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| Phone | Nokia Lumia 900 | Samsung SGH-A657 | Motorola Rival A455 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
4.3" diag. 5 : 3 |
? |
2.2" diag. 4 : 3 |
| Display Resolution & Type |
480 x 800 pixels (~217 ppi) AMOLED |
176 x 220 pixels LCD (TFT/TFD) |
176 x 220 pixels (~131 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? |
| Battery | 1,830 mAh | 1,420 mAh | 940 mAh |
| Processor | 1.4 GHz Qualcomm S2 APQ8055 | ? | ? |
| RAM | 512 MB | ? | ? |
| Storage | 16 GB | ? raw hardware | ? raw hardware |
| Main Camera | 8 megapixel | - | 2 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 720p HD | - | QVGA (320 x 240) |
| Front Camera | 1 megapixel | - | - |
| Weight |
5.6 oz (159g) |
4.34 oz (123g) |
4.48 oz (127g) |
| Dimensions |
5.03" x 2.7" x 0.45" (128 x 69 x 11.4 mm) |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm) |
| Form Factor | Slab | Slab | Slide |
| Platform / OS | Windows | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
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| Data Technology | LTE (Cat 3) | HSDPA 3.6 | EVDO r0 |
| Features | |||
| Flashlight | - | Yes | - |
| GPS / Location | n/a | Yes | Yes |
| Ruggedized | - | Yes | - |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Mobile Hotspot | n/a | - | - |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi | Yes | - | - |
| Contacts | |||
| Picture ID | n/a | Yes | Yes |
| Ringer ID | n/a | Yes | Yes |
| Voice Dialing | n/a | - | Yes |
| Customization | |||
| Custom Graphics | n/a | Yes | Yes |
| Custom Ringtones | n/a | Yes | Yes |
| Real-Music Ringers | n/a | Yes | Yes |
| Data & Network | |||
| Data Tethering | n/a | Yes | Yes |
| WAP / Web Browser | n/a | Yes | Yes |
| Input | |||
| Predictive Text Entry | n/a | Yes | - |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes |
| Touch Screen |
Yes Capacitive |
- | Yes |
| Memory | |||
| Memory Card Slot | - | Yes | Yes |
| Messaging | |||
| Email Client | n/a | Yes | Yes |
| EMS / Picture Messaging | n/a | - | Yes |
| Instant Messaging | n/a | Yes | Yes |
| MMS | n/a | Yes | Yes |
| Text Messaging Templates | n/a | Yes | Yes |
| Music | |||
| FM Radio | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | - | Yes |
| Music Player | n/a | Yes | Yes |
| Productivity | |||
| Alarm | n/a | Yes | Yes |
| Calculator | n/a | Yes | Yes |
| Calendar | n/a | Yes | Yes |
| To-Do List | n/a | Yes | - |
| Voice Memo | n/a | Yes | Yes |
| Software | |||
| BREW | n/a | - | Yes |
| Games | n/a | Yes | Yes |
| Java (J2ME) | n/a | Yes | - |
| Voice | |||
| Push-To-Talk | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes |
| Nokia Lumia 900 | Samsung SGH-A657 | Motorola Rival A455 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 900 | Samsung SGH-A657 | Motorola Rival A455 |
