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| Phone | ZTE Z431 / Altair | Nokia Lumia 920 | Sanyo RL-4920 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
4.5" diag. 5 : 3 |
? |
| Display Resolution & Type |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
768 x 1280 pixels (~332 ppi) LCD (TFT/TFD) |
128 x 112 pixels LCD (Color) |
| Display Refresh | ? | ? | ? |
| Battery | 1,000 mAh | 2,000 mAh | 1,700 mAh |
| Processor | ? | 1.5 GHz Qualcomm Snapdragon S4 | ? |
| RAM | ? | 1 GB | ? |
| Storage | ? raw hardware | 32 GB | ? raw hardware |
| Main Camera | 2 megapixel | 8 megapixel | - |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | QVGA (320 x 240) | 1080p HD | - |
| Front Camera | - | 1 megapixel | - |
| Weight |
3.52 oz (100g) |
6.53 oz (185g) |
4.03 oz (114g) |
| Dimensions |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
5.12" x 2.79" x 0.42" (130 x 71 x 10.7 mm) |
4.22" x 1.85" x 0.85" (107 x 47 x 21.6 mm) |
| Form Factor | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Windows | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | ? | LTE (Cat 3) | 1xRTT |
| Features | |||
| GPS / Location | Yes | n/a | Yes |
| Accessibility | |||
| Adjustable Text Size | - | n/a | - |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Ringer Profiles | Yes | - | - |
| Connectivity | |||
| Bluetooth | Yes | Yes | - |
| Mobile Hotspot | - | n/a | - |
| NFC | - | Yes | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
- |
| Contacts | |||
| Picture ID | Yes | n/a | Yes |
| Ringer ID | Yes | n/a | Yes |
| Voice Dialing | - | n/a | Yes |
| Customization | |||
| Custom Graphics | Yes | n/a | Yes |
| Custom Ringtones | Yes | n/a | Yes |
| Real-Music Ringers | Yes | n/a | - |
| Data & Network | |||
| Data Tethering | Yes | n/a | - |
| WAP / Web Browser | Yes | n/a | Yes |
| Input | |||
| Predictive Text Entry | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - |
| Touch Screen | - |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes | - | - |
| Messaging | |||
| Email Client | Yes | n/a | - |
| Instant Messaging | - | n/a | - |
| MMS | Yes | n/a | - |
| Text Messaging Templates | Yes | n/a | - |
| Music | |||
| Headphone Jack (3.5mm) | Yes | Yes | - |
| Music Player | Yes | n/a | - |
| Power | |||
| Wireless Charging | - | Yes | - |
| Productivity | |||
| Alarm | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes |
| To-Do List | - | n/a | Yes |
| Voice Memo | Yes | n/a | Yes |
| Software | |||
| BREW | Yes | n/a | - |
| Games | Yes | n/a | Yes |
| Java (J2ME) | - | n/a | Yes |
| Voice | |||
| Call Screening | - | - | Yes |
| Headset Jack (2.5 mm) | - | n/a | Yes |
| Push-To-Talk | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes |
| ZTE Z431 / Altair | Nokia Lumia 920 | Sanyo RL-4920 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z431 / Altair | Nokia Lumia 920 | Sanyo RL-4920 |
