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| Phone | Samsung SGH-D307 | Samsung SGH-X820 | ZTE Groove | Samsung SCH-R410 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
3.2" diag. 5 : 3 |
? |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
220 x 176 pixels LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | ? | 650 mAh | 1,500 mAh | 800 mAh |
| Processor | ? | ? | 800 MHz Qualcomm MSM7627A | ? |
| RAM | ? | ? | 512 MB | ? |
| Storage | ? raw hardware | ? raw hardware | 1 GB | ? raw hardware |
| Main Camera | - | 2 megapixel | 3 megapixel | Yes |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | 720p HD | - |
| Front Camera | - | - | Yes | - |
| Weight |
4.3 oz (122g) |
2.33 oz (66g) |
4.5 oz (128g) |
3.4 oz (96g) |
| Dimensions |
3.7" x 1.9" x 0.85" (94 x 48 x 21.6 mm) |
4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm) |
4.67" x 2.46" x 0.55" (119 x 62 x 14 mm) |
3.9" x 1.9" x 0.57" (99 x 48 x 14.5 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 850, 1800, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
CDMA: 850, 1900 |
| Data Technology | EDGE | EDGE | EVDO rA | 1xRTT |
| Features | ||||
| GPS / Location | - | - | n/a | Yes |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4 (very compatible) |
- | - |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | - | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | - | n/a | - |
| USB | Yes | Yes |
Yes Micro-USB |
- |
| Wi-Fi | - | - | Yes | - |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | Yes |
| Ringer ID | Yes | Yes | n/a | Yes |
| Voice Dialing | Yes | - | n/a | Yes |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | Yes | Yes | n/a | - |
| Data & Network | ||||
| Data Tethering | Yes | - | n/a | - |
| External Antenna Jack | - | Yes | n/a | - |
| WAP / Web Browser | Yes | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | Yes |
| Touch Screen | - | - | Yes | - |
| Memory | ||||
| Memory Card Slot | - | - | Yes | - |
| Messaging | ||||
| Email Client | Yes | Yes | n/a | - |
| EMS / Picture Messaging | Yes | Yes | n/a | - |
| Instant Messaging | - | - | n/a | - |
| MMS | Yes | Yes | n/a | Yes |
| Text Messaging Templates | Yes | Yes | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | - | - | n/a | - |
| Photo & Video | ||||
| TV Output | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | n/a | Yes |
| To-Do List | Yes | Yes | n/a | - |
| Voice Memo | Yes | Yes | n/a | Yes |
| Software | ||||
| BREW | - | - | n/a | Yes |
| Games | Yes | Yes | n/a | Yes |
| Java (J2ME) | Yes | Yes | n/a | - |
| Voice | ||||
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SGH-D307 | Samsung SGH-X820 | ZTE Groove | Samsung SCH-R410 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-D307 | Samsung SGH-X820 | ZTE Groove | Samsung SCH-R410 |
