No fps increase with new cpu?

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Christopher Belk

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May 2, 2013
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At first I thought an upgrade from an AMD A4-3300 to an AMD A8-3870K would bring a huge boost to my performance. The a4 is a dual core at 2.4ghz, and the a8 a quad at 3.0ghz. In Battlefield 3 campaign, I noticed the same frame rates with both CPUs with the same settings and resolutions. My GPU is an AMD Radeon HD 6670 1gb DDR3. While testing, I wrote down my fps on paper on the Battlefield 3 campaign mission called Kaffarov. At the beginning at 1440 x 900 resolution I maxed 35 fps on high settings with shadow and effects on low and 0 AA. 26 min. That was on the A4. When I put the A8 in, I didn't notice a single change. By the way, I am positive my BIOS is up to date because I looked at my MOBO's website for support for the A8 and it showed I well past the version needed. 1.3 for AMD A8 support, but I have version 1.6 of my BIOS. The MOBO supports the CPU for sure, and the socket is correct. The only noticeable difference between the CPUs was that on the A8 everything felt like it took a bit longer to load programs, and felt laggy when trying to exit games, programs, etc. I checked the temps in BIOS for both and the A8 was 41c on idle! The A4 was only 25c on idle. The BIOS says what my CPU is and I can confirm that it listed the A8 correctly, even windows showed it correctly, so I am sure anything BIOS related is out of the picture of solutions. I am not that knowledgeable in the CPU world, but it must be the temps causing the lack of fps increase or something? Would I need to do anything else to make sure the new A8 is running as it should? Oh and in Battlefield 3 the only thing the A8 seemed to change was the stuttering was completely gone with it.
 
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Single player is gpu limited, and since your previous chip wasn't holding back your graphics card that's why you see no fps increase. Multiplayer is cpu limited.
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Christopher Belk

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I'll write down my fps in Multiplayer and report them back here. But what about the temps on the A8?
 
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Guest

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Single player is gpu limited, and since your previous chip wasn't holding back your graphics card that's why you see no fps increase. Multiplayer is cpu limited.
 
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Christopher Belk

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May 2, 2013
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Thank you for the help, but I would like to know if the 41c at idle on the A8 is something I should be concerned about.
 
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Christopher Belk

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May 2, 2013
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Update: on a 48 player server on Battlefield 3 on the map Noshahr Canals, I got about 33 fps max, 24 avg, and 17 minimum. This was on my A4. I'm going to put the A8 into the socket in a minute, but I am still worried about the temperature on the A8. Like I said it was 41c on idle, and rising when I am in BIOS
 
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Are you using stock cooler? Name brand paste? What is your rooms ambient? Are other components running hot? Have you cleaned the case for dust?
 
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lostgamer_03

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Aug 4, 2012
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As long as you don't reach the high 60 's then you shouldn't worry. Just make sure to properly install your heatsink. Doing too much or too litle thermal paste will make a big impact on the temperature!
 
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Christopher Belk

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May 2, 2013
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The paste on the heat sink currently is the already applied stock paste from AMD. My room feels a bit stuffy no matter how much I try to clean it. All other components like my GPU are running at about 31c on idle. My GPU is always around 31 - 35c on idle no matter what CPU I have inserted. My case has actually gotten a bit dusty, I will buy some more air compressor cans and clean it out.
 
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Those temps aren't bad. I'd be more interested in temps under load while gaming. If your room is warm and using stock cooler then your CPU temps will be higher.
 
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Christopher Belk

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May 2, 2013
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Okay, so I put the A8 in the socket and played a 64 player match on Battlefield 3. I did not once fall below 27 fps. Not even once. I was playing on high settings at 1440 x 900 resolution with shadows and effects both on low, and no AA. On my A4 I played a 48 player server on the same settings, and my fps dropped below 19 and I averaged 24 fps, and a max of 31. The A8 does actually improve my performance, but I guess I was expecting too much from my cpu upgrade. Thanks everyone.
 
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