| Size/Weight | 
      
        | Dimensions | Width | 149 cm (58 3/4") | 152 cm (60") | 
      
        | Height | 109 cm (43") | 121 cm (47 3/4") | 
      
        | Depth | 54 cm (21 1/4") | 62 cm (24 1/2") | 
      
        | Weight | Weight | 202 kg (445 lb) | 251 kg (553 lb) | 
      
        | Control Interface | 
      
        | Keyboard | Key Surfaces - White | Acrylic resin | Acrylic resin | 
      
        | Key Surfaces - Black | Phenolic resin | Phenolic resin | 
      
        | Hammer | Type | JU/JX Series Special | U1J Special | 
      
        | Pedal | Type | Damper/Silencing pedal/Soft | Damper/Silencing pedal/Soft | 
      
        | Design/Architecture Detail | 
      
        | Caster | Type | - | Single caster | 
      
        | Cabinet | 
      
        | Key Cover | Soft-Close Fallboard | - | Yes | 
      
        | Sensor System | 
      
        | Key Sensors | Non-contact continuous detection electromagnetic inductive sensor | Non-contact continuous detection electromagnetic inductive sensor | 
      
        | Hammer Sensors | - | - | 
      
        | Damper Pedal | Continuous detection sensor | Continuous detection sensor | 
      
        | Sostenuto Pedal | - | - | 
      
        | Soft/Shift Pedal | On/Off detection sensor | On/Off detection sensor | 
      
        | Silencing System | 
      
        | Mechanism | Hammer shank stopper operated by center pedal | Hammer shank stopper operated by center pedal | 
      
        | Action | - | - | 
      
        | Soundboard Drive System | 
      
        | Mechanism | TransAcoustic™ technology | TransAcoustic™ technology | 
      
        | Voices | 
      
        | Tone Generation | Piano Sound | Yamaha CFX, Bösendorfer Imperial | Yamaha CFX, Bösendorfer Imperial | 
      
        | Binaural Sampling | Yes (Yamaha CFX,Bösendorfer Imperial) | Yes (Yamaha CFX,Bösendorfer Imperial) | 
      
        | VRM | Yes | Yes | 
      
        | Grand Expression Modeling | Yes | Yes | 
      
        | Key-off Samples | Yes | Yes | 
      
        | Smooth Release | Yes | Yes | 
      
        | Polyphony (max.) | 256 | 256 | 
      
        | Preset | Number of Voices | 12 | 12 | 
      
        | Effects | 
      
        | Types | Reverb | Yes | Yes | 
      
        | Brilliance | Yes | Yes | 
      
        | Stereophonic Optimizer | Yes (piano Voices other than “CFX Grand” and “Bösendorfer”) | Yes (piano Voices other than “CFX Grand” and “Bösendorfer”) | 
      
        | Songs (MIDI) | 
      
        | Preset | Number of Preset Songs | 12 Voice Demo Songs, 50 Classics | 12 Voice Demo Songs, 50 Classics | 
      
        | Recording | Number of Songs | 10 | 10 | 
      
        | Number of Tracks | 2 | 2 | 
      
        | Data Capacity(max.) | approx. 500 KB | approx. 500 KB | 
      
        | Format | Playback | SMF (Format 0, Format 1) | SMF (Format 0, Format 1) | 
      
        | Recording | SMF (Format 0) | SMF (Format 0) | 
      
        | Recording/Playback (Audio) | 
      
        | Recording Time (max.) | 80 minutes/Song | 80 minutes/Song | 
      
        | Format | Playback | WAV (44.1 kHz, 16 bit, stereo) | WAV (44.1 kHz, 16 bit, stereo) | 
      
        | Recording | WAV (44.1 kHz, 16 bit, stereo) | WAV (44.1 kHz, 16 bit, stereo) | 
      
        | Functions | 
      
        | Rhythm Patterns | 20 | 20 | 
      
        | Overall Controls | Metronome | Yes | Yes | 
      
        | Tempo Range | 5 – 500 | 5 – 500 | 
      
        | Transpose | -12 – 0 – +12 | -12 – 0 – +12 | 
      
        | Tuning | 414.8 – 440.0 – 466.8 Hz (approx. 0.2 Hz increments) | 414.8 – 440.0 – 466.8 Hz (approx. 0.2 Hz increments) | 
      
        | Control Interface | Display | 7-Seg | 7-Seg | 
      
        | Bluetooth | Yes (Audio/MIDI) *May not have this functionality depending on your area. Check with your Yamaha dealer. | Yes (Audio/MIDI) *May not have this functionality depending on your area. Check with your Yamaha dealer. | 
      
        | Storage and Connectivity | 
      
        | Storage | Internal Memory | approx. 1.3 MB | approx. 1.3 MB | 
      
        | External Drives | USB flash drive | USB flash drive | 
      
        | Connectivity | Headphones | Stereo mini jack (x2) | Stereo mini jack (x2) | 
      
        | MIDI | - | - | 
      
        | AUX IN | Stereo mini jack | Stereo mini jack | 
      
        | USB TO DEVICE | Yes | Yes | 
      
        | USB TO HOST | Yes | Yes | 
      
        | Power Supply | 
      
        | AC Adaptor | PA-500 (or an equivalent recommended by Yamaha) | PA-500 (or an equivalent recommended by Yamaha) | 
      
        | Power Consumption | 17 W (When using PA-500 AC adaptor) | 17 W (When using PA-500 AC adaptor) | 
      
        | Auto Power Off | Yes | Yes | 
      
        | Accessories | 
      
        | Included Accessories | AC adaptor*, power cord*,Headphones, headphone hanger, attachment screws for headphone hanger, Owner’s Manual. *May not be included depending on your area. Check with your Yamaha dealer. | AC adaptor*, power cord*,Headphones, headphone hanger, attachment screws for headphone hanger, Owner’s Manual. *May not be included depending on your area. Check with your Yamaha dealer. | 
      
        | Separately Sold Accessories | USB wireless LAN adaptor (UD-WL01) *May not be available depending on your area. | USB wireless LAN adaptor (UD-WL01) *May not be available depending on your area. |