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| Phone | Samsung Array / Montage | LG AX-490 | Nokia Lumia 521 / 520 | Red Hydrogen One |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? |
4" diag. 5 : 3 |
5.7" diag. 16 : 9 |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~515 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 1,000 mAh | 1,100 mAh | 1,430 mAh | 4,510 mAh |
| Processor | 480 MHz Qualcomm QSC6155 | ? | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) |
| RAM | 128 MB | ? | 512 MB | 6 GB |
| Storage | 256 MB | ? raw hardware | 8 GB | 128 GB * |
| Main Camera | 2 megapixel | Yes | 5 megapixel | 12 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | - | 720p HD | 4K UHD |
| Front Camera | - | - | - | 8 megapixel |
| Weight |
4.14 oz (117g) |
3.79 oz (107g) |
4.39 oz (124g) |
9.63 oz (273g) |
| Dimensions |
4.41" x 2.12" x 0.59" (112 x 54 x 15 mm) |
3.74" x 1.92" x 1" (95 x 49 x 25.4 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
6.54" x 3.28" x 0.39" (166 x 83 x 10 mm) |
| Form Factor | Slide | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Windows | Android |
| Network Bands |
CDMA: 800, 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8, 19 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | 1xRTT | 1xRTT | HSPA+ 21 | LTE (Cat 12) |
| Features | ||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | Yes |
| GPS / Location | Yes | Yes | n/a | n/a |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | - | n/a | n/a |
| NFC | - | - | - | Yes |
| USB |
Yes Micro-USB |
Yes | Yes |
Yes USB Type C |
| Wi-Fi | - | - | Yes |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | n/a |
| Ringer ID | Yes | Yes | n/a | n/a |
| Voice Dialing | Yes | Yes | n/a | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | n/a | n/a |
| Real-Music Ringers | Yes | Yes | n/a | n/a |
| Data & Network | ||||
| Data Tethering | - | Yes | n/a | n/a |
| WAP / Web Browser | Yes | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | - | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | Yes | - | - |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | - | n/a | n/a |
| Instant Messaging | - | - | n/a | n/a |
| MMS | Yes | Yes | n/a | n/a |
| Text Messaging Templates | Yes | Yes | n/a | n/a |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | Yes | Yes |
| Music Player | Yes | - | n/a | n/a |
| Stereo Speakers | - | Yes | - | Yes |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a |
| To-Do List | - | - | n/a | n/a |
| Voice Memo | Yes | Yes | n/a | n/a |
| Software | ||||
| BREW | - | Yes | n/a | n/a |
| Games | Yes | Yes | n/a | n/a |
| Java (J2ME) | Yes | - | n/a | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | - | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Array / Montage | LG AX-490 | Nokia Lumia 521 / 520 | Red Hydrogen One | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Array / Montage | LG AX-490 | Nokia Lumia 521 / 520 | Red Hydrogen One |
