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| Phone | Samsung SCH-A990 | Huawei W1 | Asus ZenFone 4 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
4" diag. 5 : 3 |
5.5" diag. 16 : 9 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~401 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz |
| Battery | 1,000 mAh | 1,950 mAh | 3,300 mAh |
| Processor | ? | 1.2 GHz Qualcomm Snapdragon 400 MSM8230 | 2.2 GHz Qualcomm Snapdragon 630 |
| RAM | ? | 512 MB | 4 GB |
| Storage | ? raw hardware | 4 GB | 64 GB |
| Main Camera | 3 megapixel | 5 megapixel | 12 megapixel |
| Wide Camera | - | - | Yes |
| Tele Camera | - | - | - |
| Video Capture | ? | 720p HD | 4K UHD |
| Front Camera | - | Yes | 8 megapixel |
| Weight |
4.4 oz (125g) |
4.41 oz (125g) |
5.47 oz (155g) |
| Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.84" x 2.5" x 0.41" (123 x 64 x 10.4 mm) |
6.12" x 2.96" x 0.3" (155 x 75 x 7.7 mm) |
| Form Factor | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | Windows | Android |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 2, 4, 5 GSM: 850, 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 |
| Data Technology | EVDO r0 | HSPA+ 21 | LTE (Cat 12) |
| Features | |||
| Fingerprint Reader | - | - |
Yes stand-alone |
| Flashlight | Yes | - | Yes |
| GPS / Location | Yes | n/a | n/a |
| Accessibility | |||
| Adjustable Text Size | - | n/a | n/a |
| Hearing Aid Compatible | Yes | Yes | Yes |
| Multiple Languages | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | - |
| Alerts | |||
| Extra Display | Yes | - | - |
| Connectivity | |||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| NFC | - | - | Yes |
| 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) |
| Contacts | |||
| Picture ID | Yes | n/a | n/a |
| Ringer ID | Yes | n/a | n/a |
| Voice Dialing | Yes | n/a | n/a |
| Customization | |||
| Custom Graphics | Yes | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a |
| Real-Music Ringers | Yes | n/a | n/a |
| Data & Network | |||
| Data Tethering | Yes | n/a | n/a |
| Dual-SIM | - | - | Yes |
| WAP / Web Browser | Yes | n/a | n/a |
| Input | |||
| Predictive Text Entry | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - | Yes | Yes |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Messaging | |||
| Email Client | - | n/a | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a |
| Instant Messaging | - | n/a | n/a |
| MMS | Yes | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | Yes |
| Music Player | Yes | n/a | n/a |
| Stereo Speakers | Yes | - | - |
| Photo & Video | |||
| Miracast | - | - | Yes |
| TV Output | Yes | - | - |
| Power | |||
| Fast Charging | - | - | Yes |
| Productivity | |||
| Alarm | Yes | n/a | n/a |
| Calculator | Yes | n/a | n/a |
| Calendar | Yes | n/a | n/a |
| To-Do List | - | n/a | n/a |
| Voice Memo | Yes | n/a | n/a |
| Software | |||
| BREW | Yes | n/a | n/a |
| Games | Yes | n/a | n/a |
| Voice | |||
| Speaker Phone | Yes | Yes | Yes |
| Samsung SCH-A990 | Huawei W1 | Asus ZenFone 4 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A990 | Huawei W1 | Asus ZenFone 4 |
