Nokia 6600 Fold vs Nokia 6600 Slide
| Type | Clamshell | Slide |
| Dimensions | 87.70 x 44.00 x 15.90 mm | 90.00 x 45.00 x 14.00 mm |
| Weight | 110.00 g | 110.00 g |
| Display size | 2.13" | 2.20" |
| Display | Color / OLED 16M colors 240 x 320 px (2.13") | Color / TFT 16M colors 240 x 320 px (2.20") |
| Display protection |   | |
| Additional display | Mono / OLED 128 x 160 px (1.36") | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 240 min. (4.0 h) | 2G: 180 min. (3.0 h) 3G: 240 min. (4.0 h) |
| Stand-by (max.) | 2G: 300 h. (12.5 days) | 2G: 240 h. (10.0 days) 3G: 240 h. (10.0 days) |
| Standard battery | Li-Ion 860 mAhBuy powerbank
| Li-Ion 1000 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Internal memory | 15 MB | 20 MB |
| Memory cards |  microSD up to 4 GBBuy memory card | microSD |
| Operating system | - | Nokia OS |
| Interface | - | Series 40 5th Edition |
| Touchscreen | | |
| SAR (10g) | 0,61 W/kg | 0,51 W/kg |
| DualSIM | | |
| Announced | 3Q 2008 | 3Q 2008 |
| Other names | - | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 2100 | 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 | 8x | 8x |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video resolution | 640x480 px | 640x480 px |
| Video formats | MPEG4, H.263 - 15 fps | MPEG4, H.263 - 15 fps |
| Additional | - | - |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | 0.3 Mpx | 0.3 Mpx |
| Resolution | 640x480 px | 640x480 px |
| Optical zoom | | |
| Flash | | |
| Dual-colour LED flash | | |
| Additional | - | - |
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 | class 10 |
| EDGE | class 32 | class 6 |
| Bluetooth | v2.0 EDR | v2.0 |
| A2DP Profile | |  |
| HDMI | | |
| WiFi | | |
| WiFi frequencies | | |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | |
| 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, IMAP4, SMTP | |
| Hardware QWERTY keyboard | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | | |
| HD Voice | | |
| Sound formats | AAC, AAC+, WMA, eAAC+ | AAC, AAC+, WMA, eAAC+ |
| Polyphony | 64 voices | 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 | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | v1.1.2 | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |