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advice for my rig

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Processor Intel core i7 3770k @4.5ghz
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#1
I play bf3 ultra setting on 1600x900, but I just bought a new monitor which has 1920x1080. I saw the min fps drop from 52 to 38. is it relate to higher res or my system has something because I read other player that they never have fps drop below 50 with gtx 580 at 1080p.
 

brandonwh64

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#2
Hmm I would check all your settings, It should be around 50FPS
 

Huddo93

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#3
GTX580 having problems with only 1.5GB memory? But I'm not 100% sure since I do not personally own a GTX580. But I do say this though since you have increased resolution which means your graphics card requires more memory, and I also know that BF3 is one of the biggest memory hoarders to date.

just my $0.02 :)
 

JrRacinFan

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#4
Try reducing back to 1600x900 and adding an FXAA/MSAA bump. See if that gives you same detail/FPS.
 
Joined
Aug 27, 2011
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Processor Intel core i7 3770k @4.5ghz
Motherboard Asus P8Z77-V PRO
Cooling Corsair H80i push&pull with courgar 120mm led fan
Memory 2x8gb Corsair Vengeance 1866mhz
Video Card(s) MSI GTX 970
Storage 1x 512gb Samsung 850 Pro ,1x750Gb Seagate
Display(s) Benq 2420te + Acer S230HL 23"
Case Corsair 760t White
Power Supply Corsair RM750i
Mouse Zowei ZA13
Keyboard Razer Blackwidow Ultimate
#5
just check memory usage, with 1600x900, memory usage about 1300~1400mb. with 1080p, omg, over 1500mb when im in the middle of the caspian border map. fps drop to 36 is the lowest i have seen.
 
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#6
time for a higher giga card...

or just kill AA to 2x
 
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#7
Sounds about right performance wise.

1600x900 = 1,440,000
1920x1080 = 2,073,600

1600x900 is about 69.4% of the pixel count of 1920x1080.
38fps / 52fps = 73% of the performance level you had at 1600x900 once you are in 1920x1080.

This type of calculation would generally be fairly wrong because of cpu limitations, not so much an issue with your system, it's also not incredibly accurate but the numbers mesh up nicely so I wouldn't expect it to be much better, you're already ahead of the curve.