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| Phone | Samsung PM-A840 | BlackBerry 7750 | Samsung SPH-N270 (Matrix Phone) | AT&T Vista | Samsung Galaxy S8+ |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? | ? |
5.5" diag. 18 : 9 |
6.2" diag. 18.5 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (STN) |
240 x 240 pixels LCD (Color) |
128 x 160 pixels LCD (TFT/TFD) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
1440 x 2960 pixels (~531 ppi) AMOLED |
| Display Refresh | ? | ? | ? | 60 Hz | 60 Hz |
| Battery | ? | ? | 1,000 mAh | 2,450 mAh | 3,500 mAh |
| Processor | ? | ? | ? | 2 GHz MediaTek Helio A22 (MT6761V) | 2.3 GHz Qualcomm Snapdragon 835 (MSM8998) |
| RAM | ? | ? | ? | 3 GB | 4 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 32 GB | 64 GB |
| Main Camera | Yes | - | - | 8 megapixel | 12 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | - | 1080p HD | 4K UHD |
| Front Camera | - | - | - | 5 megapixel | 8 megapixel |
| Weight |
3.28 oz (93g) |
5.01 oz (142g) |
4.66 oz (132g) |
5.51 oz (156g) |
6.1 oz (173g) |
| Dimensions |
3.54" x 1.85" x 0.94" (90 x 47 x 23.9 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
4.53" x 2.28" x 0.79" (115 x 58 x 20.1 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
6.28" x 2.89" x 0.32" (160 x 73 x 8.1 mm) |
| Form Factor | Clamshell | Slab | Slide | Slab | Slab |
| Platform / OS | (proprietary) | BlackBerry OS | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | 1xRTT | - | LTE (Cat 4) | LTE (Cat 16) |
| Features | |||||
| Fingerprint Reader | - | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | Yes | Yes |
| GPS / Location | Yes | n/a | Yes | n/a | n/a |
| VR-ready | - | - | - | - | Yes |
| Water-Resistant | - | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | - | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Ringer Profiles | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | - | - | - | Yes | Yes |
| MirrorLink | - | - | - | - | Yes |
| NFC | - | - | - | - | Yes |
| USB | - | Yes | - |
Yes USB Type C |
Yes USB Type C |
| Wi-Fi | - | - | - | Yes |
Yes 5 (802.11 a,ac,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 | Yes | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | - | n/a | n/a |
| Custom Ringtones | Yes | n/a | - | n/a | n/a |
| Data & Network | |||||
| WAP / Web Browser | Yes | n/a | - | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | - | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - | - |
| Touch Screen | - | - | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | - | - | Yes | Yes |
| Messaging | |||||
| Email Client | - | n/a | - | n/a | n/a |
| Text Messaging Templates | Yes | n/a | - | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | Yes | Yes |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Wireless 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 | Yes | n/a | Yes | n/a | n/a |
| Voice Memo | Yes | n/a | Yes | n/a | n/a |
| Software | |||||
| Games | Yes | n/a | - | n/a | n/a |
| Java (J2ME) | Yes | n/a | - | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | Yes | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | Yes | n/a | n/a |
| Speaker Phone | Yes | - | - | Yes | Yes |
| Samsung PM-A840 | BlackBerry 7750 | Samsung SPH-N270 (Matrix Phone) | AT&T Vista | Samsung Galaxy S8+ | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung PM-A840 | BlackBerry 7750 | Samsung SPH-N270 (Matrix Phone) | AT&T Vista | Samsung Galaxy S8+ |
