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| Phone | Asus ZenFone 4 | Samsung SGH-X820 | Motorola C332 / C331g / C333 (GSM) | HTC Pure / Touch Diamond2 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
5.5" diag. 16 : 9 |
? | ? |
3.2" diag. 5 : 3 |
| Display Resolution & Type |
1080 x 1920 pixels (~401 ppi) LCD (TFT/TFD) |
220 x 176 pixels LCD (TFT/TFD) |
96 x 64 pixels LCD (Grayscale) |
480 x 800 pixels (~292 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? | ? |
| Battery | 3,300 mAh | 650 mAh | ? | 1,100 mAh |
| Processor | 2.2 GHz Qualcomm Snapdragon 630 | ? | ? | 528 MHz Qualcomm MSM7201A |
| RAM | 4 GB | ? | ? | ? |
| Storage | 64 GB | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 12 megapixel | 2 megapixel | - | 5 megapixel |
| Wide Camera | Yes | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 4K UHD | ? | - | CIF (352 x 288) |
| Front Camera | 8 megapixel | - | - | - |
| Weight |
5.47 oz (155g) |
2.33 oz (66g) |
2.82 oz (80g) |
4.15 oz (118g) |
| Dimensions |
6.12" x 2.96" x 0.3" (155 x 75 x 7.7 mm) |
4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm) |
4.21" x 1.81" x 0.86" (107 x 46 x 21.8 mm) |
4.33" x 2.1" x 0.59" (110 x 53 x 15 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | Android | (proprietary) | (proprietary) | Windows Mobile Professional |
| Network Bands |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 28 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
GSM: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 12) | EDGE | GPRS | HSPA 7.2 |
| Features | ||||
| Fingerprint Reader |
Yes stand-alone |
- | - | - |
| Flashlight | Yes | - | - | - |
| GPS / Location | n/a | - | - | n/a |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | - | n/a |
| Hearing Aid Compatible | Yes | - | - | - |
| Multiple Languages | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | - | - | Yes |
| Alerts | ||||
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
- |
Yes Classic Audio |
| NFC | Yes | - | - | - |
| USB |
Yes USB Type C |
Yes |
Yes Mini-USB |
Yes Mini-USB |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | n/a | Yes | Yes | n/a |
| Ringer ID | n/a | Yes | Yes | n/a |
| Voice Dialing | n/a | - | Yes | n/a |
| Customization | ||||
| Changeable Body Plates | - | - | Yes | - |
| Custom Graphics | n/a | Yes | Yes | n/a |
| Custom Ringtones | n/a | Yes | Yes | n/a |
| Real-Music Ringers | n/a | Yes | - | n/a |
| Data & Network | ||||
| Data Tethering | n/a | - | Yes | n/a |
| Dual-SIM | Yes | - | - | - |
| External Antenna Jack | n/a | Yes | - | n/a |
| WAP / Web Browser | n/a | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | n/a |
| Side Keys | Yes | Yes | - | Yes |
| Touch Screen | Yes | - | - | Yes |
| Memory | ||||
| Memory Card Slot | Yes | - | - | Yes |
| Messaging | ||||
| Email Client | n/a | Yes | - | n/a |
| EMS / Picture Messaging | n/a | Yes | Yes | n/a |
| Instant Messaging | n/a | - | - | n/a |
| MMS | n/a | Yes | - | n/a |
| Text Messaging Templates | n/a | Yes | Yes | n/a |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | - | - |
| Music Player | n/a | - | - | n/a |
| Photo & Video | ||||
| Miracast | Yes | - | - | - |
| TV Output | - | Yes | - | - |
| Power | ||||
| Fast Charging | Yes | - | - | - |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | n/a |
| Calculator | n/a | Yes | Yes | n/a |
| Calendar | n/a | Yes | Yes | n/a |
| To-Do List | n/a | Yes | - | n/a |
| Voice Memo | n/a | Yes | - | n/a |
| Software | ||||
| Games | n/a | Yes | Yes | n/a |
| Java (J2ME) | n/a | Yes | - | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | - | Yes | n/a |
| Speaker Phone | Yes | Yes | - | Yes |
| Asus ZenFone 4 | Samsung SGH-X820 | Motorola C332 / C331g / C333 (GSM) | HTC Pure / Touch Diamond2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Asus ZenFone 4 | Samsung SGH-X820 | Motorola C332 / C331g / C333 (GSM) | HTC Pure / Touch Diamond2 |
