Frame rate dropping periodically.

I think your after this:

http://imgur.com/a/6KJBH#87BGUaE
(Replace BF:H with PvZ; it's the same thing)

nVidia Control Panel -> 3D Settings -> Program Settings -> Add Program (PvZ) -> High Performance Processor

same here - turned graphis to low - framedrops almost there... can play bf4 without framedrops 2x amd radeon HD6950 with biosupdate to hd6970 2x 2gb gddr5

i had the same problem with my xcrossfired 7990's then i found a solution. in amd catalyst disable Xcrossfire and the video performance should level out. as it seems popcap or EA who ever developed the game didn't put in mind of Xcrossfire so for some reason it just buggs out.

I can't find how to add the High Performance Processor, its not on my Control Panel. And I only have one graphics card anyway, so unless it happens with only one then it can't be the same issue.

Normally, if you had such an item, you would KNOW it, because you must pay extra to get it.  3D games with game engines such as this one has cannot run on any ordinary, average Internet beater of a PC, sorry, that's why the game has well publicized System Requirements: 

    Required: Internet connection required to install and play
    DVD-ROM: N/A
    OS: Windows 7/8 64bit
    Video Card: NVIDIA 8800GT, AMD/ATI Radeon HD 5750
    Processor: Intel Core 2 Duo @ 3.0 GHz
    Sound Card: DirectX 9.0c
    Compatible Memory: 4GB RAM
    DirectX: 10.0+
    Hard Drive: 15 GB
    Input: Keyboard, Mouse or Dual Analog Gamepad

Here's the kicker with the fps problem: On direct3d I get terrible fps drops making it nearly unplayable, on Mantle I get awesome framerates with no drops but.... it crashes like once a round.  So do I run Direct 3d with bad framerates or do I run Mantle and expect to crash at any moment.....

Running crossfire 7970 ghz gpu's.

Yeah, turning off crossfire makes the game just fine but my god is that disappointing....

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@P1NGOR wrote:

I can't find how to add the High Performance Processor, its not on my Control Panel. And I only have one graphics card anyway, so unless it happens with only one then it can't be the same issue.

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@SexuaIHealing 

The other comments to this thread were, indeed, apparently misdirected.  Are you still having difficulties?  Let's see a DxDiag for the machine, shall we?  Refer to the topmost FAQ in the Titanfall forum, and follow through with that guide. 

The reason I said that is because in the original post it suggested IGP vs dGPU issue.  (CPU vs GPU)

If you can list your system specs, we should start over from the begining.

Start -> type: DXDiag -> Save Information
More detailed description = http://answers.ea.com/t5/Titanfall/PC-Graphic-performance-issues-in-Titanfall-here-s-how-to-help-us/m-p/2454360#U2454360

I was as confused by that as everyone else, until a day later, or when I was checking for any needed followups and finally caught on.