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| Phone | Samsung Knack U310 | Samsung Vibrant (Galaxy S) | Essential Phone | Motorola Citrus | Nokia Lumia 810 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
4" diag. 5 : 3 |
5.7" diag. 17.5 : 9 |
3" diag. 4 : 3 |
4.3" diag. 5 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) AMOLED |
1312 x 2560 pixels (~504 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~133 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | 60 Hz | 60 Hz | ? |
| Battery | 1,000 mAh | 1,500 mAh | 3,040 mAh | 1,150 mAh | 1,800 mAh |
| Processor | ? | 1 GHz Samsung Hummingbird Cortex A8 | 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) | ? | 1.5 GHz Qualcomm Snapdragon |
| RAM | ? | ? | 4 GB | ? | 1 GB |
| Storage | ? raw hardware | 16 GB | 128 GB | ? raw hardware | 8 GB |
| Main Camera | - | 5 megapixel | 13 megapixel | 3 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 720p HD | 4K UHD | CIF (352 x 288) | 1080p HD |
| Front Camera | - | - | 8 megapixel | - | 1 megapixel |
| Weight |
3.63 oz (103g) |
4.16 oz (118g) |
6.53 oz (185g) |
3.88 oz (110g) |
5.11 oz (145g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
4.82" x 2.54" x 0.39" (122 x 65 x 9.9 mm) |
5.57" x 2.8" x 0.31" (141 x 71 x 7.8 mm) |
4.09" x 2.32" x 0.59" (104 x 59 x 15 mm) |
5" x 2.69" x 0.44" (127 x 68 x 11.2 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | Android | Windows |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 30, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | - | HSPA 7.2 | LTE (Cat 12) | EVDO r0 | HSPA+ 42 |
| Features | |||||
| Barometer | - | - | Yes | - | - |
| Fingerprint Reader | - | - |
Yes stand-alone |
- | - |
| Flashlight | - | - | Yes | - | - |
| GPS / Location | Yes | n/a | n/a | n/a | n/a |
| Accessibility | |||||
| Adjustable Text Size | Yes | n/a | n/a | n/a | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | - | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a | n/a | n/a |
| NFC | - | - | Yes | - | Yes |
| USB | - |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - | Yes |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 802.11 b,g |
Yes 4 (802.11 a,b,g,n) |
| Contacts | |||||
| Picture ID | - | n/a | n/a | n/a | n/a |
| Ringer ID | - | n/a | n/a | n/a | n/a |
| Voice Dialing | Yes | n/a | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | - | n/a | n/a | n/a | n/a |
| Custom Ringtones | - | n/a | n/a | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a | n/a | n/a |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | n/a | n/a |
| WAP / Web Browser | - | n/a | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | Yes | - | Yes | Yes |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a | n/a | n/a |
| Instant Messaging | - | n/a | n/a | n/a | n/a |
| MMS | - | n/a | n/a | n/a | n/a |
| Text Messaging Templates | - | n/a | n/a | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes | Yes |
| Music Player | - | n/a | n/a | n/a | n/a |
| Photo & Video | |||||
| DLNA | - | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Wireless Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | n/a |
| Calculator | Yes | n/a | n/a | n/a | n/a |
| Calendar | Yes | n/a | n/a | n/a | n/a |
| Voice Memo | - | n/a | n/a | n/a | n/a |
| Software | |||||
| Games | - | n/a | n/a | n/a | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung Knack U310 | Samsung Vibrant (Galaxy S) | Essential Phone | Motorola Citrus | Nokia Lumia 810 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | Samsung Vibrant (Galaxy S) | Essential Phone | Motorola Citrus | Nokia Lumia 810 |
