Compare Phones
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| Phone | Nokia Lumia 635 (CDMA) | Apple iPhone 4 (CDMA) | Cricket Debut S2 / AT&T Calypso 4 | LG Optimus Zone | Nubia RedMagic 5S |
| Current U.S. Carriers | (none) | (none) | AT&T | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
3.5" diag. 5 : 3 |
6.1" diag. 19.5 : 9 |
3.2" diag. 4 : 3 |
6.7" diag. 19.5 : 9 |
| Display Resolution & Type |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~125 ppi) LCD (TFT/TFD) |
1080 x 2340 pixels (~388 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | 60 Hz | 60 Hz | 144 Hz |
| Battery | 1,830 mAh | ? | 3,000 mAh | 1,540 mAh | 4,500 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) | ? | 2 GHz MediaTek Helio A22 (MT6761WB) | 800 MHz Qualcomm Snapdragon S1 MSM7625A | Qualcomm Snapdragon 865 |
| RAM | 512 MB | ? | 3 GB | 512 MB | 8 GB * |
| Storage | 8 GB | 8 GB * | 64 GB | 4 GB | 128 GB * |
| Main Camera | 5 megapixel | 5 megapixel | 8 megapixel | 3 megapixel | 64 megapixel |
| Wide Camera | - | - | - | - | 8 megapixel |
| Tele Camera | - | - | - | - | - |
| Video Capture | 720p HD | 720p HD | ? | VGA (640 x 480) | 4K UHD |
| Front Camera | - | Yes | 5 megapixel | - | 8 megapixel |
| Weight |
4.73 oz (134g) |
4.8 oz (136g) |
5.64 oz (160g) |
3.88 oz (110g) |
7.76 oz (220g) |
| Dimensions |
5.1" x 2.63" x 0.36" (130 x 67 x 9.1 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm) |
4.04" x 2.42" x 0.47" (103 x 61 x 11.9 mm) |
6.64" x 3.07" x 0.38" (169 x 78 x 9.8 mm) |
| Platform / OS | Windows | iOS | Android | Android | Android |
| Network Bands |
4G LTE: 25, 26, 41 WCDMA: 1, 2, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8 |
CDMA: 850, 1900 |
5G: 41, 78 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 26, 34, 38, 40, 41 WCDMA: 1, 2, 4, 5, 8, 19 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 3) | EVDO rA | LTE (Cat 4) | EVDO rA | NR (5G) |
| Features | |||||
| Fingerprint Reader | - | - | - | - | Yes |
| Flashlight | - | - | Yes | - | Yes |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4 (very compatible) |
- |
| TTY/TDD (Digital) | Yes | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| USB |
Yes Micro-USB |
Yes |
Yes USB Type C |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Data & Network | |||||
| Dual-SIM | - | - | - | - | Yes |
| Input | |||||
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | Yes | - |
| Music | |||||
| FM Radio | Yes | - | - | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes | Yes |
| Stereo Speakers | - | - | - | - | Yes |
| Photo & Video | |||||
| DLNA | Yes | - | - | - | - |
| TV Output | - | Yes | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | Yes | - | Yes |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Nokia Lumia 635 (CDMA) | Apple iPhone 4 (CDMA) | Cricket Debut S2 / AT&T Calypso 4 | LG Optimus Zone | Nubia RedMagic 5S | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 635 (CDMA) | Apple iPhone 4 (CDMA) | Cricket Debut S2 / AT&T Calypso 4 | LG Optimus Zone | Nubia RedMagic 5S |
