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| Phone | Samsung Gravity TXT | Samsung M220 | Samsung SCH-A990 | HTC HD7 / HD7S |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
1.5" diag. 4 : 3 |
? |
4.3" diag. 5 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~137 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 1,000 mAh | 800 mAh | 1,000 mAh | 1,230 mAh |
| Processor | ? | ? | ? | 1 GHz Qualcomm Snapdragon S1 QSD8250 |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 16 GB |
| Main Camera | 2 megapixel | - | 3 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | - | ? | 720p HD |
| Front Camera | - | - | - | - |
| Weight |
3.95 oz (112g) |
3.1 oz (88g) |
4.4 oz (125g) |
5.71 oz (162g) |
| Dimensions |
4.41" x 2.09" x 0.55" (112 x 53 x 14 mm) |
3.5" x 1.9" x 0.8" (89 x 48 x 20.3 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.8" x 2.7" x 0.44" (122 x 69 x 11.2 mm) |
| Form Factor | Slide | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Windows |
| Network Bands |
WCDMA: 2, 4 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
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| Data Technology | HSPA 7.2 | 1xRTT | EVDO r0 | HSPA 7.2 |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | Yes | Yes | Yes | n/a |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
- |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | Yes | - |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| USB |
Yes Micro-USB |
Yes Micro-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 | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | Yes | - | Yes | n/a |
| Data & Network | ||||
| Data Tethering | - | Yes | Yes | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen | - | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | - |
| Messaging | ||||
| Email Client | Yes | - | - | n/a |
| EMS / Picture Messaging | - | - | Yes | n/a |
| Instant Messaging | Yes | - | - | n/a |
| MMS | Yes | - | Yes | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | - | Yes |
| Music Player | Yes | - | Yes | n/a |
| Stereo Speakers | - | - | Yes | Yes |
| 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 | - | n/a |
| Voice Memo | Yes | Yes | Yes | n/a |
| Software | ||||
| BREW | - | - | Yes | n/a |
| Games | Yes | Yes | Yes | n/a |
| Java (J2ME) | Yes | Yes | - | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | - | Yes | - | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Gravity TXT | Samsung M220 | Samsung SCH-A990 | HTC HD7 / HD7S | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Gravity TXT | Samsung M220 | Samsung SCH-A990 | HTC HD7 / HD7S |
