chocokiller :
so does it mean that I cant handle it in ultra settings?
Yes, your processor is too slow, it is too slow to even run the game at all.
Minimum requirements for Battlefield 3
OS: Windows Vista or Windows 7
Processor: Core 2 Duo 2.4 GHz or Althon X2 2.7 GHz
RAM: 2GB
Graphic card: DirectX 10 or 11 compatible Nvidia or AMD ATI card, ATI Radeon 3870 or higher, Nvidia GeForce 8800 GT or higher.
Graphics card memory: 512 MB
Sound card: DirectX compatibl sound card
Hard drive: 15 GB for disc version or 10 GB for digital version
Recommended system requirements for Battlefield 3
OS: Windows 7 64-bit
Processor: Quad-core Intel or AMD CPU
RAM: 4GB
Graphics card: DirectX 11 Nvidia or AMD ATI card, Nvidia GeForce GTX 560 or ATI Radeon 6950.
Graphics card memory: 1 GB
Sound card: DirectX compatibl sound card
Hard drive: 15 GB for disc version or 10 GB for digital version