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| Phone | ZTE Obsidian | Sony Ericsson K850 | Samsung UpStage M620 | Asus ZenFone AR |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
2.2" diag. 4 : 3 |
2.1" diag. 4 : 3 |
5.7" diag. 16 : 9 |
| Display Resolution & Type |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~515 ppi) AMOLED |
| Display Refresh | 60 Hz | ? | ? | 60 Hz |
| Battery | 1,800 mAh | ? | 620 mAh | 3,300 mAh |
| Processor | 1 GHz MediaTek / MT6735M | ? | ? | 2.4 GHz Qualcomm Snapdragon 821 (MSM8996) |
| RAM | 1 GB | ? | ? | 6 GB * |
| Storage | 8 GB | ? raw hardware | ? raw hardware | 128 GB * |
| Main Camera | 5 megapixel | 5 megapixel | 1 megapixel | 23 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | ? | ? | 4K UHD |
| Front Camera | 2 megapixel | - | - | 8 megapixel |
| Weight |
4.66 oz (132g) |
4.2 oz (119g) |
2.57 oz (73g) |
6 oz (170g) |
| Dimensions |
5.41" x 2.7" x 0.39" (137 x 69 x 10 mm) |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
4.07" x 1.73" x 0.37" (103 x 44 x 9.4 mm) |
6.24" x 3.05" x 0.3" (158 x 77 x 7.6 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | Android | (proprietary) | (proprietary) | Android |
| Network Bands |
4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
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| Data Technology | LTE (Cat 4) | HSDPA 3.6 | EVDO r0 | LTE (Cat 11) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | Yes | - | - | Yes |
| GPS / Location | n/a | - | - | n/a |
| VR-ready | - | - | - | Yes |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | Yes | n/a |
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
- |
Yes M4 (very compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | Yes | - | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | 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 4 (802.11 b,g,n) |
- | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | Yes | Yes | n/a |
| Ringer ID | n/a | Yes | Yes | n/a |
| Voice Dialing | n/a | Yes | Yes | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | Yes | n/a |
| Custom Ringtones | n/a | Yes | Yes | n/a |
| Real-Music Ringers | n/a | Yes | Yes | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | - | n/a |
| Dual-SIM | - | - | - | Yes |
| External Antenna Jack | n/a | - | Yes | n/a |
| WAP / Web Browser | n/a | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | Yes | - | n/a |
| Instant Messaging | n/a | - | Yes | n/a |
| MMS | n/a | Yes | Yes | n/a |
| Text Messaging Templates | n/a | Yes | Yes | n/a |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | - | - | Yes |
| Music Player | n/a | Yes | Yes | n/a |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| Miracast | - | - | - | Yes |
| Video Calling | n/a | Yes * | - | n/a |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | n/a |
| Calculator | n/a | Yes | Yes | n/a |
| Calendar | n/a | Yes | Yes | n/a |
| To-Do List | n/a | Yes | Yes | n/a |
| Voice Memo | n/a | Yes | Yes | n/a |
| Software | ||||
| Games | n/a | Yes | Yes | n/a |
| Java (J2ME) | n/a | Yes | Yes | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| ZTE Obsidian | Sony Ericsson K850 | Samsung UpStage M620 | Asus ZenFone AR | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Obsidian | Sony Ericsson K850 | Samsung UpStage M620 | Asus ZenFone AR |
