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| Phone | Samsung Messager R450 | AT&T Vista | Samsung SGH-P850 / P858 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
5.5" diag. 18 : 9 |
? |
| Display Resolution & Type |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 960 mAh | 2,450 mAh | 950 mAh |
| Processor | ? | 2 GHz MediaTek Helio A22 (MT6761V) | ? |
| RAM | ? | 3 GB | ? |
| Storage | ? raw hardware | 32 GB | ? raw hardware |
| Main Camera | 1 megapixel | 8 megapixel | 3 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | 1080p HD | ? |
| Front Camera | - | 5 megapixel | - |
| Weight |
4.58 oz (130g) |
5.51 oz (156g) |
4.23 oz (120g) |
| Dimensions |
4.4" x 2" x 0.7" (112 x 51 x 17.8 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
3.77" x 1.86" x 0.96" (96 x 47 x 24.4 mm) |
| Form Factor | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1700, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
GSM: 900, 1800, 1900 |
| Data Technology | 1xRTT | LTE (Cat 4) | EDGE |
| Features | |||
| Flashlight | - | Yes | - |
| GPS / Location | Yes | n/a | - |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | - |
| Alerts | |||
| Extra Display | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| USB | Yes |
Yes USB Type C |
Yes |
| Wi-Fi | - | Yes | - |
| Contacts | |||
| Picture ID | Yes | n/a | Yes |
| Ringer ID | Yes | n/a | Yes |
| Voice Dialing | Yes | n/a | - |
| Customization | |||
| Custom Graphics | Yes | n/a | Yes |
| Custom Ringtones | Yes | n/a | Yes |
| Real-Music Ringers | - | n/a | Yes |
| Data & Network | |||
| 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 | Yes | Yes |
| Messaging | |||
| Email Client | - | n/a | Yes |
| MMS | Yes | n/a | Yes |
| Text Messaging Templates | Yes | n/a | Yes |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | - |
| Music Player | Yes | n/a | Yes |
| Stereo Speakers | - | - | Yes |
| Photo & Video | |||
| TV Output | - | - | Yes |
| Productivity | |||
| Alarm | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes |
| Calendar | Yes | 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 | |||
| HD Voice | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes |
| Samsung Messager R450 | AT&T Vista | Samsung SGH-P850 / P858 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Messager R450 | AT&T Vista | Samsung SGH-P850 / P858 |
