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| Phone | Samsung Heat | Samsung SGH-A157 | Samsung SGH-X820 | Samsung SCH-A930 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
1.8" diag. 4 : 3 |
? | ? |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
220 x 176 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 800 mAh | 800 mAh | 650 mAh | 1,000 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | 256 MB | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | - | 2 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | - | ? | ? |
| Front Camera | - | - | - | - |
| Weight |
3.17 oz (90g) |
2.99 oz (85g) |
2.33 oz (66g) |
3.98 oz (113g) |
| Dimensions |
3.6" x 1.8" x 0.6" (91 x 46 x 15.2 mm) |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm) |
3.59" x 1.89" x 0.98" (91 x 48 x 24.9 mm) |
| Form Factor | Slide | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | EVDO r0 | ? | EDGE | EVDO r0 |
| Features | ||||
| GPS / Location | Yes | Yes | - | Yes |
| Accessibility | ||||
| Adjustable Text Size | Yes | Yes | - | - |
| Hearing Aid Compatible |
Yes M4 (very compatible) |
Yes M4 (very compatible) |
- |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| USB | Yes |
Yes Micro-USB |
Yes | Yes |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | Yes |
| Ringer ID | Yes | Yes | Yes | Yes |
| Voice Dialing | - | - | - | Yes |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes | Yes |
| Real-Music Ringers | Yes | Yes | Yes | - |
| Data & Network | ||||
| External Antenna Jack | - | - | Yes | - |
| WAP / Web Browser | Yes | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | Yes |
| Side Keys | Yes | - | Yes | Yes |
| Memory | ||||
| Memory Card Slot | - | - | - | Yes |
| Messaging | ||||
| Email Client | - | - | Yes | - |
| EMS / Picture Messaging | - | - | Yes | Yes |
| Instant Messaging | - | - | - | Yes |
| MMS | Yes | Yes | Yes | Yes |
| Text Messaging Templates | Yes | Yes | Yes | - |
| Music | ||||
| Music Player | Yes | - | - | Yes |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| TV Output | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes | Yes |
| To-Do List | Yes | Yes | Yes | - |
| Voice Memo | Yes | Yes | Yes | Yes |
| Software | ||||
| BREW | - | - | - | Yes |
| Games | Yes | - | Yes | Yes |
| Java (J2ME) | - | - | Yes | - |
| Voice | ||||
| Headset Jack (2.5 mm) | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Heat | Samsung SGH-A157 | Samsung SGH-X820 | Samsung SCH-A930 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Heat | Samsung SGH-A157 | Samsung SGH-X820 | Samsung SCH-A930 |
