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Battlefield 4 Crossfire Fix

post #1 of 3
Thread Starter 
Hi Everyone,

I have had quite some problems running BF4 since the release. I've tried most of the different suggested fixes around different forums on internet but without any luck.

My setup:

Windows 7 Ultimate 64bit OS
P8Z77-V Pro
i5 3570k running 4.4GHz
8GB 1600mhz ram (CAS 9)
XFX 7970's Black Ed. DD (rev. 2 / 2 x DVI) @ stock (for now)
XFX Pro 850W
XL2420T / 120hz
CCC: 13.11 Beta 9.2

Yesterday evening as I was testing different graphics settings to see FPS differences in the test range.

Thanks to LtMatt's thread over at OCUK on how to check if CFX is working properly. I set up Afterburner and RivaTuner with OSD.

Rivatuner doesn't work with 64bit applications so I launched BF4 in x86 mode.
AND behold what a difference. FPS was much more consistent, and frametimes was much lower, hovering around 8ms.

The only thing I see as a bummer is this: http://www.youtube.com/watch?v=2RFWBxb6xzI

I can finally run BF4 on Ultra x4MSAA with +100 fps the majority of the time.

NB: It is not possible (as far as I know) to change graphics settings when launching BF4 as x86, so therefore launch it in 64bit first. Set the graphics to whatever you want it to be. Close the game and Battlelog. Right click BF4 in origin, launch options and run x86.

Why this game is running so much more fluently I don't know. May have something to do with memory leak as many have experienced, and as a 32bit application only have access to only 4GB ram? Anyone want to elaborate on this?

Just wanted to share this fix, and hopefully it will help others as well with similar setup to mine smile.gif
Edited by matta85 - 11/27/13 at 7:39am
post #2 of 3
I tried running in 32 bit mode and lost 20 fps.....
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My AMD pwnage
(18 items)
 
  
CPUMotherboardGraphicsRAM
FX 8350 Asrock 990FX Extreme 9 Sapphire 7950@ 1080/1370 Replacing RAM soon 
Hard DriveHard DriveOptical DriveCooling
Kingston HyperX 3K 120GB SSD 500GB WD Blue Generic iHAS120 ATAPI DVD-RW Cooler Master Eisberg 120L Prestige  
OSOSMonitorKeyboard
Win 8.1 Enterprise x64 Trial version Linux Mint 15 MATE in Virtualbox Sony E540 CRT 21" Logitech G510 
PowerCaseMouseMouse Pad
TT ToughPower 775W TT Dokker Razer Deathadder Rocketfish 
AudioOther
Asus Xonar D2 Fan controller for FM121s 
  hide details  
Reply
post #3 of 3
Thread Starter 
Sorry to hear that man. For me running x86 vs 64bit made a huge difference. Dunno really the reason why. If 32bit graphics are downgraded vs 64bit, or it is mem leakage. I must say though, after playing cfx for some hours yesterday. I took both of the xfx dd's out and put in my sapphire ghz vapor x instead @1150/1550. Single card with customs graphics, ultra most settings, aa/af off and light to low gives me +100 fps on most maps except for dawnbreaker where it is around +85. Thinking about selling both of my double d's. Maybe even sell my vapor x as well and upgrade to 290x/780ti. Single card ftw! Less hassle and problems. Too bad though, really wanted this to work so I could take advantage of the beautiful graphics in bf4 frown.gif
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