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| Phone | Samsung SPH-N270 (Matrix Phone) | Samsung SGH-X820 | Samsung VI-A820 | Alcatel Pop Astro |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
4.5" diag. 16 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
220 x 176 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 1,000 mAh | 650 mAh | 1,000 mAh | 2,000 mAh |
| Processor | ? | ? | ? | 1.5 GHz MediaTek MTK6732 |
| RAM | ? | ? | ? | 1 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 4 GB |
| Main Camera | - | 2 megapixel | - | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | - | 1080p HD |
| Front Camera | - | - | - | Yes |
| Weight |
4.66 oz (132g) |
2.33 oz (66g) |
3.14 oz (89g) |
5.11 oz (145g) |
| Dimensions |
4.53" x 2.28" x 0.79" (115 x 58 x 20.1 mm) |
4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm) |
3.56" x 1.88" x 1.06" (90 x 48 x 26.9 mm) |
5.23" x 2.57" x 0.39" (133 x 65 x 9.9 mm) |
| Form Factor | Slide | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | - | EDGE | 1xRTT | LTE (Cat 4) |
| Features | ||||
| Flashlight | - | - | - | Yes |
| GPS / Location | Yes | - | Yes | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | - | - | n/a |
| Hearing Aid Compatible | - | - | - |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | - | Yes |
| Mobile Hotspot | - | - | - | n/a |
| USB | - | Yes | - |
Yes Micro-USB |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | n/a |
| Ringer ID | Yes | Yes | Yes | n/a |
| Voice Dialing | Yes | - | Yes | n/a |
| Customization | ||||
| Custom Graphics | - | Yes | Yes | n/a |
| Custom Ringtones | - | Yes | Yes | n/a |
| Real-Music Ringers | - | Yes | - | n/a |
| Data & Network | ||||
| Data Tethering | - | - | - | n/a |
| External Antenna Jack | - | Yes | - | n/a |
| WAP / Web Browser | - | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | n/a |
| Side Keys | - | Yes | Yes | Yes |
| Touch Screen | - | - | - | Yes |
| Memory | ||||
| Memory Card Slot | - | - | - | Yes |
| Messaging | ||||
| Email Client | - | Yes | - | n/a |
| EMS / Picture Messaging | - | Yes | - | n/a |
| Instant Messaging | - | - | - | n/a |
| MMS | - | Yes | - | n/a |
| Text Messaging Templates | - | Yes | - | n/a |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | - | - | - | n/a |
| Photo & Video | ||||
| TV Output | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | n/a |
| To-Do List | Yes | Yes | Yes | n/a |
| Voice Memo | Yes | Yes | Yes | n/a |
| Software | ||||
| Games | - | Yes | Yes | n/a |
| Java (J2ME) | - | Yes | Yes | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | - | Yes | n/a |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | - | Yes | Yes | Yes |
| Samsung SPH-N270 (Matrix Phone) | Samsung SGH-X820 | Samsung VI-A820 | Alcatel Pop Astro | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SPH-N270 (Matrix Phone) | Samsung SGH-X820 | Samsung VI-A820 | Alcatel Pop Astro |
