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| Phone | Samsung SCH-A990 | Apple iPhone 4 (CDMA) | Samsung SGH-X640 | Motorola Moto z4 | HTC Desire 555 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
3.5" diag. 5 : 3 |
? |
6.4" diag. 19.5 : 9 |
5" diag. 16 : 9 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
1080 x 2340 pixels (~403 ppi) AMOLED |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | 1,000 mAh | ? | 800 mAh | 3,600 mAh | 2,200 mAh |
| Processor | ? | ? | ? | 2 GHz Qualcomm Snapdragon 675 | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) |
| RAM | ? | ? | ? | 4 GB | 2 GB |
| Storage | ? raw hardware | 8 GB * | ? raw hardware | 128 GB | 16 GB |
| Main Camera | 3 megapixel | 5 megapixel | Yes | 48 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | 720p HD | - | 4K UHD | 720p HD |
| Front Camera | - | Yes | - | 25 megapixel | 5 megapixel |
| Weight |
4.4 oz (125g) |
4.8 oz (136g) |
3 oz (85g) |
6 oz (170g) |
4.93 oz (140g) |
| Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
6.22" x 2.96" x 0.29" (158 x 75 x 7.4 mm) |
5.78" x 2.79" x 0.33" (147 x 71 x 8.4 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | iOS | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 28, 29, 30, 38, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO r0 | EVDO rA | GPRS | LTE (Cat 12) | LTE (Cat 4) |
| Features | |||||
| Fingerprint Reader | - | - | - | Yes | - |
| Flashlight | Yes | - | - | Yes | Yes |
| GPS / Location | Yes | n/a | - | n/a | n/a |
| Water-Resistant | - | - | - | Yes | - |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | - | n/a | n/a |
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
Yes * M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | - | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | - | Yes | Yes |
| Mobile Hotspot | - | n/a | - | n/a | n/a |
| NFC | - | - | - | Yes | - |
| USB | Yes | Yes | - |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 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 | - | 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 | Yes |
| Messaging | |||||
| Email Client | - | n/a | - | n/a | n/a |
| EMS / Picture Messaging | Yes | n/a | Yes | n/a | n/a |
| MMS | Yes | n/a | Yes | n/a | n/a |
| Text Messaging Templates | Yes | n/a | Yes | n/a | n/a |
| Music | |||||
| FM Radio | - | - | - | Yes | Yes |
| Headphone Jack (3.5mm) | - | Yes | - | Yes | Yes |
| Music Player | Yes | n/a | - | n/a | n/a |
| Stereo Speakers | Yes | - | - | - | - |
| Photo & Video | |||||
| DLNA | - | - | - | - | Yes |
| Miracast | - | - | - | - | Yes |
| TV Output | Yes | Yes | - | - | - |
| Video Calling | - | n/a | - | n/a | n/a |
| Power | |||||
| Fast Charging | - | - | - | 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 |
| 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 | |||||
| HD Voice | - | - | - | Yes | Yes |
| Headset Jack (2.5 mm) | - | n/a | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SCH-A990 | Apple iPhone 4 (CDMA) | Samsung SGH-X640 | Motorola Moto z4 | HTC Desire 555 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A990 | Apple iPhone 4 (CDMA) | Samsung SGH-X640 | Motorola Moto z4 | HTC Desire 555 |
