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| Phone | Motorola Backflip | Motorola Droid 2 | Motorola V551 / V330 / V547 / V555 / V557 | Sony Ericsson Xperia X10 mini pro (2010) | Asus ZenFone AR |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
3.1" diag. 5 : 3 |
3.7" diag. 16 : 9 |
? |
2.6" diag. 4 : 3 |
5.7" diag. 16 : 9 |
| Display Resolution & Type |
320 x 480 pixels (~186 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~265 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~515 ppi) AMOLED |
| Display Refresh | 60 Hz | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | 1,400 mAh | 1,390 mAh | 820 mAh | 930 mAh | 3,300 mAh |
| Processor | 528 MHz Qualcomm MSM7201a | 1 GHz TI OMAP3620 | ? | 600 MHz Qualcomm S1 MSM7227 | 2.4 GHz Qualcomm Snapdragon 821 (MSM8996) |
| RAM | ? | ? | ? | ? | 6 GB * |
| Storage | ? raw hardware | 8 GB | ? raw hardware | ? raw hardware | 128 GB * |
| Main Camera | 5 megapixel | 5 megapixel | Yes | 5 megapixel | 23 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | CIF (352 x 288) | WVGA / 480p | ? | VGA (640 x 480) | 4K UHD |
| Front Camera | - | - | - | - | 8 megapixel |
| Weight |
4.7 oz (133g) |
5.96 oz (169g) |
4.23 oz (120g) |
4.2 oz (119g) |
6 oz (170g) |
| Dimensions |
4.25" x 2.09" x 0.6" (108 x 53 x 15.3 mm) |
4.58" x 2.38" x 0.54" (116 x 61 x 13.7 mm) |
3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm) |
3.5" x 2" x 0.7" (89 x 51 x 17.8 mm) |
6.24" x 3.05" x 0.3" (158 x 77 x 7.6 mm) |
| Form Factor | Clamshell | Slide | Clamshell | Slide | Slab |
| Platform / OS | Android | Android | (proprietary) | Android | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | HSPA 7.2 | EVDO rA | EDGE | HSPA 7.2 | LTE (Cat 11) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | - | Yes |
| GPS / Location | n/a | n/a | - | n/a | n/a |
| VR-ready | - | - | - | - | Yes |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- | - |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | - | - |
| Alerts | |||||
| Extra Display | - | - | Yes | - | - |
| Ringer Profiles | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | n/a | - | n/a | n/a |
| NFC | - | - | - | - | Yes |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi |
Yes 802.11 b,g |
Yes 4 (802.11 b,g,n) |
- | Yes |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | n/a | n/a | Yes | n/a | n/a |
| Ringer ID | n/a | n/a | Yes | n/a | n/a |
| Voice Dialing | n/a | n/a | Yes | n/a | n/a |
| Customization | |||||
| Custom Graphics | n/a | n/a | Yes | n/a | n/a |
| Custom Ringtones | n/a | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | n/a | Yes | n/a | n/a |
| Data & Network | |||||
| Data Tethering | n/a | n/a | Yes | n/a | n/a |
| Dual-SIM | - | - | - | - | Yes |
| WAP / Web Browser | n/a | n/a | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | n/a | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | Yes | - | Yes | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | Yes | Yes |
| Messaging | |||||
| Email Client | n/a | n/a | Yes | n/a | n/a |
| EMS / Picture Messaging | n/a | n/a | Yes | n/a | n/a |
| Instant Messaging | n/a | n/a | Yes | n/a | n/a |
| MMS | n/a | n/a | Yes | n/a | n/a |
| Text Messaging Templates | n/a | n/a | Yes | n/a | n/a |
| Music | |||||
| FM Radio | - | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | Yes | - | Yes | Yes |
| Music Player | n/a | n/a | - | n/a | n/a |
| Photo & Video | |||||
| DLNA | - | Yes | - | - | Yes |
| Miracast | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | n/a | n/a | Yes | n/a | n/a |
| Calculator | n/a | n/a | Yes | n/a | n/a |
| Calendar | n/a | n/a | Yes | n/a | n/a |
| To-Do List | n/a | n/a | - | n/a | n/a |
| Voice Memo | n/a | n/a | Yes | n/a | n/a |
| Software | |||||
| Games | n/a | n/a | Yes | n/a | n/a |
| Java (J2ME) | n/a | n/a | Yes | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | n/a | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Motorola Backflip | Motorola Droid 2 | Motorola V551 / V330 / V547 / V555 / V557 | Sony Ericsson Xperia X10 mini pro (2010) | Asus ZenFone AR | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola Backflip | Motorola Droid 2 | Motorola V551 / V330 / V547 / V555 / V557 | Sony Ericsson Xperia X10 mini pro (2010) | Asus ZenFone AR |
