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| Phone | ZTE Z432 / Altair 2 | Samsung Galaxy S 4 (GSM) | HTC Droid Eris | Samsung SGH-D520 | BlackBerry Key2 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
5" diag. 16 : 9 |
3.2" diag. 5 : 3 |
? |
4.5" diag. 5 : 3 |
| Display Resolution & Type |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~441 ppi) AMOLED |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
1080 x 1620 pixels (~433 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | 60 Hz |
| Battery | 900 mAh | 2,600 mAh | 1,300 mAh | 800 mAh | 3,500 mAh |
| Processor | Qualcomm QSC6270 | 1.9 GHz Qualcomm Snapdragon 600 8064T | 528 MHz MSM7600 | ? | 2.2 GHz Qualcomm Snapdragon 660 |
| RAM | 128 MB | 2 GB | ? | ? | 6 GB |
| Storage | 256 MB | 16 GB * | ? raw hardware | ? raw hardware | 64 GB * |
| Main Camera | 2 megapixel | 13 megapixel | 5 megapixel | 1 megapixel | 12 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | 12 megapixel |
| Video Capture | QVGA (320 x 240) | 1080p HD | CIF (352 x 288) | CIF (352 x 288) | 4K UHD |
| Front Camera | - | 2 megapixel | - | - | 8 megapixel |
| Weight |
3.24 oz (92g) |
4.59 oz (130g) |
4.43 oz (126g) |
3.32 oz (94g) |
5.93 oz (168g) |
| Dimensions |
4.48" x 2.38" x 0.44" (114 x 60 x 11.2 mm) |
5.38" x 2.75" x 0.31" (137 x 70 x 7.9 mm) |
4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm) |
3.98" x 1.81" x 0.63" (101 x 46 x 16 mm) |
5.96" x 2.82" x 0.33" (151 x 72 x 8.4 mm) |
| Form Factor | Slab | Slab | Slab | Slide | Slab |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | Android |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 1900 |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 28, 29, 30, 38, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
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| Data Technology | HSDPA 3.6 | LTE (Cat 3) | EVDO rA | GPRS | LTE (Cat 11) |
| Features | |||||
| Fingerprint Reader | - | - | - | - |
Yes stand-alone |
| Flashlight | - | Yes | - | - | Yes |
| GPS / Location | Yes | n/a | n/a | - | n/a |
| Accessibility | |||||
| Adjustable Text Size | Yes | n/a | n/a | - | n/a |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil 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 | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - | - | - |
| Mobile Hotspot | - | n/a | n/a | - | n/a |
| NFC | - | Yes | - | - | Yes |
| USB |
Yes Micro-USB |
Yes |
Yes Mini-USB |
- |
Yes USB Type C |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 802.11 b,g |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | Yes | n/a |
| Ringer ID | Yes | n/a | n/a | Yes | n/a |
| Voice Dialing | - | n/a | n/a | - | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | n/a |
| Custom Ringtones | - | n/a | n/a | Yes | n/a |
| Real-Music Ringers | Yes | n/a | n/a | - | n/a |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | Yes | n/a |
| External Antenna Jack | - | n/a | n/a | Yes | n/a |
| WAP / Web Browser | Yes | n/a | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | Yes | n/a | n/a | Yes | n/a |
| Instant Messaging | - | n/a | n/a | - | n/a |
| MMS | Yes | n/a | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | n/a | Yes | n/a |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - | Yes |
| Music Player | Yes | n/a | n/a | - | n/a |
| Photo & Video | |||||
| DLNA | - | Yes | - | - | - |
| Miracast | - | Yes | - | - | - |
| TV Output | - | Yes | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | n/a |
| Calculator | Yes | n/a | n/a | Yes | n/a |
| Calendar | Yes | n/a | n/a | Yes | n/a |
| To-Do List | - | n/a | n/a | Yes | n/a |
| Voice Memo | Yes | n/a | n/a | Yes | n/a |
| Software | |||||
| Games | - | n/a | n/a | Yes | n/a |
| Java (J2ME) | - | n/a | n/a | Yes | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| ZTE Z432 / Altair 2 | Samsung Galaxy S 4 (GSM) | HTC Droid Eris | Samsung SGH-D520 | BlackBerry Key2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z432 / Altair 2 | Samsung Galaxy S 4 (GSM) | HTC Droid Eris | Samsung SGH-D520 | BlackBerry Key2 |
