Nokia 6820 vs Nokia E70
| Type | Other | Other |
| Dimensions | 107.00 x 47.00 x 20.00 mm | 117.00 x 53.00 x 22.00 mm |
| Weight | 100.00 g | 127.00 g |
| Display size | 1.60" | 2.10" |
| Display | Color / CSTN 4k colors 128 x 128 px (1.60") | Color / TFT 256k colors 352 x 416 px (2.10") 259 ppi |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 420 min. (7.0 h) | 2G: 462 min. (7.7 h) 3G: 240 min. (4.0 h) |
| Stand-by (max.) | 2G: 240 h. (10.0 days) | 2G: 348 h. (14.5 days) 3G: 384 h. (16.0 days) |
| Standard battery | Li-Ion 850 mAhBuy powerbank
| Li-Ion 1150 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Internal memory | 3.5 MB | 75 MB |
| Memory cards | |  miniSD |
| Operating system | - | Symbian 9.1 |
| Interface | Series 40 1st Edition | Series 60 3rd Edition |
| Processor clock | - | 220 MHz |
| Touchscreen | | |
| SAR (10g) | 0,72 W/kg | 1,01 W/kg |
| DualSIM | | |
| Other names | - | - |
| GSM frequencies | 900 1800 1900 | 900 1800 1900 |
| UMTS | | 2100 |
| LTE standard | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix |  | 2 Mpx |
| Resolution | 352x288 px | 1600x1200 px |
| Optical zoom | | |
| Digital zoom | | 8x |
| Flash | | |
| Dual-colour LED flash | | |
| Video resolution | 128x96 px | 352x288 px |
| Video formats | | 3GP, H.263 |
| Additional | - | - |
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 | v2.0 |
| HSCSD | | |
| HSUPA | | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | | class 10 |
| EDGE | | class 10 |
| Bluetooth | | v1.2 |
| HDMI | | |
| WiFi | | v802.11 g/e |
| WiFi frequencies | | 2,4 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | | v2.0 |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | v1.2 |
| Dictionary | T9 | T9 |
| Swype | | |
| e-mail client | POP3, SMTP, IMAP4, BlackBerry | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | | 3.5 mm |
| HD Voice | | |
| Sound formats | | AAC |
| Polyphony | | |
| Ring composer | | |
| Games | | |
| Java | MIDP 1.0 | MIDP 2.0 |
| Videophone | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |