How will my computer handle mass effect?

i recently upgraded my computer from a stock peice of junk to an average gaming system. that doesnt change the fact its from 2005 but still, you know. so i installed 1 gig of ram and a new video card, i believe its called a "VisionTek Radeon HD2400 Pro agp"(!). so i want to get the mass effect games, but idk if its worth it if my computer can step up to that challenge. any ideas?How will my computer handle mass effect?
Try using "can you run it" from system requirements lab



http://cyri.systemrequirementslab.com/sr鈥?/a>

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