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| Phone | Samsung SPH-Z400 | Apple iPhone 4 (GSM) | Samsung SGH-X640 | Samsung Galaxy S 4 Active |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
1.9" diag. 4 : 3 |
3.5" diag. 5 : 3 |
? |
5" diag. 16 : 9 |
| Display Resolution & Type |
176 x 220 pixels (~150 ppi) LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
1080 x 1920 pixels (~441 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz |
| Battery | 1,300 mAh | ? | 800 mAh | 2,600 mAh |
| Processor | ? | Apple A4 | ? | 1.9 GHz Qualcomm Snapdragon 600 8064T |
| RAM | ? | ? | ? | 2 GB |
| Storage | ? raw hardware | 32 GB * | ? raw hardware | 16 GB |
| Main Camera | 1 megapixel | 5 megapixel | Yes | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | 720p HD | - | 1080p HD |
| Front Camera | - | Yes | - | 2 megapixel |
| Weight |
4.06 oz (115g) |
4.8 oz (136g) |
3 oz (85g) |
5.4 oz (153g) |
| Dimensions |
3.73" x 1.91" x 1" (95 x 49 x 25.4 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.5" x 2.81" x 0.36" (140 x 71 x 9.1 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | iOS | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO rA | HSPA 7.2 | GPRS | LTE (Cat 3) |
| Features | ||||
| Flashlight | - | - | - | Yes |
| GPS / Location | Yes | n/a | - | n/a |
| Ruggedized | Yes | - | - | Yes |
| Water-Resistant | - | - | - |
Yes IPX7 (snorkeling) |
| Accessibility | ||||
| Adjustable Text Size | Yes | n/a | - | n/a |
| Hearing Aid Compatible |
Yes M4 (very compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Infrared (IR) | - | - | - | Yes |
| Mobile Hotspot | - | n/a | - | n/a |
| NFC | - | - | - | Yes |
| USB | Yes | Yes | - |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | n/a |
| Ringer ID | Yes | n/a | Yes | n/a |
| Voice Dialing | Yes | n/a | - | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | Yes | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | - | n/a |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | - | - | Yes |
| Messaging | ||||
| Email Client | Yes | n/a | - | n/a |
| EMS / Picture Messaging | - | n/a | Yes | n/a |
| Instant Messaging | - | n/a | - | n/a |
| MMS | - | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | - | n/a | - | n/a |
| Stereo Speakers | Yes | - | - | - |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| Miracast | - | - | - | Yes |
| TV Output | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | n/a |
| Calculator | Yes | n/a | Yes | n/a |
| Calendar | Yes | n/a | Yes | n/a |
| To-Do List | - | n/a | Yes | n/a |
| Voice Memo | Yes | n/a | Yes | n/a |
| Software | ||||
| Games | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | Yes | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | n/a | Yes | n/a |
| Push-To-Talk | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung SPH-Z400 | Apple iPhone 4 (GSM) | Samsung SGH-X640 | Samsung Galaxy S 4 Active | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SPH-Z400 | Apple iPhone 4 (GSM) | Samsung SGH-X640 | Samsung Galaxy S 4 Active |
