Panasonic 821P vs MaxCom Comfort MM426
| Vormgeving | Klepje | Bar-telefoon |
| Afmetingen | 104.00 x 50.00 x 15.20 mm | 115.00 x 52.00 x 13.00 mm |
| Gewicht | 113.00 g | 72.00 g |
| Schermgrootte | 2.80" | 1.77" |
| Scherm | Kleurrijk / TFT 256k kleuren 240 x 400 px (2.80") | Kleurrijk / TFT 64k kleuren 128 x 160 px (1.77") 116 ppi |
| Bescherming scherm |   | |
| Extra scherm | Mono / OLED 25 x 96 px (0.77") | |
| Secundaire bescherming scherm | | |
| Max. gesprekstijd | 2G: 300 min. (5.0 h) 3G: 200 min. (3.3 h) | 2G: 180 min. (3.0 h) |
| Max. standbytijd | 2G: 300 uur (12.5 dagen) 3G: 400 uur (16.7 dagen) | 2G: 225 uur (9.4 dagen) |
| Standaard batterij | Li-Ion Buy powerbank | Li-Ion 600 mAhBuy powerbank |
| Snel opladen van de batterij | | |
| Draadloos opladen van de batterij | | |
| Geheugen van het telefoonboek | 1000 contacten | 300 contacten |
| Geheugen kaarten |  microSD tot 2 GBBuy memory card | microSD, microSDHC tot 32 GBBuy memory card |
| Touchscreen | | |
| Dual SIM | | |
| Introductiedatum |  | I. kwartaal 2019 |
| Andere namen van deze telefoon | - | - |
| GSM standaard | 900 1800 1900 | 900 1800 |
| UMTS standaard (3G) | 2100 | |
| LTE-standaard | | |
| CDMA standaard | | |
| TD-SCDMA-standaard | | |
| UMA standaard | | |
CAMERA'S - TERUG
| Eerste camera | | |
| Matrix | 2 Mpx | nd |
| Schermresolutie | 1600x1200 px | nd |
| Optische zoom | | nd |
| Digitale vergroting | 10x | nd |
| Flitser | | nd |
| Dual-color LED-flitser | | nd |
| Videoresolutie | 352x288 px | nd |
| Videoformaten | MPEG4, H.263 - 15 fps | nd |
| Extra | - | nd |
CAMERA'S - VOORKANT
| Eerste camera | | |
| Matrix | 0.3 Mpx | nd |
| Schermresolutie | 640x480 px | nd |
| Optische zoom | | nd |
| Flitser | | nd |
| Dual-color LED-flitser | | nd |
| Extra | - | nd |
SENSORS
| Accelerometer | | |
| Nabijheid | | |
| Licht sensor | | |
| Magnetometer | | |
| Gyroscoop | | |
| Barometer | | |
| Altimeter | | |
| Gravity sensor | | |
| Hall-effect sensor | | |
| Iris scanner | | |
| Vingerafdrukscanner | | |
| Thermometer | | |
| Hygrometer | | |
Gegevens transmissie
| xHTML | | |
| WAP | | |
| HSCSD | | |
| HSDPA | | |
| HSUPA | | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v1.2 | |
| HDMI | | |
| WiFi | | |
| WiFi frequenties | | |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi-hotspot | | |
| IrDA | | |
| USB | | v2.0 |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| Galileo | | |
| QZSS | | |
| NFC | | |
COMMUNICATIE EN BERICHTEN
| Call waiting | | |
| Video conferentie verbinding | | |
| Redirect | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | 500 contacten | |
| EMS | | |
| MMS | | |
| Predictive text | | |
| Swype | | |
| E-mailclient | | |
| QWERTY toetsenbord | | |
| RSS reader | | |
Multimedia
| Radio | | |
| MP3 bediening | | |
| Stereo speakers | | |
| Audio Jack | | 3.5 mm |
| HD Voice | | |
| Ringtone polyfoon | | |
| Video beltonen | | |
| Beltoon componist | | |
| Spelletjes | | |
| Java | | |
| Videoverbinding | | |
| DVB-H televisie | | |
| TV aansluiting | | |
PIM EN EXTRA FUNCTIES
| Klok | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Valuta Converter | | |
| Organizer | | |
| Agenda | | |
| Vliegtuigstand | | |
| SyncML | | |
| Data en fax | | |
| Schermbeveiliging | | |
| Thema's | | |
| Verwisselbare cover | | |
| Voice picking | | |
| Speaker | | |
| Memorecorder | | |
| Trilalarm | | |