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| Phone | Siemens CX75 | Nokia Lumia 635 (CDMA) | Nubia Red Magic 3 / 3S | Samsung SGH-A657 | Samsung SCH-A610 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Not yet released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
4.5" diag. 16 : 9 |
6.7" diag. 19.5 : 9 |
? | ? |
| Display Resolution & Type |
132 x 176 pixels LCD (TFT/TFD) |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
1080 x 2340 pixels (~388 ppi) AMOLED |
176 x 220 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 90 Hz | ? | ? |
| Battery | 750 mAh | 1,830 mAh | 5,000 mAh | 1,420 mAh | 1,300 mAh |
| Processor | ? | 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) | Qualcomm Snapdragon 855+ | ? | ? |
| RAM | ? | 512 MB | 8 GB * | ? | ? |
| Storage | ? raw hardware | 8 GB | 128 GB * | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 5 megapixel | 48 megapixel | - | Yes |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | 720p HD | 4K UHD | - | - |
| Front Camera | - | - | 16 megapixel | - | - |
| Weight |
3.46 oz (98g) |
4.73 oz (134g) |
7.58 oz (215g) |
4.34 oz (123g) |
4.23 oz (120g) |
| Dimensions |
4.33" x 1.88" x 0.74" (110 x 48 x 18.8 mm) |
5.1" x 2.63" x 0.36" (130 x 67 x 9.1 mm) |
6.76" x 3.09" x 0.38" (172 x 79 x 9.7 mm) |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm) |
| Form Factor | Slab | Slab | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | Windows | Android | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 25, 26, 41 WCDMA: 1, 2, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 34, 38, 39, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8, 19 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | GPRS | LTE (Cat 3) | LTE (Cat 9) | HSDPA 3.6 | 1xRTT |
| Features | |||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- | - |
| Flashlight | - | - | Yes | Yes | - |
| GPS / Location | - | n/a | n/a | Yes | Yes |
| Ruggedized | - | - | - | Yes | - |
| Accessibility | |||||
| Hearing Aid Compatible | - |
Yes M3, T4 (very tele-coil compatible) |
- | - | - |
| Multiple Languages | Yes | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | - |
| Alerts | |||||
| Ringer Profiles | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | - |
| Infrared (IR) | Yes | - | - | - | - |
| Mobile Hotspot | - | n/a | n/a | - | - |
| USB | Yes |
Yes Micro-USB |
Yes USB Type C |
Yes | - |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | Yes | Yes |
| Ringer ID | Yes | n/a | n/a | Yes | Yes |
| Voice Dialing | - | n/a | n/a | - | Yes |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes | Yes |
| Real-Music Ringers | - | n/a | n/a | Yes | - |
| Data & Network | |||||
| Data Tethering | Yes | n/a | n/a | Yes | Yes |
| Dual-SIM | - | - | Yes | - | - |
| WAP / Web Browser | Yes | n/a | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | Yes | - |
| Messaging | |||||
| Email Client | Yes | n/a | n/a | Yes | - |
| EMS / Picture Messaging | Yes | n/a | n/a | - | Yes |
| Instant Messaging | - | n/a | n/a | Yes | - |
| MMS | Yes | n/a | n/a | Yes | Yes |
| Text Messaging Templates | - | n/a | n/a | Yes | Yes |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | - |
| Music Player | Yes | n/a | n/a | Yes | - |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| DLNA | - | Yes | - | - | - |
| TV Output | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | Yes |
| Calculator | Yes | n/a | n/a | Yes | Yes |
| Calendar | Yes | n/a | n/a | Yes | Yes |
| To-Do List | Yes | n/a | n/a | Yes | Yes |
| Voice Memo | Yes | n/a | n/a | Yes | Yes |
| Software | |||||
| BREW | - | n/a | n/a | - | Yes |
| Games | Yes | n/a | n/a | Yes | Yes |
| Java (J2ME) | Yes | n/a | n/a | Yes | - |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Headset Jack (2.5 mm) | - | n/a | n/a | - | Yes |
| Push-To-Talk | Yes | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| * Some versions only | |||||
| Siemens CX75 | Nokia Lumia 635 (CDMA) | Nubia Red Magic 3 / 3S | Samsung SGH-A657 | Samsung SCH-A610 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Siemens CX75 | Nokia Lumia 635 (CDMA) | Nubia Red Magic 3 / 3S | Samsung SGH-A657 | Samsung SCH-A610 |
