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| Phone | Samsung SCH-A990 | ZTE Blade Vantage | Sanyo RL-4930 | Samsung Galaxy S6 (GSM) | Essential Phone |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
5" diag. 16 : 9 |
? |
5.1" diag. 16 : 9 |
5.7" diag. 17.5 : 9 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
128 x 112 pixels LCD (STN) |
1440 x 2560 pixels (~576 ppi) AMOLED |
1312 x 2560 pixels (~504 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | 1,000 mAh | 2,500 mAh | 1,700 mAh | 2,550 mAh | 3,040 mAh |
| Processor | ? | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | ? | 2.1 GHz Samsung Exynos 7420 | 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) |
| RAM | ? | 2 GB | ? | 3 GB | 4 GB |
| Storage | ? raw hardware | 16 GB | ? raw hardware | 32 GB * | 128 GB |
| Main Camera | 3 megapixel | 8 megapixel | - | 16 megapixel | 13 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | 720p HD | - | 4K UHD | 4K UHD |
| Front Camera | - | 2 megapixel | - | 5 megapixel | 8 megapixel |
| Weight |
4.4 oz (125g) |
5.29 oz (150g) |
4.4 oz (125g) |
4.87 oz (138g) |
6.53 oz (185g) |
| Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm) |
4.5" x 2" x 1" (114 x 51 x 25.4 mm) |
5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm) |
5.57" x 2.8" x 0.31" (141 x 71 x 7.8 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 13 |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 30, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | EVDO r0 | LTE (Cat 4) | 1xRTT | LTE (Cat 6) | LTE (Cat 12) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - | - | Yes |
Yes stand-alone |
| Flashlight | Yes | Yes | - | Yes | Yes |
| GPS / Location | Yes | n/a | Yes | n/a | n/a |
| Ruggedized | - | - | Yes | - | - |
| VR-ready | - | - | - | Yes | - |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | - | Yes | Yes |
| Infrared (IR) | - | - | - | Yes | - |
| MirrorLink | - | - | - | Yes | - |
| NFC | - | - | - | Yes | Yes |
| USB | Yes |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | Yes | n/a | n/a |
| Ringer ID | Yes | n/a | Yes | n/a | n/a |
| Voice Dialing | Yes | n/a | Yes | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | Yes | n/a | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a | n/a |
| Real-Music Ringers | Yes | n/a | - | n/a | n/a |
| Data & Network | |||||
| Data Tethering | Yes | n/a | - | n/a | n/a |
| WAP / Web Browser | Yes | n/a | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | - | - |
| Messaging | |||||
| EMS / Picture Messaging | Yes | n/a | - | n/a | n/a |
| MMS | Yes | n/a | - | n/a | n/a |
| Text Messaging Templates | Yes | n/a | - | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes | - |
| Music Player | Yes | n/a | - | n/a | n/a |
| Stereo Speakers | Yes | - | - | - | - |
| Photo & Video | |||||
| DLNA | - | - | - | Yes | - |
| Miracast | - | - | - | Yes | - |
| TV Output | Yes | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | Yes |
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | n/a | n/a |
| Calculator | Yes | n/a | - | n/a | n/a |
| Calendar | Yes | n/a | Yes | n/a | n/a |
| To-Do List | - | n/a | Yes | n/a | n/a |
| Voice Memo | Yes | n/a | Yes | n/a | n/a |
| Software | |||||
| BREW | Yes | n/a | - | n/a | n/a |
| Games | Yes | n/a | Yes | n/a | n/a |
| Java (J2ME) | - | n/a | Yes | n/a | n/a |
| Voice | |||||
| Call Screening | - | - | Yes | - | - |
| HD Voice | - | Yes | - | Yes | - |
| Push-To-Talk | - | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SCH-A990 | ZTE Blade Vantage | Sanyo RL-4930 | Samsung Galaxy S6 (GSM) | Essential Phone | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A990 | ZTE Blade Vantage | Sanyo RL-4930 | Samsung Galaxy S6 (GSM) | Essential Phone |
