Korg Nautilus vs Yamaha MONTAGE M6

Korg NautilusYamaha MONTAGE M6
Key action88 key RH3FSX Keyboard
Aftertouch—yes
Polyphony-2256
Sounds / presets2—
Sequencer16-trackSongs 128 / Patterns 128; 16 Sequence tracks, Tempo track, Scene track; 480 ppq; Real time replace/overdub/punch in-out; Note capacity 1 Song/Pattern approx. 130,000 notes; MONTAGE original format, SMF formats 0, 1
Sound engineEDS-K (KRONOS-derived multi-engine)Motion Control Synthesis Engine: AWM2 (128 Elements max.), FM-X (8 Operators, 88 Algorithms), AN-X (3 Oscillators, 1 Noise)
EffectsIFX/MFX from KronosReverb x 12 types, Variation x 88 types, Insertion A x 88 types, Insertion B x 89 types, Master Effect x 26 types, A/D part insertion x 83 types
SpeakersNone (line out only)—
BluetoothNo—
USB audioYes—
Weight23.1 kg15.3 kg
Released2021—
Statuscurrentcurrent
Keys8861

Which one should you buy?

Full spec sheets: Korg Nautilus · Yamaha MONTAGE M6. Rows with a highlighted background differ.