Intel Mobile Pentium III-M microprocessors were based on the last Pentium III core - Tualatin. These mobile processors featured a few performance enhancements such as larger size of L2 cache, data Prefetch Logic (DPL) feature and increased Front-Side Bus frequency. The mobile microprocessors had lower core voltage and power consumption than Mobile Pentium III CPUs based on Coppermine core. The mobile CPUs also had additional Deeper Sleep power-saving mode. Some OEM and all boxed Pentium III-M processors were packaged in 478-pin micro FC-PGA package. All other OEM mobile processors, including all low-voltage and ultra low voltage processors, were packaged in 479-ball micro FC-BGA package