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| Phone | Nokia Lumia 900 | Sonim XP5s | Samsung SCH-A990 | AT&T Vista |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.3" diag. 5 : 3 |
2.6" diag. 4 : 3 |
? |
5.5" diag. 18 : 9 |
| Display Resolution & Type |
480 x 800 pixels (~217 ppi) AMOLED |
320 x 432 pixels (~204 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 1,830 mAh | 3,180 mAh | 1,000 mAh | 2,450 mAh |
| Processor | 1.4 GHz Qualcomm S2 APQ8055 | 1.4 GHz Qualcomm Snapdragon 427 (MSM8920) | ? | 2 GHz MediaTek Helio A22 (MT6761V) |
| RAM | 512 MB | 2 GB | ? | 3 GB |
| Storage | 16 GB | 16 GB | ? raw hardware | 32 GB |
| Main Camera | 8 megapixel | 5 megapixel | 3 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | 720p HD | ? | 1080p HD |
| Front Camera | 1 megapixel | - | - | 5 megapixel |
| Weight |
5.6 oz (159g) |
9.17 oz (260g) |
4.4 oz (125g) |
5.51 oz (156g) |
| Dimensions |
5.03" x 2.7" x 0.45" (128 x 69 x 11.4 mm) |
5.55" x 2.52" x 0.91" (141 x 64 x 23 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | Windows | (proprietary) | (proprietary) | Android |
| Network Bands |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 25, 26, 28, 30, 38, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
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| Data Technology | LTE (Cat 3) | LTE (Cat 4) | EVDO r0 | LTE (Cat 4) |
| Features | ||||
| Barometer | - | Yes | - | - |
| Flashlight | - | Yes | Yes | Yes |
| GPS / Location | n/a | Yes | Yes | n/a |
| Ruggedized | - | Yes | - | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | Yes | - | n/a |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | Yes | - | n/a |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes |
Yes USB Type C |
| Wi-Fi | Yes |
Yes 5 (802.11 a,ac,b,g,n) |
- | Yes |
| Contacts | ||||
| Picture ID | n/a | Yes | Yes | n/a |
| Ringer ID | n/a | Yes | Yes | n/a |
| Voice Dialing | n/a | - | Yes | n/a |
| Customization | ||||
| Custom Graphics | n/a | - | Yes | n/a |
| Custom Ringtones | n/a | Yes | Yes | n/a |
| Real-Music Ringers | n/a | - | Yes | n/a |
| Data & Network | ||||
| Data Tethering | n/a | - | Yes | n/a |
| Dual-SIM | - | Yes | - | - |
| WAP / Web Browser | n/a | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | - | - | n/a |
| EMS / Picture Messaging | n/a | - | Yes | n/a |
| Instant Messaging | n/a | - | - | n/a |
| MMS | n/a | Yes | Yes | n/a |
| Text Messaging Templates | n/a | Yes | Yes | n/a |
| Music | ||||
| FM Radio | Yes | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | - | - | Yes |
| Music Player | n/a | Yes | Yes | n/a |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| TV Output | - | - | Yes | - |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | n/a |
| Calculator | n/a | Yes | Yes | n/a |
| Calendar | n/a | Yes | Yes | n/a |
| Voice Memo | n/a | Yes | Yes | n/a |
| Software | ||||
| BREW | n/a | - | Yes | n/a |
| Games | n/a | - | Yes | n/a |
| Voice | ||||
| HD Voice | - | Yes | - | Yes |
| Push-To-Talk | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Nokia Lumia 900 | Sonim XP5s | Samsung SCH-A990 | AT&T Vista | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 900 | Sonim XP5s | Samsung SCH-A990 | AT&T Vista |
