myPhone 6650 vs myPhone 6691
| Type | Bar (classic) | Bar (classic) | Touch | Touch |
| Dimensions | 105.00 x 48.00 x 13.00 mm | 110.00 x 50.00 x 15.00 mm | 104.00 x 54.90 x 14.40 mm | 113.50 x 55.50 x 14.30 mm |
| Weight | 68.00 g | 120.00 g | 105.00 g | 112.00 g |
| Display size | 1.80" | 2.40" | 2.80" | 3.20" |
| Display | Color / TFT (1.80") | Color / TFT 256k colors 240 x 320 px (2.40") 167 ppi | Color / TFT 256k colors 240 x 320 px (2.80") 143 ppi | Color / TFT 256k colors 240 x 400 px (3.20") 146 ppi |
| Display protection |   | | | |
| Additional display | | | | |
| Protection of the secondary display | | | | |
| Talk time (max.) | 2G: 300 min. (5.0 h) | 2G: 300 min. (5.0 h) | 2G: 840 min. (14.0 h) | 2G: 770 min. (12.8 h) |
| Stand-by (max.) | 2G: 192 h. (8.0 days) | 2G: 192 h. (8.0 days) | 2G: 480 h. (20.0 days) | 2G: 420 h. (17.5 days) |
| Standard battery | Li-Ion 800 mAhBuy powerbank
| Li-Ion 1300 mAhBuy powerbank
| Li-Ion 1200 mAhBuy powerbank
| Li-Ion 1200 mAhBuy powerbank
|
| Quick battery charging | | | | |
| Wireless battery charging | | | | |
| Phonebook memory | 800 places | 200 places | 1000 places | 1300 places |
| Internal memory | 0.4 MB | 32 MB | 30 MB | 270 MB |
| Memory cards |  microSD | | microSD, microSDHC up to 8 GBBuy memory card | microSD up to 16 GBBuy memory card |
| Interface | - | - | - | TouchWiz 2.0 Plus |
| Processor | - | MediaTek MT6225 | - | - |
| Processor clock | - | 104 MHz | - | - |
| Touchscreen | | | | |
| SAR (10g) |  | | | 0,705 W/kg |
| DualSIM | | | | |
| Hybrid DualSIM | | | | |
| Announced | | 4Q 2008 | | |
| Other names | - | Mastone V981 | DUOZ B5722 | Duoz B7722; Duos B7722; Star Duos; B7722i |
| GSM frequencies | 900 1800 | 900 1800 | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | | | | 2100 |
| LTE standard | | | | |
| CDMA | | | | |
| Standard TD-SCDMA | | | | |
| UMA | | | | |
CAMERAS - BACK
| First camera | | | | |
| Photo matrix | 0.3 Mpx | 0.3 Mpx | 3.2 Mpx | 5.2 Mpx |
| Resolution | 640x480 px | 640x480 px | 2048x1536 px | 2592x1944 px |
| Optical zoom | | | | |
| Digital zoom | 4x | | 4x | 4x |
| Flash | | | LED | LED |
| Dual-colour LED flash | | | | |
| Video resolution | 176x144 px | 176x144 px | | 320x240 px |
| Video formats | MPEG4, H.263 + AMR NB | | H.263, MPEG4 | H.263, MPEG4 - 30 fps |
| Additional | - | - | - | EIS |
CAMERAS - FRONT
| First camera | | | | |
| Photo matrix | nd | nd | nd | 0.3 Mpx |
| Resolution | nd | nd | nd | 640x480 px |
| Optical zoom | nd | nd | nd | |
| Flash | nd | nd | nd | |
| Dual-colour LED flash | nd | nd | nd | |
| Additional | nd | nd | 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 | v2.0 |
| HSCSD | | | | |
| HSDPA | | | | 3.60 Mbit/s |
| HSUPA | | | | |
| HSPA | | | | |
| HSPA+ | | | | |
| LTE DL | | | | |
| LTE UP | | | | |
| WIMAX+ | | | | |
| GPRS | | | class 12 | class 12 |
| EDGE | | | class 12 | class 12 |
| Bluetooth | | | v2.1 EDR | v2.1 |
| A2DP Profile | | | | |
| HDMI | | | | |
| WiFi | | | | v802.11 b/g |
| WiFi frequencies | | | | 2,4 GHz |
| WiFi Direct | | | | |
| WiFi Display | | | | |
| DLNA | | | | |
| Miracast | | | | |
| WiFi hotspot | | | | |
| IrDA | | | | |
| USB | | | v2.0 | v2.0 |
| GPS | | | | |
| A-GPS | | | | |
| Beidou | | | | |
| NFC | | | | |
COMMUNICATION AND MESSAGING
| Call waiting | | | | |
| Conferency | | | | |
| Call forwarding | | | | |
| Push To Talk | | | | |
| Instant Messenger | | | | |
| SMS | | | 300 places | |
| EMS | | | | |
| MMS | | | v1.2 | |
| Dictionary | OTHER | OTHER | T9 | T9 |
| Swype | | | | |
| e-mail client | | | | |
| Hardware QWERTY keyboard | | | | |
| RSS Reader | | | | |
Multimedia
| Radio | z RDS | | z RDS | z RDS |
| MP3 | | | | |
| Stereo speakers | | | | |
| Audio Jack | | | | |
| HD Voice | | | | |
| Sound formats | AMR, WAV | AMR, WAV | AAC, AAC+, AMR, WMA, eAAC+ | AAC, AAC+, AMR, WAV, WMA, eAAC+ |
| Polyphony | | | | 72 voices |
| Video ringtone | | | | |
| Ring composer | | | | |
| Games | | | | |
| Java | | | MIDP 2.0 | MIDP 2.1 |
| 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 | | | | |