Sigma X-Treme ST68 vs Oppo U707T
| Type | Bar (classic) | Touch |
| Waterproofness & dust-resistance | IP68 |  |
| Dimensions | 145.00 x 70.00 x 23.00 mm | 152.00 x 75.80 x 9.40 mm |
| Weight | 179.00 g | 182.00 g |
| Display size | 2.80" | 5.50" |
| Display | Color / TFT 64k colors 240 x 320 px (2.80") 143 ppi | Color / IPS TFT 16M colors 720 x 1280 px (5.50") 267 ppi |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | | 2G: 1200 min. (20.0 h) 3G: 1320 min. (22.0 h) |
| Stand-by (max.) | | 2G: 600 h. (25.0 days) 3G: 600 h. (25.0 days) |
| Standard battery | Li-Ion 2600 mAhBuy powerbank
| Li-Ion 3000 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Phonebook memory | 500 places | |
| Internal memory | | 16 GB |
| RAM memory | | 1 GB |
| Memory cards |  microSD, microSDHC, microSDXC up to 32 GBBuy memory card | |
| Operating system | - | Android 4.2.1 Jelly Bean |
| Processor | MediaTek MT6260 | MediaTek MT6589 |
| Processor clock | - | 1200 MHz |
| GPU | - | PowerVR SGX544 MP1 @286 MHz |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard | DualSIM(microSIM, microSIM) | |
| DualSIM mode | dual standby | |
| Hybrid DualSIM | | |
| Other names | - | Find Way S |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | | |
| LTE standard | | |
| Standard 5G | | |
| CDMA | | |
| Standard TD-SCDMA | | 1900 2000 |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 0.3 Mpx | 8 Mpx |
| Resolution | 640x480 px | 3264x2448 px |
| Optical zoom | | |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video resolution | | 1920x1080 px |
| Video formats | | H.263, H.264, MPEG4 |
| Additional | FF | - |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | nd | 5 Mpx |
| Resolution | nd | 2592x1944 px |
| Optical zoom | nd | |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.263, H.264, MPEG4 |
| Additional | nd | AF |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | | v2.0 |
| HSCSD | | |
| HSDPA | | |
| HSUPA | | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | class 12 | |
| EDGE | | |
| Bluetooth | v3.0 EDR | |
| A2DP Profile | | |
| HDMI | | |
| WiFi | | v802.11 b/g/n |
| WiFi frequencies | | 2,4 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | Type-C | v2.0 |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | T9 | XT9 |
| Swype | | |
| e-mail client | | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | z RDS |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AMR, MID, WAV | AAC, AAC+, AMR, APE, FLAC, OGG, WAV, WMA, eAAC+ |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | | Dalvik |
| 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 | | |