Can I run Napoleon total war on ultra setting with this gaming rig?

CPU - AMD Phenom X6 1055T AM3 2.8ghz 6mb Cache

Motherboard - M4A78LT-M

Memory - 8gb DDR3 1333 PC10660

Hard Drive - 1000gb Sata Hard Drive

Graphics Card - Nvidia Geforce GTS450 1gb palit|||Yes you can