What did you install the cpu into a toaster? No for real. You need to give your system specs. Mobo/BIOS ram, gpu/psu/temps,OS. Otherwise nobody can narrow the problem down
You need to update your bios, thats why cinebench and the system requirements test is not recognizing your cpu. When I ran cinebench it recognized the phenom 2 940 and gave me similar results to yours (although I ran it with the 790gx integrated graphics as I wanted to make sure the cpu worked before i reinstalled my 2 radeon 4850's).
Also I'm pretty sure the system requirements checker is not a benchmark and just compares your hardware to a list of compatible hardware, therefore it has no bearing on your cpu's speed.
Oh also make sure to check your voltages in the bios. When I installed my phenom and new ram I had to manually set the cpu vcore and ram voltages to get the damn thing to boot windows.
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