ya, i think it should be easily playable. Here are the minimum specs:
Official system requirements released Id software has released system requirements for Quake Wars, and as you can see, you need a faster machine if you plan to play it on Windows Vista.
Software requirements Microsoft(R) Windows(R) XP/Vista (Windows 95/98/ME/2000 are unsupported)
Microsoft DirectX(R) 9.0c (included)
Minimum System Requirements
Processor: Intel(R) Pentium(R) 4 2.8 GHz or AMD(R) Athlon(TM) XP 2800+ processor (Pentium 4 3.0GHz or equivalent for Windows Vista)
Memory: 512MB RAM (768MB for Windows Vista)
Graphics card: 128MB NVIDIA(R) Geforce(TM) 5700 or ATI(TM) Radeon(TM) 9700 (full list of supported chipsets below)
Sound card: 100% DirectX 9.0c compatible sound card
Harddisk: 750MB of free hard drive space, plus 200MB for Windows swap file
Internet: Broadband connection and service required for full gameplay and downloads. Features may change without notice.
SUPPORTED VIDEO CHIPSETS
* NVIDIA GeforceFX Series (5700 or higher, not including 5700LE and 5700VE)
* NVIDIA Geforce 6 Series (6200 or higher) NVIDIA Geforce 7 Series (7300 or higher)
* NVIDIA Geforce 8 Series
* ATI Radeon 9700 or higher
* ATI Radeon X700 or higher
* ATI Radeon X1650 or higher