Before you pre-order Portal 2, it would be prudent to check the system requirements just released by Valve. Only the strongest of computers will be compatible with Aperture Science's latest technology.
The specs come directly from the game's product page on Steam. They've got both the PC and Mac requirements up. If you purchase the game for the PC, you'll be able to download and play it on your Mac as well (and vice versa).
PC System Requirements
- OS: Windows 7 / Vista / XP / 2000
- Processor: 3.0 GHz P4, Dual Core 2.0 (or higher) or AMD64X2 (or higher)
- Memory: 1GB XP / 2GB Vista
- Hard Disk Space: At least 7.6 GB of Space
- Video: Video card must be 128 MB or more and should be a DirectX 9-compatible with support for Pixel Shader 2.0b (ATI Radeon X800 or higher / NVIDIA GeForce 7600 or higher / Intel HD Graphics 2000 or higher).
- Audio: DirectX 9.0c compatible
Mac System Requirements
- OS: MAC OS X 10.6.6 or higher
- Processor: Intel Core Duo Processor (2GHz or better)
- Memory: 2GB
- Hard Disk Space: At least 7.6 GB of Space
- Video: ATI Radeon 2400 or higher / NVIDIA 8600M or higher
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