Windows Vista Professional Requirements

Are these specs check out good for my computer?

I want a new game, (Postal 3) and they just released the system requirements. Just say they don't check with my PC, or they do.
My PC:
CPU: AMD Athlon(tm) 64 Processor 3200+
CPU Speed: 2.00 GHz Performance Rated at: 3.6 GHz
RAM: 1.4
OS: Microsoft Windows XP Professional Service Pack 2 (build 2600)
Video Card: GeForce 6150 LE
Sound Card: SigmaTel High Definition Audio CODEC
Hard Drive Space: Over 320
Postal 3 Requirements:
# Supported OS: Windows® 7 / Vista / Vista64 / XP
# Processor: Pentium 4 3.0GHz
# Memory: 1 GB for XP / 2GB for Vista
# Graphics: DirectX 9 compatible video card with 128 MB, Shader model 2.0. ATI X800, NVidia 6600 or better
# Hard Drive: At least 7.5 GB of free space
# Sound Card: DirectX 9.0c compatible sound car

Does not meet the video requirements. You'll need to add a video card.

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