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| Phone | Nokia 7.1 | Samsung SCH-A990 | Samsung Galaxy Alpha | Samsung BlackJack SGH-i607 | ZTE Z431 / Altair |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
5.8" diag. 19 : 9 |
? |
4.7" diag. 16 : 9 |
? |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
1080 x 2280 pixels (~432 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
720 x 1280 pixels (~312 ppi) AMOLED |
320 x 240 pixels LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | ? | ? |
| Battery | 3,060 mAh | 1,000 mAh | 1,860 mAh | 1,200 mAh | 1,000 mAh |
| Processor | Qualcomm Snapdragon 636 | ? | 2.5 GHz Qualcomm Snapdragon 801 (MSM8974-AC) | ? | ? |
| RAM | 4 GB * | ? | 2 GB | ? | ? |
| Storage | 64 GB * | ? raw hardware | 32 GB | ? raw hardware | ? raw hardware |
| Main Camera | 12 megapixel | 3 megapixel | 12 megapixel | 1 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 4K UHD | ? | 4K UHD | QVGA (320 x 240) | QVGA (320 x 240) |
| Front Camera | 8 megapixel | - | 2 megapixel | - | - |
| Weight |
5.64 oz (160g) |
4.4 oz (125g) |
4.06 oz (115g) |
3.74 oz (106g) |
3.52 oz (100g) |
| Dimensions |
5.89" x 2.8" x 0.31" (150 x 71 x 8 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
5.21" x 2.58" x 0.26" (132 x 66 x 6.7 mm) |
4.45" x 2.32" x 0.46" (113 x 59 x 11.7 mm) |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab | Slab |
| Platform / OS | Android | (proprietary) | Android | Windows Mobile Standard | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
|
| Data Technology | LTE (Cat 6) | EVDO r0 | LTE (Cat 4) | HSDPA 1.8 | ? |
| Features | |||||
| Fingerprint Reader |
Yes stand-alone |
- | Yes | - | - |
| Flashlight | Yes | Yes | Yes | - | - |
| GPS / Location | n/a | Yes | n/a | n/a | Yes |
| Accessibility | |||||
| Adjustable Text Size | n/a | - | n/a | n/a | - |
| Hearing Aid Compatible | - |
Yes M3 (mostly compatible) |
Yes M3 (mostly compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | - |
| Ringer Profiles | - | - | - | Yes | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | - | n/a | n/a | - |
| NFC | Yes | - | Yes | - | - |
| USB |
Yes USB Type C |
Yes | Yes | Yes |
Yes Micro-USB |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | n/a | Yes | n/a | n/a | Yes |
| Ringer ID | n/a | Yes | n/a | n/a | Yes |
| Voice Dialing | n/a | Yes | n/a | n/a | - |
| Customization | |||||
| Custom Graphics | n/a | Yes | n/a | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | n/a | Yes |
| Real-Music Ringers | n/a | Yes | n/a | n/a | Yes |
| Data & Network | |||||
| Data Tethering | n/a | Yes | n/a | n/a | Yes |
| Dual-SIM | Yes | - | - | - | - |
| WAP / Web Browser | n/a | Yes | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | n/a | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | Yes | Yes |
| Messaging | |||||
| Email Client | n/a | - | n/a | n/a | Yes |
| EMS / Picture Messaging | n/a | Yes | n/a | n/a | - |
| Instant Messaging | n/a | - | n/a | n/a | - |
| MMS | n/a | Yes | n/a | n/a | Yes |
| Text Messaging Templates | n/a | Yes | n/a | n/a | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | Yes | - | Yes | - | Yes |
| Music Player | n/a | Yes | n/a | n/a | Yes |
| Stereo Speakers | - | Yes | Yes | - | - |
| Photo & Video | |||||
| TV Output | - | Yes | Yes | - | - |
| Power | |||||
| Fast Charging | Yes | - | - | - | - |
| Productivity | |||||
| Alarm | n/a | Yes | n/a | n/a | Yes |
| Calculator | n/a | Yes | n/a | n/a | Yes |
| Calendar | n/a | Yes | n/a | n/a | Yes |
| To-Do List | n/a | - | n/a | n/a | - |
| Voice Memo | n/a | Yes | n/a | n/a | Yes |
| Software | |||||
| BREW | n/a | Yes | n/a | n/a | Yes |
| Games | n/a | Yes | n/a | n/a | Yes |
| Java (J2ME) | n/a | - | n/a | n/a | - |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Nokia 7.1 | Samsung SCH-A990 | Samsung Galaxy Alpha | Samsung BlackJack SGH-i607 | ZTE Z431 / Altair | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia 7.1 | Samsung SCH-A990 | Samsung Galaxy Alpha | Samsung BlackJack SGH-i607 | ZTE Z431 / Altair |
