A10-7850k underperforming in games.

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Navirivy

Navirivy

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Jun 3, 2014
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I recently bought an A10-7850k, a GB F2A88XM-D3H motherboard and 2x4gb 2133mhz HyperX Kingston RAM. I'm on Windows 8.1.
From what I could see before I bought the Kaveri, it should run pretty much every game out there on low graphics at least, but after a whole day of messing with drivers and BIOS settings I'm starting to despair. I get very poor performance and mouse lag on games I could run smoothly with my old and inferior PC (with 6gb RAM, a Phenom II and a Radeon HD4870).

The RAM was originally set to 1600mhz at first, which I've already changed, but the CPU and GPU frequencies are okay.

I have absolutely no idea what to do here :(
 
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damric

damric

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Sep 17, 2010
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Sadly, your old PC was faster in many ways.

But anyways. Firstly, turn down AA/AF, as even with DDR3-2133, there just isn't enough bandwidth for AA/AF. Secondly, keep it cool. APUs are sensitive to power and heat loads and will throttle themselves a lot to stay within temperature and power envelopes. You can disable some of that in BIOS, but you will never truly keep it from throttling unter very heavy loads. Of course you could overclock, but Kaveri isn't much of a clocker like your old Phenom II.

I really don't blame you if you stick your old HD 4870 back in, instead of using the APU graphics. I certainly wouldn't blame you if you switched back to your old Phenom II rig altogether.
 
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Navirivy

Navirivy

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Jun 3, 2014
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Oh :( I'll take heat into account then.... maybe it needs better airflow. And I can try sticking the old card in and see what happens.

I played around with cpu/gpu and ram frequencies (I turned them back to normal, except for ram which I left at 2133), disabled "cool and quiet" and a couple more things I can't remember that had no effect whatsoever :pt1cable: (which are back to default values now)

I'm trying to run games in medium (AA, vsync, SSAO, blur always off) and I gradually tone the settings down from there, but I barely see an improvement !

 
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WhiteSnake91

WhiteSnake91

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Jun 16, 2013
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you could have just popped in a better GPU and been better off with your old rig, the APUs from what I've seen are really only good for playing stuff on 720p low settings - and they need more expensive fast ram just to be able to do that.

Honestly I'd try to sell your Kaveri and just get a better gpu like hd7870/ r9 270x for your old Phenom II pc, I'm guessing it was Phenom II 965?

What's your power supply? I doubt it would be that though if it was powering your older rig fine.

I was thinking myself of doing a Kaveri build..but eh. Somebody would be much better off getting the cheap Athlon x4 760k and an r7 260x or r7 265 or r9 270
 
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Navirivy

Navirivy

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Jun 3, 2014
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After messing around with more stuff, I duct-taped 2 fans (not really duct taped) in there and moved the RAM around and I'm getting way better performance :) It turns out the RAM wasn't using dual channel because the #1 and #2 slots were not contiguous and I didn't pay attention.
Temps are still a bit high, but at least I get better performance than with my 4870 ^^

I actually bought a Sapphire DualX R9, but it won't be here for like two months ! My old Antec power supply should be enough (650w). The old cpu is an immortal Phenom II 945 :D (I actually moved on from that pc because my RAM sticks were dying one by one)

So the culprit was heat and my own stupidity when installing RAM. Case closed :p

 
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C

Calculatron

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Apr 3, 2013
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Disable AA, and Vsync. If you experience a lot of frame tearing, or similar artifacts, feel free to reactivate it, but those two can definitely kill your performance right out of the gate; AA especially.

If that doesn't help... Not sure what to really say.

At least, though, the A10-7850K is fairly decent CPU. If you would prefer your current motherboard to your old one, playable gameplay is still only a single GPU upgrade a way. You'll just have to suffer until you can get the extra cash. :(
 
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