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| Phone | Samsung SPH-N400 | Samsung Knack U310 | ZTE Grand X 3 | Google Pixel 3a XL | Nubia RedMagic 5S |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
2.2" diag. 4 : 3 |
5.5" diag. 16 : 9 |
6" diag. 18 : 9 |
6.7" diag. 19.5 : 9 |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~402 ppi) AMOLED |
1080 x 2340 pixels (~388 ppi) AMOLED |
| Display Refresh | ? | ? | 60 Hz | 60 Hz | 144 Hz |
| Battery | ? | 1,000 mAh | 3,080 mAh | 3,700 mAh | 4,500 mAh |
| Processor | ? | ? | 1.3 GHz Qualcomm Snapdragon 210 (MSM8909) | 2 GHz Qualcomm Snapdragon 670 | Qualcomm Snapdragon 865 |
| RAM | ? | ? | 2 GB | 4 GB | 8 GB * |
| Storage | ? raw hardware | ? raw hardware | 16 GB | 64 GB | 128 GB * |
| Main Camera | - | - | 8 megapixel | 12 megapixel | 64 megapixel |
| Wide Camera | - | - | - | - | 8 megapixel |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | 720p HD | 4K UHD | 4K UHD |
| Front Camera | - | - | 2 megapixel | 8 megapixel | 8 megapixel |
| Weight |
4 oz (113g) |
3.63 oz (103g) |
6 oz (170g) |
5.89 oz (167g) |
7.76 oz (220g) |
| Dimensions |
4.25" x 2.04" x 0.82" (108 x 52 x 20.8 mm) |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
6.07" x 2.99" x 0.37" (154 x 76 x 9.4 mm) |
6.3" x 3" x 0.3" (160 x 76 x 7.6 mm) |
6.64" x 3.07" x 0.38" (169 x 78 x 9.8 mm) |
| Form Factor | Flip | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android | Android |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 38, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 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 | 1xRTT | - | LTE (Cat 4) | LTE (Cat 11) | NR (5G) |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
Yes |
| Flashlight | - | - | Yes | Yes | Yes |
| GPS / Location | Yes | Yes | n/a | n/a | n/a |
| Accessibility | |||||
| Adjustable Text Size | - | Yes | n/a | n/a | n/a |
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | - |
| Alerts | |||||
| Extra Display | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | - | - | Yes | Yes | Yes |
| NFC | - | - | - | Yes | - |
| USB | Yes | - |
Yes USB Type C |
Yes USB Type C |
Yes USB Type C |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | - | n/a | n/a | n/a |
| Ringer ID | Yes | - | n/a | n/a | n/a |
| Voice Dialing | Yes | Yes | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | - | n/a | n/a | n/a |
| Custom Ringtones | Yes | - | n/a | n/a | n/a |
| Data & Network | |||||
| Data Tethering | Yes | - | n/a | n/a | n/a |
| Dual-SIM | - | - | - | - | Yes |
| WAP / Web Browser | Yes | - | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | - | Yes | - | - |
| Messaging | |||||
| EMS / Picture Messaging | - | Yes | n/a | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes | Yes |
| Stereo Speakers | - | - | - | Yes | Yes |
| Photo & Video | |||||
| TV Output | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | Yes | Yes | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a | n/a |
| To-Do List | Yes | - | n/a | n/a | n/a |
| Software | |||||
| Games | Yes | - | n/a | n/a | n/a |
| Java (J2ME) | Yes | - | n/a | n/a | n/a |
| Voice | |||||
| Call Screening | - | - | - | Yes | - |
| HD Voice | - | - | Yes | Yes | - |
| Headset Jack (2.5 mm) | Yes | Yes | n/a | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SPH-N400 | Samsung Knack U310 | ZTE Grand X 3 | Google Pixel 3a XL | Nubia RedMagic 5S | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SPH-N400 | Samsung Knack U310 | ZTE Grand X 3 | Google Pixel 3a XL | Nubia RedMagic 5S |
