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| Phone | Samsung SGH-X820 | Asus ZenFone 4 | Nokia 6255i / 6256i |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
5.5" diag. 16 : 9 |
? |
| Display Resolution & Type |
220 x 176 pixels LCD (TFT/TFD) |
1080 x 1920 pixels (~401 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 650 mAh | 3,300 mAh | 1,070 mAh |
| Processor | ? | 2.2 GHz Qualcomm Snapdragon 630 | ? |
| RAM | ? | 4 GB | ? |
| Storage | ? raw hardware | 64 GB | ? raw hardware |
| Main Camera | 2 megapixel | 12 megapixel | Yes |
| Wide Camera | - | Yes | - |
| Tele Camera | - | - | - |
| Video Capture | ? | 4K UHD | ? |
| Front Camera | - | 8 megapixel | - |
| Weight |
2.33 oz (66g) |
5.47 oz (155g) |
4.23 oz (120g) |
| Dimensions |
4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm) |
6.12" x 2.96" x 0.3" (155 x 75 x 7.7 mm) |
3.36" x 1.87" x 0.97" (85 x 47 x 24.6 mm) |
| Form Factor | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 28 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | EDGE | LTE (Cat 12) | 1xRTT |
| Features | |||
| Fingerprint Reader | - |
Yes stand-alone |
- |
| Flashlight | - | Yes | - |
| GPS / Location | - | n/a | Yes |
| Accessibility | |||
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
| Multiple Languages | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | - | Yes |
| Alerts | |||
| Extra Display | - | - | Yes |
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Infrared (IR) | - | - | Yes |
| NFC | - | Yes | - |
| USB | Yes |
Yes USB Type C |
Yes |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,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 | Yes |
| Data & Network | |||
| Data Tethering | - | n/a | Yes |
| Dual-SIM | - | Yes | - |
| External Antenna Jack | Yes | n/a | - |
| WAP / Web Browser | Yes | n/a | Yes |
| Input | |||
| Predictive Text Entry | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | - | Yes | Yes |
| Messaging | |||
| Email Client | Yes | n/a | Yes |
| EMS / Picture Messaging | Yes | n/a | Yes * |
| MMS | Yes | n/a | Yes |
| Text Messaging Templates | Yes | n/a | Yes |
| Music | |||
| FM Radio | - | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | - |
| Music Player | - | n/a | Yes * |
| Photo & Video | |||
| Miracast | - | Yes | - |
| TV Output | Yes | - | - |
| Power | |||
| Fast Charging | - | Yes | - |
| Productivity | |||
| Alarm | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes |
| To-Do List | Yes | n/a | Yes |
| Voice Memo | Yes | n/a | Yes |
| Software | |||
| BREW | - | n/a | Yes * |
| Games | Yes | n/a | Yes |
| Java (J2ME) | Yes | n/a | Yes * |
| Voice | |||
| Headset Jack (2.5 mm) | - | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Samsung SGH-X820 | Asus ZenFone 4 | Nokia 6255i / 6256i | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X820 | Asus ZenFone 4 | Nokia 6255i / 6256i |
