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| Phone | Samsung SCH-A990 | ZTE Blade Z Max | Samsung Sidekick 4G |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
6" diag. 16 : 9 |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~267 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz |
| Battery | 1,000 mAh | 4,080 mAh | ? |
| Processor | ? | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) | 1 GHz Samsung Hummingbird Cortex A8 |
| RAM | ? | 2 GB | ? |
| Storage | ? raw hardware | 32 GB | ? raw hardware |
| Main Camera | 3 megapixel | 16 megapixel | 3 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | ? | 1080p HD | WVGA / 480p |
| Front Camera | - | 8 megapixel | Yes |
| Weight |
4.4 oz (125g) |
6.58 oz (186g) |
5.7 oz (162g) |
| Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm) |
5" x 2.42" x 0.6" (127 x 61 x 15.2 mm) |
| Form Factor | Clamshell | Slab | Slide |
| Platform / OS | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO r0 | LTE (Cat 6) | HSPA+ 21 |
| Features | |||
| Fingerprint Reader | - |
Yes stand-alone |
- |
| Flashlight | Yes | Yes | - |
| GPS / Location | Yes | n/a | n/a |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | Yes | - | - |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a |
| USB | Yes |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 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 |
| WAP / Web Browser | Yes | n/a | n/a |
| Input | |||
| Predictive Text Entry | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes |
| Touch Screen | - |
Yes Capacitive |
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 | |||
| FM Radio | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes |
| Music Player | Yes | n/a | n/a |
| Stereo Speakers | Yes | - | - |
| Photo & Video | |||
| DLNA | - | - | 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 |
| Voice Memo | Yes | n/a | n/a |
| Software | |||
| BREW | Yes | n/a | n/a |
| Games | Yes | n/a | n/a |
| Voice | |||
| HD Voice | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes |
| Samsung SCH-A990 | ZTE Blade Z Max | Samsung Sidekick 4G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A990 | ZTE Blade Z Max | Samsung Sidekick 4G |
