Compared to a Mac Pro, you'll be giving up * Desktop-grade cooling * Multithreaded CPU performance (4-6 vs 8-28 cores) * PCI-e lanes + expandability (via PCI

Compared to a Mac Pro, you'll be giving up * Desktop-grade cooling * Multithreaded CPU performance (4-6 vs 8-28 cores) * PCI-e lanes + expandability (via PCI-e slot) * RAM expandable to 1.5 TB * dual 10 GBit ethernet Not all "pros" have the same requirements. In your case, maybe the Mac Mini is adequate.