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| Phone | ZTE Grand X 3 | Samsung SGH-A157 | Samsung Ace SPH-i325 | Nokia N81 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
5.5" diag. 16 : 9 |
1.8" diag. 4 : 3 |
2.3" diag. 4 : 3 |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~174 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? | ? |
| Battery | 3,080 mAh | 800 mAh | 1,300 mAh | 1,050 mAh |
| Processor | 1.3 GHz Qualcomm Snapdragon 210 (MSM8909) | ? | 416 MHz PXA270 | 369 MHz ARM 11 |
| RAM | 2 GB | ? | ? | ? |
| Storage | 16 GB | 256 MB | ? raw hardware | 8 GB * |
| Main Camera | 8 megapixel | - | 1 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | - | QVGA (320 x 240) | VGA (640 x 480) |
| Front Camera | 2 megapixel | - | - | - |
| Weight |
6 oz (170g) |
2.99 oz (85g) |
3.9 oz (111g) |
4.94 oz (140g) |
| Dimensions |
6.07" x 2.99" x 0.37" (154 x 76 x 9.4 mm) |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
4.65" x 2.32" x 0.46" (118 x 59 x 11.7 mm) |
4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm) |
| Form Factor | Slab | Clamshell | Slab | Slide |
| Platform / OS | Android | (proprietary) | Windows Mobile Standard | S60 (Symbian) |
| Network Bands |
4G LTE: 2, 4, 5, 12 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 GSM: 900, 1800 |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 4) | ? | EVDO r0 | EDGE |
| Features | ||||
| Flashlight | Yes | - | - | - |
| GPS / Location | n/a | Yes | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | n/a | Yes | n/a | n/a |
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Ringer Profiles | - | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| USB |
Yes USB Type C |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- | - |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | n/a |
| Ringer ID | n/a | Yes | n/a | n/a |
| Voice Dialing | n/a | - | n/a | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | Yes | n/a | n/a |
| Data & Network | ||||
| Data Tethering | n/a | - | n/a | n/a |
| WAP / Web Browser | n/a | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | n/a |
| Side Keys | Yes | - | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen |
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 | Yes | n/a | n/a |
| Text Messaging Templates | n/a | Yes | n/a | n/a |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | - | Yes |
| Music Player | n/a | - | n/a | n/a |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| Video Calling | n/a | - | n/a | n/a |
| Power | ||||
| Fast Charging | Yes | - | - | - |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | n/a |
| Calculator | n/a | Yes | n/a | n/a |
| Calendar | n/a | Yes | n/a | n/a |
| To-Do List | n/a | Yes | n/a | n/a |
| Voice Memo | n/a | Yes | n/a | n/a |
| Software | ||||
| Games | n/a | - | n/a | n/a |
| Java (J2ME) | n/a | - | n/a | n/a |
| Voice | ||||
| HD Voice | Yes | - | - | - |
| Push-To-Talk | - | - | - | Yes * |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| ZTE Grand X 3 | Samsung SGH-A157 | Samsung Ace SPH-i325 | Nokia N81 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Grand X 3 | Samsung SGH-A157 | Samsung Ace SPH-i325 | Nokia N81 |
