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| Phone | ZTE Obsidian | Apple iPhone 4 (GSM) | Samsung Stratosphere / Galaxy Metrix 4G | Samsung SCH-U550 | Samsung SCH-A890 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
3.5" diag. 5 : 3 |
4" diag. 5 : 3 |
2.1" diag. 4 : 3 |
? |
| Display Resolution & Type |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) AMOLED |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | 60 Hz | ? | ? |
| Battery | 1,800 mAh | ? | ? | 800 mAh | ? |
| Processor | 1 GHz MediaTek / MT6735M | Apple A4 | 1 GHz Samsung Cortex A8 Hummingbird | ? | ? |
| RAM | 1 GB | ? | ? | ? | ? |
| Storage | 8 GB | 32 GB * | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 5 megapixel | 5 megapixel | 5 megapixel | 1 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 720p HD | 720p HD | WVGA / 480p | ? | ? |
| Front Camera | 2 megapixel | Yes | 1 megapixel | - | - |
| Weight |
4.66 oz (132g) |
4.8 oz (136g) |
5.8 oz (164g) |
3.17 oz (90g) |
2.8 oz (79g) |
| Dimensions |
5.41" x 2.7" x 0.39" (137 x 69 x 10 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
4.96" x 2.54" x 0.55" (126 x 65 x 14 mm) |
3.76" x 1.92" x 0.68" (96 x 49 x 17.3 mm) |
3.5" x 1.97" x 0.98" (89 x 50 x 24.9 mm) |
| Form Factor | Slab | Slab | Slide | Clamshell | Clamshell |
| Platform / OS | Android | iOS | Android | (proprietary) | (proprietary) |
| Network Bands |
4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
|
| Data Technology | LTE (Cat 4) | HSPA 7.2 | LTE (Cat 3) | EVDO r0 | EVDO r0 |
| Features | |||||
| Flashlight | Yes | - | - | - | - |
| GPS / Location | n/a | n/a | n/a | Yes | Yes |
| Accessibility | |||||
| Adjustable Text Size | n/a | n/a | n/a | - | - |
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | n/a | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - | Yes |
| Alerts | |||||
| Extra Display | - | - | - | Yes | Yes |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | - |
| Mobile Hotspot | n/a | n/a | n/a | - | - |
| USB |
Yes Micro-USB |
Yes | Yes | - | - |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 a,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | n/a | n/a | n/a | Yes | Yes |
| Ringer ID | n/a | n/a | n/a | Yes | Yes |
| Voice Dialing | n/a | n/a | n/a | Yes | Yes |
| Customization | |||||
| Custom Graphics | n/a | n/a | n/a | Yes | Yes |
| Custom Ringtones | n/a | n/a | n/a | Yes | Yes |
| Real-Music Ringers | n/a | n/a | n/a | Yes | - |
| Data & Network | |||||
| Data Tethering | n/a | n/a | n/a | Yes | - |
| WAP / Web Browser | n/a | n/a | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | n/a | n/a | n/a | Yes | Yes |
| Side Keys | Yes | 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 | - | - |
| EMS / Picture Messaging | n/a | n/a | n/a | Yes | - |
| Instant Messaging | n/a | n/a | n/a | - | - |
| MMS | n/a | n/a | n/a | Yes | Yes |
| Text Messaging Templates | n/a | n/a | n/a | Yes | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - | - |
| Music Player | n/a | n/a | n/a | Yes | - |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| TV Output | - | Yes | - | - | - |
| Productivity | |||||
| Alarm | n/a | n/a | n/a | Yes | Yes |
| Calculator | n/a | n/a | n/a | Yes | Yes |
| Calendar | n/a | n/a | n/a | Yes | Yes |
| To-Do List | n/a | n/a | n/a | - | Yes |
| Voice Memo | n/a | n/a | n/a | Yes | Yes |
| Software | |||||
| BREW | n/a | n/a | n/a | Yes | Yes |
| Games | n/a | n/a | n/a | Yes | Yes |
| Voice | |||||
| Headset Jack (2.5 mm) | n/a | n/a | n/a | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| * Some versions only | |||||
| ZTE Obsidian | Apple iPhone 4 (GSM) | Samsung Stratosphere / Galaxy Metrix 4G | Samsung SCH-U550 | Samsung SCH-A890 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Obsidian | Apple iPhone 4 (GSM) | Samsung Stratosphere / Galaxy Metrix 4G | Samsung SCH-U550 | Samsung SCH-A890 |
