Bea-fon SL860 vs MaxCom MM428
| Type | Bar (classic) | Bar (classic) |
| Dimensions | 134.00 x 57.00 x 11.60 mm | 116.00 x 54.00 x 13.50 mm |
| Weight | 105.00 g | 78.00 g |
| Display size | 2.80" | 1.80" |
| Display | Color / TFT 64k colors 240 x 320 px (2.80") 141 ppi | Color / TFT 64k colors 128 x 160 px (1.80") 114 ppi |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 220 min. (3.7 h) |  |
| Stand-by (max.) | 2G: 180 h. (7.5 days) | |
| Standard battery | Li-Ion 1400 mAhBuy powerbank
| Li-Ion 800 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Phonebook memory | 1000 places | 300 places |
| Internal memory | 4 GB | |
| RAM memory | 512 MB | |
| Memory cards |  microSD, microSDHC, microSDXC up to 128 GBBuy memory card | microSD, microSDHC up to 32 GBBuy memory card |
| Processor clock | 1000 MHz | - |
| Touchscreen | | |
| SAR (10g) | 1,427 W/kg | |
| DualSIM | | |
| SIM cards standard | SingleSIM(microSIM) | |
| Hybrid DualSIM | nd | |
| Announced | | 4Q 2015 |
| Other names | SL860touch; SL860 touch | Comfort MM428; MM428BB |
| GSM frequencies | 900 1800 | 900 1800 |
| UMTS | 900 2100 | |
| LTE standard | FDD LTE: 2600, 2100, 1800, 900, 800 | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Camera type | Standard | nd |
| Photo matrix | 8 Mpx | nd |
| Optical zoom | | nd |
| Flash | LED | nd |
| Dual-colour LED flash | | nd |
| Additional | AF | nd |
CAMERAS - FRONT
| First camera | | |
| Camera type | Portrait | nd |
| Photo matrix | 2 Mpx | nd |
| Optical zoom | | nd |
| Flash | | nd |
| Dual-colour LED flash | | nd |
| Additional | FF | nd |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | | |
| HSUPA | | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v4.2 | |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 b/g/n | |
| WiFi frequencies | | |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | v2.0 |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | 100 places |
| EMS | | |
| MMS | | |
| Dictionary | OTHER | |
| Swype | | |
| e-mail client | | |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | | |
| HD Voice | | |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | | |
| 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 | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |