2008 mac pro question

I recently bought a 2008 mac pro that was advertised as a quad core 2.8 and I got a really sweet deal on it. I took it for what he said and started using it. I recently went into system report and about this mac (don't know why I missed this) and see 2x 2.8 quad core and under hardware overview I see 8 cores. I am assuming now I have the 8 core and not the advertised quad core? Sorry if I sound stupid here but can someone confirm this?
Also when he sold this he advertised 32g ram, I just...

2008 mac pro question

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