| Composition | KENWOOD KDC-4090R | Pioneer DEH-7250SD |
| Tuner | has a digital | has a digital |
| CD players | yes | yes |
| MP3-players | no | yes |
| Blu-ray player | no | no |
| DVD-player | | no |
| Amplifier | yes | yes |
| Equalizer | yes | yes |
| Navigator | no | no |
| TV tuner | | no |
| General characteristics | KENWOOD KDC-4090R | Pioneer DEH-7250SD |
| Maximum power | 4x45 W | 4x50 W |
| Management changer | CD | |
| CD-changer interface is | custom | no |
| Size | | 1 DIN |
| Color | | black |
| Supported carriers and formats | KENWOOD KDC-4090R | Pioneer DEH-7250SD |
| Formats | CD-Audio | CD Audio, MP3, WMA, AAC |
| Media | | CD-R, CD-RW |
| Memory card support | | SD, MMC |
| Display | KENWOOD KDC-4090R | Pioneer DEH-7250SD |
| Display type | multicolor | monochrome |
| Display dimensions | | 192 x 48 pixels |
| Management | KENWOOD KDC-4090R | Pioneer DEH-7250SD |
| Multicolor lighting | yes | |
| Infrared remote | no | yes |
| Joystick on the steering wheel | no | it is possible to connect |
| Pause when speaking on the phone | yes | yes |
| Memory disk names | yes | |
| Search for a folder/file | | yes |
| Auto plants | | yes |
| Interfaces | KENWOOD KDC-4090R | Pioneer DEH-7250SD |
| Audio input on the front panel | no | yes |
| Outputs | audio | Subwoofer PreAmp |
| Connecting the ISO | yes | |
| Inputs | | USB |
| Bluetooth Support | | no |
| Protection | KENWOOD KDC-4090R | Pioneer DEH-7250SD |
| Detachable panel | yes | yes |
| Rotatable display | yes | |
| Security codes | | yes |
| Tuner | KENWOOD KDC-4090R | Pioneer DEH-7250SD |
| Support band | FM, MW, LW | FM, MW |
| RDS | RDS | |
| Tuner with long reception | | yes |
| Number of preset FM/AM | | 18 / 6 |
| Additional information | KENWOOD KDC-4090R | Pioneer DEH-7250SD |
| Super-bass | yes | |
| Single-bit DAC architecture | yes | |
| CD-text | yes | yes |
| Resampling audio | 8 | |
| Dimensions (WxHxD) | 180x50x160 mm | 178x50x160 mm |
| Features | The management of the two changer immediately. Supports CD-R/RW. | |
| Adjusting the voice | | yes |
| The number of bit DAC | | 24 |
| The number of bands equalizer | | 5 |
| Number of preset equalizer settings | | 7 |
| ID3 tag support | | yes |
| Tone compensation | | yes |
