Roland FP-4 vs Roland HPi-50

Roland FP-4Roland HPi-50
Key action88 keys PHA alpha II keyboardPHA III Ivory Feel Keyboard with Escapement
Polyphony128128
Sounds / presets333348
Speakers14 W70 W
Bluetooth—No
USB audioNoNo
Weight15.3 kg58 kg
Released20072012
Release month1—
Discontinued—2014
Statuscurrentlegacy
Keys8888

Which one should you buy?

Full spec sheets: Roland FP-4 · Roland HPi-50. Rows with a highlighted background differ.