Battlefield 3 specs - imac good enough?

found these (unofficial) specs bf3:

1. minimum
   hard drive space: 15 gb disc version or 10 gb digital version
   os: windows vista or windows 7
   processor: core 2 duo @ 2.0ghzram2gb
   video card: directx 10 or 11 compatible nvidia or amd ati card
   
   
2. recommended
   hard drive space: 15 gb disc version or 10 gb digital version
   os: windows 7 64-bit
   processor: quad-core intel or amd cpuram 4gb
   video card: directx 11 nvidia or amd ati card, geforce gtx 460, radeon radeon hd 6850
   

i'm looking 21.5" imac:

• 2.8ghz quad-core intel core i7
• 4gb 1333mhz ddr3 sdram - 2x2gb
• 1tb serial ata drive
• amd radeon hd 6770m 512mb gddr5

sometime year , wondered how radeon hd 6770m compare recommended radeon hd 6850 ?

before flamed know imacs not gaming rigs , have indeed built gaming rigs in past i'm getting 1 first time , intend keep considerable time wondered how playing odd game of battlefield? i've ever played bf series of games going 1942 (still best , ww2 better modern theatre of war - that's debate) , hoped fire maybe in touch old clan buddies reminisce , maybe frag few of them on shiny new imac

cheers all.

 

so far bad company 2, latest title demanding.

gaming rig has 4.0ghz i7 930, gtx470 in sli, 6g of corsair dominator. runs around 80fps on max setting on 1920x1080.

using medium setting, same resolution , on 1 gtx470 (no sli) on average 60fps.

dont think can run macs. never games minimum requirement, 2.0ghz core2duo either take 20minutes or crash instantly when load game.

anyways if can run on mac, keyboard , mouse (or trackpad) not gaming, if switch gaming set, compromises 'elegant' factor of imac.

 

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