
It might last a month or a year but it will fail completely at some point.

1.63V is high even for a 45nm HKMG SOI part let alone for 28nm BULK.
For Kaveri anything over 1.45V is pointless and just stupid.

Thanks, I appreciate the input. I may dial it back once I get settled in and determine how much I really need. I'm really more curious than anything, and if I run it into the ground in 2 months by overloading the vCore then I'll either slap in another one. I saw threads of folks running 1.65v and I guess never really looked through them to see the chip fail after a few months, that or it didn't happen. As long as I can keep the temps in a normal 30-60 range, I should be fine.

That said, I ran it for about 6 hours straight yesterday for the first time and started seeing my idle temps creep up to the high 40's low 50's. I dropped the vCore down to 1.56 and dropped the GPU to stock since I'm installing a discrete card tonight.
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post #10 of 19
Thread Starter 
So, the ASUS R9 290 came in, and guess what! My case is too small! The shroud for the HDD bays comes in about 2" too far and prevents my card from even getting into the case. Looks like I'm breaking out the dremmel tonight.
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Kingston SSDnow V300 NZXT Kraken X60 Windows 10 Enterprise LG 25UM65-P 2560x1080 
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