Doro 6040 vs Doro 6820
| Type | Clamshell | Clamshell |
| Dimensions | 106.70 x 57.00 x 20.00 mm | 107.00 x 56.00 x 20.00 mm |
| Weight | 118.00 g | 117.00 g |
| Display size | 2.80" | 2.80" |
| Display | Color 256k colors 240 x 320 px (2.80") 143 ppi | Color / IPS TFT 256k colors 240 x 320 px (2.80") 141 ppi |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 400 min. (6.7 h) | 2G: 420 min. (7.0 h) |
| Stand-by (max.) | 2G: 420 h. (17.5 days) | 2G: 380 h. (15.8 days) |
| Standard battery | Li-Ion 1000 mAhBuy powerbank
| Li-Ion 1000 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Phonebook memory | 500 places | 500 places |
| Internal memory |  | 128 MB |
| RAM memory | | 64 MB |
| Memory cards |  microSD, microSDHC | microSD, microSDHC, microSDXC up to 128 GBBuy memory card |
| Operating system | - | Mocor OS |
| Processor | MediaTek MT6260A | Unisoc UMS9117 |
| Processor clock | - | 1000 MHz |
| GPU | - | - |
| Touchscreen | | |
| SAR (10g) | 1,432 W/kg | 1,463 W/kg |
| DualSIM | | |
| SIM cards standard | DualSIM(microSIM, microSIM) | SingleSIM(microSIM) |
| DualSIM mode | dual standby | nd |
| Hybrid DualSIM | | nd |
| Other names | - | - |
| GSM frequencies | 850 900 1800 1900 | 900 1800 1900 |
| UMTS | | 900 2100 |
| LTE standard | | FDD LTE: 2600, 2100, 1800, 900, 800, 700 TDD LTE: 2600 |
| Standard 5G | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Camera type | Standard | |
| Photo matrix | 3 Mpx | 2 Mpx |
| Optical zoom | | |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video formats | nd | H.263, H.264, MPEG4 |
| Additional | FF | FF |
CAMERAS - FRONT
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | | v2.0 |
| HSCSD | | |
| HSDPA | | 21.10 Mbit/s |
| HSUPA | | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | - |
| LTE UP | | 51.00 Mbit/s |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v3.0 | v5.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | | |
| WiFi frequencies | | |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | | |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | T9 | |
| Swype | | |
| e-mail client | | |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | | AAC, AAC+, AMR, MID, WAV, eAAC+ |
| Polyphony | 7 voices | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Vibrations | | |