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| Phone | Nokia N81 | Motorola Citrus | Kyocera DuraForce Ultra 5G | Samsung Galaxy S6 (GSM) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
3" diag. 4 : 3 |
5.5" diag. 18 : 9 |
5.1" diag. 16 : 9 |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~133 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~443 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~576 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | 60 Hz | 60 Hz |
| Battery | 1,050 mAh | 1,150 mAh | 4,500 mAh | 2,550 mAh |
| Processor | 369 MHz ARM 11 | ? | 2.4 GHz Qualcomm Snapdragon 765G | 2.1 GHz Samsung Exynos 7420 |
| RAM | ? | ? | 6 GB | 3 GB |
| Storage | 8 GB * | ? raw hardware | 128 GB | 32 GB * |
| Main Camera | 2 megapixel | 3 megapixel | 23 megapixel | 16 megapixel |
| Wide Camera | - | - | 16 megapixel | - |
| Tele Camera | - | - | - | - |
| Video Capture | VGA (640 x 480) | CIF (352 x 288) | 4K UHD | 4K UHD |
| Front Camera | - | - | 8 megapixel | 5 megapixel |
| Weight |
4.94 oz (140g) |
3.88 oz (110g) |
9.81 oz (278g) |
4.87 oz (138g) |
| Dimensions |
4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm) |
4.09" x 2.32" x 0.59" (104 x 59 x 15 mm) |
6.5" x 2.95" x 0.63" (165 x 75 x 16 mm) |
5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm) |
| Platform / OS | S60 (Symbian) | Android | Android | Android |
| Network Bands |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
5G: 2, 5, 66, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 48, 66 WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
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| Data Technology | EDGE | EVDO r0 | NR (5G) | LTE (Cat 6) |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - | - |
Yes stand-alone |
Yes |
| Flashlight | - | - | Yes | Yes |
| Ruggedized | - | - | Yes | - |
| VR-ready | - | - | - | Yes |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Hearing Aid Compatible | - | - | Yes | Yes |
| TTY/TDD (Digital) | - | - | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | - | - | Yes |
| MirrorLink | - | - | - | Yes |
| NFC | - | - | Yes | Yes |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
| UWB | - | - | Yes | - |
| Wi-Fi |
Yes 802.11 b,g |
Yes 802.11 b,g |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | Yes | Yes | Yes |
| Memory | ||||
| Memory Card Slot | Yes * | Yes | Yes | - |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes |
| Stereo Speakers | Yes | - | - | - |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| Miracast | - | - | - | Yes |
| TV Output | - | - | - | Yes |
| Power | ||||
| Fast Charging | - | - | Yes | Yes |
| Wireless Charging | - | - | Yes | Yes |
| Voice | ||||
| HD Voice | - | - | Yes | Yes |
| Push-To-Talk | Yes * | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Nokia N81 | Motorola Citrus | Kyocera DuraForce Ultra 5G | Samsung Galaxy S6 (GSM) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia N81 | Motorola Citrus | Kyocera DuraForce Ultra 5G | Samsung Galaxy S6 (GSM) |
