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| Phone | Motorola Charm | Samsung Galaxy S II / SGH-i777 | LG Optimus G (CDMA) | Samsung MM-A940 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.8" diag. 4 : 3 |
4.3" diag. 5 : 3 |
4.7" diag. 5 : 3 |
? |
| Display Resolution & Type |
320 x 240 pixels (~143 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) AMOLED |
768 x 1280 pixels (~318 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | 60 Hz | ? |
| Battery | 1,170 mAh | 1,650 mAh | 2,100 mAh | ? |
| Processor | 720 MHz TI OMAP3410 | 1.2 GHz Samsung Exynos dual-core | 1.5 GHz Qualcomm Snapdragon S4 Pro | ? |
| RAM | ? | ? | 2 GB | ? |
| Storage | ? raw hardware | 16 GB | 32 GB | ? raw hardware |
| Main Camera | 3 megapixel | 8 megapixel | 13 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | 1080p HD | 1080p HD | ? |
| Front Camera | - | 2 megapixel | 1 megapixel | - |
| Weight |
3.88 oz (110g) |
4.3 oz (122g) |
5.11 oz (145g) |
4.9 oz (139g) |
| Dimensions |
3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm) |
4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm) |
5.19" x 2.71" x 0.33" (132 x 69 x 8.5 mm) |
3.68" x 1.83" x 1.01" (93 x 46 x 25.7 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell |
| Platform / OS | Android | Android | Android | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 25 CDMA: 800, 850, 1900 |
CDMA: 850, 1900 |
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| Data Technology | HSDPA 3.6 | HSPA+ 21 | LTE (Cat 3) | EVDO r0 |
| Features | ||||
| GPS / Location | n/a | n/a | n/a | Yes |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | n/a | - |
| Hearing Aid Compatible | - |
Yes M3 (mostly compatible) |
Yes M4 (very compatible) |
- |
| Multiple Languages | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | n/a | n/a | - |
| NFC | - | Yes | Yes | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes Micro-USB |
- |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 a,b,g,n) |
Yes 4 (802.11 a,b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | n/a | n/a | Yes |
| Ringer ID | n/a | n/a | n/a | Yes |
| Voice Dialing | n/a | n/a | n/a | Yes |
| Customization | ||||
| Custom Graphics | n/a | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | n/a | n/a | n/a | Yes |
| WAP / Web Browser | n/a | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| Email Client | n/a | n/a | n/a | - |
| Instant Messaging | n/a | n/a | n/a | - |
| MMS | n/a | n/a | n/a | - |
| Text Messaging Templates | n/a | n/a | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - |
| Music Player | n/a | n/a | n/a | Yes |
| Photo & Video | ||||
| DLNA | - | Yes | Yes | - |
| Miracast | - | - | Yes | - |
| TV Output | - | Yes | Yes | - |
| Productivity | ||||
| Alarm | n/a | n/a | n/a | Yes |
| Calculator | n/a | n/a | n/a | Yes |
| Calendar | n/a | n/a | n/a | Yes |
| To-Do List | n/a | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | n/a | Yes |
| Software | ||||
| Games | n/a | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | n/a | Yes |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | n/a | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Motorola Charm | Samsung Galaxy S II / SGH-i777 | LG Optimus G (CDMA) | Samsung MM-A940 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola Charm | Samsung Galaxy S II / SGH-i777 | LG Optimus G (CDMA) | Samsung MM-A940 |
