Onyx Boox Note Air4 C vs Onyx Boox Tab X C
| Type | A tablet | A tablet |
| Dimensions | 226.00 x 193.00 x 5.80 mm | 287.50 x 243.00 x 5.30 mm |
| Weight | 420.00 g | 625.00 g |
| Display size | 10.30" | 13.30" |
| Display | Color / e-Ink 4k colors 1860 x 2480 px (10.30") 301 ppi | Color / e-Ink 4k colors 1200 x 1600 px (13.30") 150 ppi |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Standard battery | Li-Po 3700 mAhBuy powerbank
| Li-Po 5500 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Internal memory | 64 GB | 128 GB |
| RAM memory | 6 GB | 6 GB |
| Memory cards |  microSD, microSDHC, microSDXC | |
| Operating system | Android 13 | Android 13 |
| Processor | Qualcomm | Qualcomm |
| Processor clock | - | 2840 MHz |
| GPU | - | - |
| Touchscreen | | |
| DualSIM | | |
| Announced | 4Q 2024 | 2Q 2025 |
| Other names | Boox Note Air 4 C | Boox Tab X Color |
| GSM frequencies | | |
| UMTS | | |
| LTE standard | | |
| Standard 5G | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
CAMERAS - FRONT
SENSORS
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | | |
| HSCSD | | |
| HSDPA | | |
| HSUPA | | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v5.1 | v5.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 a/b/g/n/ac | v802.11 b/g/n/ac |
| WiFi frequencies | 2,4 GHz; 5 GHz | 2,4 GHz; 5 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 Type-C | v2.0 Type-C |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| Galileo | | |
| QZSS | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | T9 | T9 |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | 2 | 2 |
| Audio Jack | | |
| HD Voice | | |
| Sound formats | AAC, AAC+, AMR, MID, WAV, eAAC+ | AAC, AAC+, AMR, MID, WAV, eAAC+ |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | ART | ART |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Vibrations | | |