Here are the major differences.
| JUPITER-X | JUNO-X | ||
|---|---|---|---|
| Keyboard | 61 keys | 61 keys | |
| Semi-weighted | ✓ | - | |
| Channel Aftertouch | ✓ | ✓ | |
| Sound Generator | ZEN-Core | ✓ | ✓ |
| Preloaded Models | JUPITER-8, JUNO-106, JX-8P, SH-101, XV-5080, RD-Piano, Vocoder | JUNO-X, JUNO-60, JUNO-106, XV-5080, RD-Piano, Vocoder | |
| Controllers | Pitch Bend/Modulation Lever | ✓ | ✓ |
| Wheel x 2 | ✓ | - | |
| Assignable Controller |
Slider x 2 Switch x 3 |
Slider x 2 Switch x 3 |
|
| Bluetooth | Audio | ✓ | ✓ |
| Midi | ✓ | ✓ | |
| Display | Graphic LCD | ✓ (128 x 64 dots) | ✓ (128 x 64 dots) |
| Speaker | Full Range | ✓ (Stereo) | ✓ (Stereo) |
| Tweeter | ✓ (Stereo) | ✓ (Stereo) | |
| Power Supply | AC Input | ✓ | ✓ |
| Other | Dimensions | 1,090 (W) x 447 (D) x 119 (H) mm | 1,072 (W) x 333 (D) x 110 (H) mm |
| 42-15/16 (W) x 17-5/8 (D) x 4-11/16 (H) inches | 42-1/4 (W) x 13-1/8 (D) x 4-11/16 (H) inches | ||
| Weight | 16.9 kg / 37 lbs 5 oz | 11.6 kg / 25 lbs 10 oz | |