Yamaha MODX+ vs Yamaha MONTAGE M8x

Yamaha MODX+Yamaha MONTAGE M8x
Key actionGHS KeyboardGEX Keyboard (88 weighted keys with polyphonic aftertouch)
Polyphony128256
Sounds / presets25003369
Sequencer16-track—
Sound engineAWM2 + FM-XMotion Control Synthesis: AWM2 (128 elements) + FM-X (8 operators, 88 algorithms) + AN-X (virtual analog)
EffectsVCMReverb x 12, Variation x 88, Insertion A x 88, Insertion B x 89, Master Effect x 26 types; Master EQ
SpeakersNone (line out only)None (line out only)
BluetoothNo—
USB audioYesYes
Pads / faders—no (8 control sliders + 8 knobs + Super Knob, ribbon controller)
Weight13.8 kg28.1 kg
Dimensions (W×D×H)—[1446, 170, 460] mm
Battery power—no
Released20222023
Statuscurrentcurrent
Keys8888
88 Algorithms; EffectsReverb x 12—
Master Effect X 26; Sequencer16 Sequence tracks—

Which one should you buy?

Full spec sheets: Yamaha MODX+ · Yamaha MONTAGE M8x. Rows with a highlighted background differ.