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| Phone | Motorola Charm | Microsoft Surface Duo 2 | Samsung SGH-A727 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.8" diag. 4 : 3 |
8.3" diag. 4 : 3 |
? |
| Display Resolution & Type |
320 x 240 pixels (~143 ppi) LCD (TFT/TFD) |
2688 x 1892 pixels (~396 ppi) AMOLED |
220 x 176 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 90 Hz | ? |
| Battery | 1,170 mAh | 4,449 mAh | ? |
| Processor | 720 MHz TI OMAP3410 | Qualcomm Snapdragon 888 | ? |
| RAM | ? | 8 GB | ? |
| Storage | ? raw hardware | 128 GB * | ? raw hardware |
| Main Camera | 3 megapixel | 12 megapixel | 1 megapixel |
| Wide Camera | - | 16 megapixel | - |
| Tele Camera | - | 12 megapixel | - |
| Video Capture | ? | 4K UHD | QCIF (176 x 144) |
| Front Camera | - | 12 megapixel | - |
| Weight |
3.88 oz (110g) |
10.02 oz (284g) |
2.82 oz (80g) |
| Dimensions |
3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm) |
5.72" x 3.63" x 0.43" (145 x 92 x 11 mm) |
4.51" x 2.01" x 0.35" (115 x 51 x 8.9 mm) |
| Form Factor | Slab | Unique | Slab |
| Platform / OS | Android | Android | (proprietary) |
| Network Bands |
5G: 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77-C, 78, 257, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | HSDPA 3.6 | NR (5G) | HSDPA 1.8 |
| Features | |||
| Fingerprint Reader | - |
Yes stand-alone |
- |
| Flashlight | - | Yes | - |
| GPS / Location | n/a | n/a | - |
| Accessibility | |||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes |
| Alerts | |||
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| NFC | - | Yes | - |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
| Contacts | |||
| Picture ID | n/a | n/a | Yes |
| Ringer ID | n/a | n/a | Yes |
| Voice Dialing | n/a | n/a | - |
| Customization | |||
| Custom Graphics | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | Yes |
| Data & Network | |||
| Data Tethering | n/a | n/a | Yes |
| Dual-SIM | - | Yes | - |
| WAP / Web Browser | n/a | n/a | Yes |
| Input | |||
| Predictive Text Entry | n/a | n/a | Yes |
| Side Keys | 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 | Yes |
| Instant Messaging | n/a | n/a | Yes |
| MMS | n/a | n/a | Yes |
| Text Messaging Templates | n/a | n/a | Yes |
| Music | |||
| Headphone Jack (3.5mm) | Yes | - | - |
| Music Player | n/a | n/a | Yes |
| Stereo Speakers | - | Yes | - |
| Photo & Video | |||
| Miracast | - | Yes | - |
| TV Output | - | Yes | - |
| Power | |||
| Fast Charging | - | Yes | - |
| Productivity | |||
| Alarm | n/a | n/a | Yes |
| Calculator | n/a | n/a | Yes |
| Calendar | n/a | n/a | Yes |
| To-Do List | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | Yes |
| Software | |||
| Games | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | Yes |
| Voice | |||
| HD Voice | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes |
| Motorola Charm | Microsoft Surface Duo 2 | Samsung SGH-A727 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola Charm | Microsoft Surface Duo 2 | Samsung SGH-A727 |
