Samsung GT-S3100 vs Nokia X7
| Type | Slide | Touch |
| Dimensions | 95.00 x 47.00 x 14.90 mm | 119.70 x 62.80 x 11.90 mm |
| Weight | 95.00 g | 146.00 g |
| Display size | 2.10" | 4.00" |
| Display | Color / TFT 256k colors 176 x 220 px (2.10") | Color / AMOLED 16M colors 360 x 640 px (4.00") 184 ppi |
| Display protection |   | Corning Gorilla Glass Buy screen protector
|
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 450 min. (7.5 h) | 2G: 390 min. (6.5 h) 3G: 270 min. (4.5 h) |
| Stand-by (max.) | 2G: 400 h. (16.7 days) | 2G: 450 h. (18.8 days) 3G: 450 h. (18.8 days) |
| Playback time (max.) | nd | Audio: 50 h (2.1 days) Video: 6 h (0.3 days) |
| Standard battery | Li-Ion 800 mAhBuy powerbank
| Li-Ion 1300 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Phonebook memory | 1000 places |  |
| Internal memory | 15 MB | 350 MB |
| RAM memory | | 256 MB |
| Memory cards |  microSD, microSDHC up to 8 GBBuy memory card | microSD, microSDHC up to 32 GBBuy memory card |
| Operating system | - | Symbian^3 Anna |
| Processor | - | ARM11 |
| Processor clock | - | 680 MHz |
| GPU | - | - |
| Touchscreen | | |
| DualSIM | | |
| Announced | | 2Q 2011 |
| Other names | - | X7-00; Journey |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | | 900 1700 1900 2100 |
| LTE standard | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 1.3 Mpx | 8 Mpx |
| Resolution | 1280x1024 px | 3264x2448 px |
| Optical zoom | | |
| Digital zoom | 2x | 2x |
| Flash | | 2x LED |
| Dual-colour LED flash | | |
| Video resolution | 176x144 px | 1280x720 px |
| Video formats | MPEG4, H.263 | H.263, H.264, MPEG4 - 25 fps |
| 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 | | |
| HSDPA | | 10.20 Mbit/s |
| HSUPA | | 2.00 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | class 10 | class 33 |
| EDGE | class 2 | class 33 |
| Bluetooth | v2.1 | v3.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | | v802.11 b/g/n |
| 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 | | |
| EMS | | |
| MMS | | v1.3 |
| Dictionary | T9 | XT9 |
| Swype | | |
| e-mail client | | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | z RDS | z RDS |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, AMR, WMA, eAAC+ | AAC, AAC+, AMR, WMA, eAAC+ |
| Polyphony | 64 voices | 64 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 | | v1.2 |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |