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| Phone | Nokia Lumia 635 (CDMA) | Nokia 6650 fold | ZTE Z222 / Z223 | ZTE Avid 4 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
2.2" diag. 4 : 3 |
2" diag. 4 : 3 |
5" diag. 16 : 9 |
| Display Resolution & Type |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 1,830 mAh | 1,500 mAh | 900 mAh | 2,520 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) | 369 MHz ARM 11 | QSC6270 | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) |
| RAM | 512 MB | ? | 64 MB | 2 GB |
| Storage | 8 GB | ? raw hardware | 128 MB | 16 GB |
| Main Camera | 5 megapixel | 2 megapixel | Yes | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | QVGA (320 x 240) | ? | 720p HD |
| Front Camera | - | - | - | 5 megapixel |
| Weight |
4.73 oz (134g) |
3.95 oz (112g) |
3.24 oz (92g) |
5.6 oz (159g) |
| Dimensions |
5.1" x 2.63" x 0.36" (130 x 67 x 9.1 mm) |
3.93" x 1.86" x 0.64" (100 x 47 x 16.2 mm) |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
5.7" x 2.8" x 0.36" (145 x 71 x 9.1 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Slab |
| Platform / OS | Windows | S60 (Symbian) | (proprietary) | Android |
| Network Bands |
4G LTE: 25, 26, 41 WCDMA: 1, 2, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 1900 |
4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 3) | HSDPA 3.6 | HSDPA 3.6 | LTE (Cat 4) |
| Features | ||||
| Flashlight | - | - | - | Yes |
| GPS / Location | n/a | n/a | - | n/a |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | Yes | - |
| Ringer Profiles | - | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | n/a | - | n/a |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- | - |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | n/a |
| Ringer ID | n/a | n/a | Yes | n/a |
| Voice Dialing | n/a | n/a | - | n/a |
| Customization | ||||
| Custom Graphics | n/a | n/a | Yes | n/a |
| Custom Ringtones | n/a | n/a | Yes | n/a |
| Real-Music Ringers | n/a | n/a | Yes | n/a |
| Data & Network | ||||
| Data Tethering | n/a | n/a | - | n/a |
| WAP / Web Browser | n/a | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| Email Client | n/a | n/a | Yes | n/a |
| Instant Messaging | n/a | n/a | - | n/a |
| MMS | n/a | n/a | Yes | n/a |
| Text Messaging Templates | n/a | n/a | Yes | n/a |
| Music | ||||
| FM Radio | Yes | - | Yes * | Yes |
| Headphone Jack (3.5mm) | Yes | - | - | Yes |
| Music Player | n/a | n/a | - | n/a |
| Photo & Video | ||||
| DLNA | Yes | - | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | n/a |
| Calculator | n/a | n/a | Yes | n/a |
| Calendar | n/a | n/a | Yes | n/a |
| To-Do List | n/a | n/a | - | n/a |
| Voice Memo | n/a | n/a | Yes | n/a |
| Software | ||||
| Games | n/a | n/a | Yes | n/a |
| Java (J2ME) | n/a | n/a | Yes | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | n/a | - | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Nokia Lumia 635 (CDMA) | Nokia 6650 fold | ZTE Z222 / Z223 | ZTE Avid 4 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 635 (CDMA) | Nokia 6650 fold | ZTE Z222 / Z223 | ZTE Avid 4 |
