Complex sentence: All models can boost to their peak speeds (+200Mhz) when running just one or two cores, from 3 to the maximum number of cores, the chips can only boost 100Mhz above the base frequency.
Split into simpler sentences: All models can boost to their peak speeds, adding 200Mhz to their base frequency when running just one or two cores. When running from 3 to the maximum number of cores, the chips can only boost 100Mhz above the base frequency.