http://community.callofduty.com/thr...48#.UniylJ0VFaQ

Minimum System Requirements:
•OS: Windows 7 64-Bit / Windows 8 64-Bit
•CPU: Intel® Core™ 2 Duo E8200 2.66 GHZ / AMD Phenom™ X3 8750 2.4 GHZ or better
•Memory: 6 GB RAM
•Hard Disk Space: 40 GB
•Video: NVIDIA® GeForce® GTS 450 / ATI® Radeon™ HD 5870 or better
•Sound: DirectX compatible sound card
•DirectX®: DirectX® 11
•Internet: Broadband Internet connection for Steam and Online Multiplayer.

Recommended System Requirements:
•OS: Windows 7 64-Bit / Windows 8 64-Bit
•CPU: Intel® Core™ i5 – 680 @ 3.6GHz
•RAM: 8 GB RAM
•HDD : 40 GB HD space
•Video: NVIDIA® GeForce™ GTX 760 @ 4GB
•Sound: DirectX® compatible sound card
•DirectX®: DirectX® 11
•Internet: Broadband connection and service required for Multiplayer Connectivity. Internet connection required for activation.

看這系統需求門檻不低.