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| Phone | Apple iPhone 4 (GSM) | Motorola T720 / T721 (GSM) | Samsung Galaxy Alpha |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
? |
4.7" diag. 16 : 9 |
| Display Resolution & Type |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
120 x 160 pixels LCD (STN) |
720 x 1280 pixels (~312 ppi) AMOLED |
| Display Refresh | 60 Hz | ? | 60 Hz |
| Battery | ? | ? | 1,860 mAh |
| Processor | Apple A4 | ? | 2.5 GHz Qualcomm Snapdragon 801 (MSM8974-AC) |
| RAM | ? | ? | 2 GB |
| Storage | 32 GB * | ? raw hardware | 32 GB |
| Main Camera | 5 megapixel | - | 12 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 720p HD | - | 4K UHD |
| Front Camera | Yes | - | 2 megapixel |
| Weight |
4.8 oz (136g) |
3.56 oz (101g) |
4.06 oz (115g) |
| Dimensions |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
3.5" x 1.87" x 0.83" (89 x 47 x 21.1 mm) |
5.21" x 2.58" x 0.26" (132 x 66 x 6.7 mm) |
| Form Factor | Slab | Clamshell | Slab |
| Platform / OS | iOS | (proprietary) | Android |
| Network Bands |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSPA 7.2 | GPRS | LTE (Cat 4) |
| Features | |||
| Fingerprint Reader | - | - | Yes |
| Flashlight | - | - | Yes |
| GPS / Location | n/a | - | n/a |
| Accessibility | |||
| Adjustable Text Size | n/a | - | n/a |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M3 (mostly compatible) |
| Multiple Languages | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | Yes |
| Alerts | |||
| Extra Display | - | Yes | - |
| Connectivity | |||
| Bluetooth | Yes | - | Yes |
| Mobile Hotspot | n/a | - | n/a |
| NFC | - | - | Yes |
| USB | Yes | - | Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||
| Picture ID | n/a | - | n/a |
| Ringer ID | n/a | Yes | n/a |
| Voice Dialing | n/a | Yes | n/a |
| Customization | |||
| Changeable Body Plates | - | Yes | - |
| Custom Graphics | n/a | Yes | n/a |
| Custom Ringtones | n/a | Yes | n/a |
| Real-Music Ringers | n/a | - | n/a |
| Data & Network | |||
| Data Tethering | n/a | Yes | n/a |
| WAP / Web Browser | n/a | Yes | n/a |
| Input | |||
| Predictive Text Entry | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
| Messaging | |||
| Email Client | n/a | Yes | n/a |
| EMS / Picture Messaging | n/a | Yes | n/a |
| Instant Messaging | n/a | - | n/a |
| MMS | n/a | - | n/a |
| Text Messaging Templates | n/a | Yes | n/a |
| Music | |||
| Headphone Jack (3.5mm) | Yes | - | Yes |
| Music Player | n/a | - | n/a |
| Stereo Speakers | - | - | Yes |
| Photo & Video | |||
| TV Output | Yes | - | Yes |
| Productivity | |||
| Alarm | n/a | Yes | n/a |
| Calculator | n/a | Yes | n/a |
| Calendar | n/a | Yes | n/a |
| Voice Memo | n/a | Yes | n/a |
| Software | |||
| Games | n/a | Yes | n/a |
| Java (J2ME) | n/a | Yes | n/a |
| Voice | |||
| HD Voice | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | Yes | n/a |
| Speaker Phone | Yes | - | Yes |
| * Some versions only | |||
| Apple iPhone 4 (GSM) | Motorola T720 / T721 (GSM) | Samsung Galaxy Alpha | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Apple iPhone 4 (GSM) | Motorola T720 / T721 (GSM) | Samsung Galaxy Alpha |
