Nokia 6650 T-Mobile vs Nokia 3710 fold
| Type | Clamshell | Clamshell |
| Dimensions | 99.70 x 47.30 x 16.20 mm | 89.00 x 47.00 x 15.20 mm |
| Weight | 112.00 g | 94.00 g |
| Display size | 2.20" | 2.20" |
| Display | Color / TFT 16M colors 240 x 320 px (2.20") 182 ppi | Color / TFT 16M colors 240 x 320 px (2.20") |
| Display protection |   | |
| Additional display | Color / TFT | Mono / TFT 128 x 160 px (1.36") |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 360 min. (6.0 h) 3G: 240 min. (4.0 h) | 2G: 240 min. (4.0 h) 3G: 180 min. (3.0 h) |
| Stand-by (max.) | 2G: 348 h. (14.5 days) 3G: 348 h. (14.5 days) | 2G: 296 h. (12.3 days) 3G: 296 h. (12.3 days) |
| Standard battery | Li-Po 1500 mAhBuy powerbank
| Li-Ion 860 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Phonebook memory |  | 2000 places |
| Internal memory | 30 MB | 70 MB |
| Memory cards |  microSD, microSDHC up to 8 GBBuy memory card | microSD, microSDHC up to 8 GBBuy memory card |
| Operating system | Symbian 9.3 | Nokia OS |
| Interface | Series 60 3rd Edition | Series 40 6th Edition |
| Processor | ARM11 | - |
| Processor clock | 369 MHz | - |
| GPU | - | - |
| Touchscreen | | |
| SAR (10g) | 0,66 W/kg | |
| DualSIM | | |
| Announced | 3Q 2008 | 3Q 2009 |
| Other names | - | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 2100 | 1900 2100 |
| LTE standard | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 2 Mpx | 3.2 Mpx |
| Resolution | 1600x1200 px | 2048x1536 px |
| Optical zoom | | |
| Digital zoom | 4x | 4x |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video resolution | 240x320 px | |
| Video formats | H.263, MPEG4 - 15 fps | 3GP+AMR - 15 fps |
| Additional | - | - |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | nd | 0.3 Mpx |
| Resolution | nd | 640x480 px |
| Optical zoom | nd | |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Additional | 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 | | class 32 |
| EDGE | | class 32 |
| Bluetooth | v2.0 EDR | v2.1 EDR |
| A2DP Profile | | |
| HDMI | | |
| WiFi | | |
| WiFi frequencies | | |
| 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 | | |
| EMS | | |
| MMS | | v1.3 |
| Dictionary | T9 | T9 |
| Swype | | |
| e-mail client | POP3, IMAP, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | |
| HD Voice | | |
| Sound formats | AAC, AAC+, AMR, M4A, MP4, MXMF, RA, WAV, WMA, eAAC+ | AAC, AAC+, WMA, eAAC+ |
| Polyphony | | 64 voices |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | MIDP 2.1 | MIDP 2.0 |
| 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 | | |