All models except the i7-4770K and i7-4790K additionally support vPro and TXT.
All models except the i7-4770K additionally support Intel VT-d.
All models except the i7-4770K additionally supported Intel TSX-NI at launch, but support was disabled in later stepping and microcode updates, due to the incorrect implementation, that couldn't be solved by microcode without hurting performance or fixing it fully.