I've been experimenting with the Raspberry Pi 3 and have WSJT-X running smoothly. Lots of contacts using just 5 watts. My rig is an Icom 7300 and it's working beautifully in split with the Icom 7300 set as rig.
See the full article at ICOM 7300 WSJT-X RASPBERRY PI OPERATING SPLIT MODE
Source: QRZ News
Link: WSJT-X Raspberry Pi Operating SPLIT MODE