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| Phone | Samsung SCH-A990 | Samsung Captivate Glide | Samsung Knack U310 | Essential Phone | ZTE Blade Max 3 / Max Blue |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
4" diag. 5 : 3 |
2.2" diag. 4 : 3 |
5.7" diag. 17.5 : 9 |
6" diag. 16 : 9 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) AMOLED |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
1312 x 2560 pixels (~504 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | 1,000 mAh | 1,650 mAh | 1,000 mAh | 3,040 mAh | 4,000 mAh |
| Processor | ? | 1 GHz Nvidia Tegra 2 AP20H | ? | 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) | 2 GHz Qualcomm Snapdragon 625 (MSM8953) |
| RAM | ? | 1 GB | ? | 4 GB | 2 GB |
| Storage | ? raw hardware | 8 GB | ? raw hardware | 128 GB | 16 GB |
| Main Camera | 3 megapixel | 8 megapixel | - | 13 megapixel | 13 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | 720p HD | - | 4K UHD | 4K UHD |
| Front Camera | - | 1 megapixel | - | 8 megapixel | 5 megapixel |
| Weight |
4.4 oz (125g) |
5.2 oz (147g) |
3.63 oz (103g) |
6.53 oz (185g) |
6.34 oz (180g) |
| Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.88" x 2.55" x 0.51" (124 x 65 x 13 mm) |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
5.57" x 2.8" x 0.31" (141 x 71 x 7.8 mm) |
6.49" x 3.3" x 0.35" (165 x 84 x 8.9 mm) |
| Form Factor | Clamshell | Slide | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
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 |
4G LTE: 2, 4, 5, 12, 13, 25 WCDMA: 2, 4, 5 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO r0 | HSPA+ 21 | - | LTE (Cat 12) | LTE (Cat 4) |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
Yes stand-alone |
| Flashlight | Yes | - | - | Yes | Yes |
| GPS / Location | Yes | n/a | Yes | n/a | n/a |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | Yes | n/a | n/a |
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, 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 | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | - | Yes | Yes |
| Mobile Hotspot | - | n/a | - | n/a | n/a |
| NFC | - | - | - | Yes | - |
| USB | Yes |
Yes Micro-USB |
- |
Yes USB Type C |
Yes USB Type C |
| Wi-Fi | - | Yes | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | - | n/a | n/a |
| Ringer ID | Yes | n/a | - | n/a | n/a |
| Voice Dialing | Yes | n/a | Yes | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | - | n/a | n/a |
| Custom Ringtones | Yes | n/a | - | 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 | - | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - | - |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | - | Yes |
| Messaging | |||||
| Email Client | - | n/a | - | n/a | n/a |
| EMS / Picture Messaging | Yes | n/a | Yes | n/a | n/a |
| Instant Messaging | - | 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 | - | - | - |
| TV Output | Yes | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | n/a | n/a |
| Calculator | Yes | n/a | Yes | n/a | n/a |
| Calendar | Yes | n/a | Yes | n/a | n/a |
| Voice Memo | Yes | n/a | - | n/a | n/a |
| Software | |||||
| BREW | Yes | n/a | - | n/a | n/a |
| Games | Yes | n/a | - | n/a | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | - | n/a | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SCH-A990 | Samsung Captivate Glide | Samsung Knack U310 | Essential Phone | ZTE Blade Max 3 / Max Blue | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A990 | Samsung Captivate Glide | Samsung Knack U310 | Essential Phone | ZTE Blade Max 3 / Max Blue |
