BTW, here's my system unit's specifications:
Intel Core i3-4130
G.Skills Ripjawsx 8GB 1600Mhz CL9 Dual Channel
WD Caviar Green 4TB
Cooler Master Hyper 212X
Gigabyte Superb 720
In that DMI field usually written by vendor maximum CPU frequency that exact mainboard supports. For 2013 models that was 3.9 GHz (maximum frequency of i7-4770)
After checking the specifications for this processor, Intel® Core™ i3-4130 Processor, I was able to confirm that the frequency for the processor would be 3.4 GHz.
This is third party software in which we cannot rely on.
More information on your processor:Intel® Core™ i3-4130 Processor (3M Cache, 3.40 GHz) Specifications
For more information, here you can find the warranty procedures from Intel: http://download.intel.com/support/processors/sb/Limited_Warranty_8.5x11_for_Web_English.pdf