Will Battlefield 3 Run OK with this Imac?

i looking possibly buy bf3 pc, wanted insight on whether or not experts feel system able handle it.
in advance

21.5 inch imac

4 gb ram windows 7 64bit via bootcamp


imac
model identifier: imac11,2
processor name: intel core i3
processor speed: 3.2 ghz
number of processors: 1
total number of cores: 2
l2 cache (per core): 256 kb
l3 cache: 4 mb
memory: 4 gb
processor interconnect speed: 5.86 gt/s
boot rom version: im112.0057.b00
smc version (system): 1.64f5


chipset model: ati radeon hd 5670
type: gpu
bus: pcie
pcie lane width: x16
vram (total): 512 mb
vendor: ati (0x1002)
device id: 0x68c0
revision id: 0x0000
rom revision: 113-b9850h-133
efi driver version: 01.00.416
displays:
imac:
resolution: 1920 x 1080
pixel depth: 32-bit color (argb8888)
main display: yes
mirror: off
online: yes
built-in: yes
connection type: displayport
l226w:
resolution: 1680 x 1050 @ 60 hz
pixel depth: 32-bit color (argb8888)
mirror: off
online: yes
rotation: supported
adapter type: mini displayport vga adapter
adapter firmware version: 1.01

 

it should work. i'd rather have 8gb of ram 4gb.

 

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