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| Phone | Samsung SCH-A990 | HTC Amaze 4G | Samsung Galaxy A21 | Samsung MM-A940 | LG VX-1 / TM-520 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
4.3" diag. 16 : 9 |
6.5" diag. 20 : 9 |
? | ? |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
540 x 960 pixels (~256 ppi) LCD (TFT/TFD) |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
128 x 104 pixels |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | ? |
| Battery | 1,000 mAh | 1,730 mAh | 4,000 mAh | ? | 900 mAh |
| Processor | ? | 1.5 GHz Qualcomm Snapdragon S3 dual-core | 2 GHz MediaTek Helio P35 (MT6765) | ? | ? |
| RAM | ? | 1 GB | 3 GB | ? | ? |
| Storage | ? raw hardware | 16 GB | 32 GB | ? raw hardware | ? raw hardware |
| Main Camera | 3 megapixel | 8 megapixel | 16 megapixel | 2 megapixel | - |
| Wide Camera | - | - | 8 megapixel | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | 1080p HD | 1080p HD | ? | - |
| Front Camera | - | 2 megapixel | 13 megapixel | - | - |
| Weight |
4.4 oz (125g) |
6.1 oz (173g) |
6.81 oz (193g) |
4.9 oz (139g) |
3.8 oz (108g) |
| Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm) |
6.61" x 3.02" x 0.32" (168 x 77 x 8.1 mm) |
3.68" x 1.83" x 1.01" (93 x 46 x 25.7 mm) |
3.3" x 1.8" x 0.97" (84 x 46 x 24.6 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell | Clamshell |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | EVDO r0 | HSPA+ 42 | LTE (Cat 6) | EVDO r0 | 1xRTT |
| Features | |||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- | - |
| Flashlight | Yes | Yes | Yes | - | - |
| GPS / Location | Yes | n/a | n/a | Yes | - |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- | - |
| Multiple Languages | Yes | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | Yes | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | - |
| Mobile Hotspot | - | n/a | n/a | - | - |
| NFC | - | Yes | Yes | - | - |
| USB | Yes | Yes |
Yes USB Type C |
- | - |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | Yes | - |
| Ringer ID | Yes | n/a | n/a | Yes | - |
| Voice Dialing | Yes | n/a | n/a | Yes | Yes * |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | - |
| Custom Ringtones | Yes | n/a | n/a | Yes | - |
| Real-Music Ringers | Yes | n/a | n/a | - | - |
| Data & Network | |||||
| Data Tethering | Yes | n/a | n/a | Yes | Yes |
| WAP / Web Browser | Yes | n/a | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | Yes | 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 | Yes | Yes |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | - |
| Music Player | Yes | n/a | n/a | Yes | - |
| Stereo Speakers | Yes | - | - | - | - |
| Photo & Video | |||||
| DLNA | - | Yes | - | - | - |
| TV Output | Yes | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | Yes |
| Calculator | Yes | n/a | n/a | Yes | Yes |
| Calendar | Yes | n/a | n/a | Yes | Yes |
| To-Do List | - | n/a | n/a | Yes | - |
| Voice Memo | Yes | n/a | n/a | Yes | Yes * |
| Software | |||||
| BREW | Yes | n/a | n/a | - | - |
| Games | Yes | n/a | n/a | Yes | Yes |
| Java (J2ME) | - | n/a | n/a | Yes | - |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Headset Jack (2.5 mm) | - | n/a | n/a | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| * Some versions only | |||||
| Samsung SCH-A990 | HTC Amaze 4G | Samsung Galaxy A21 | Samsung MM-A940 | LG VX-1 / TM-520 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A990 | HTC Amaze 4G | Samsung Galaxy A21 | Samsung MM-A940 | LG VX-1 / TM-520 |
