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| Phone | Nokia N81 | Asus PadFone X | Samsung SGH-X426 / SGH-X427 | Google Pixel 4 XL |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
5" diag. 16 : 9 |
? |
6.3" diag. 19 : 9 |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~441 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (Color) |
1440 x 3040 pixels (~534 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | ? | 90 Hz |
| Battery | 1,050 mAh | 2,300 mAh | ? | 3,700 mAh |
| Processor | 369 MHz ARM 11 | 2.3 GHz Qualcomm Snapdragon 800 | ? | 2.8 GHz Qualcomm Snapdragon 855 |
| RAM | ? | 2 GB | ? | 6 GB |
| Storage | 8 GB * | 16 GB | ? raw hardware | 64 GB * |
| Main Camera | 2 megapixel | 13 megapixel | - | 12 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | 16 megapixel |
| Video Capture | VGA (640 x 480) | 4K UHD | - | 4K UHD |
| Front Camera | - | 2 megapixel | - | 8 megapixel |
| Weight |
4.94 oz (140g) |
5.29 oz (150g) |
2.8 oz (79g) |
6.81 oz (193g) |
| Dimensions |
4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm) |
5.67" x 2.85" x 0.39" (144 x 72 x 10 mm) |
3.3" x 1.8" x 0.8" (84 x 46 x 20.3 mm) |
6.31" x 2.96" x 0.32" (160 x 75 x 8.2 mm) |
| Form Factor | Slide | Slab | Clamshell | Slab |
| Platform / OS | S60 (Symbian) | Android | (proprietary) | Android |
| Network Bands |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 7, 17 WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | EDGE | LTE (Cat 4) | GPRS | LTE (Cat 18) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Flashlight | - | - | - | Yes |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | - | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| NFC | - | Yes | - | Yes |
| USB |
Yes Micro-USB |
Yes Micro-USB |
- |
Yes USB Type C |
| Wi-Fi |
Yes 802.11 b,g |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | n/a | - | n/a |
| Ringer ID | n/a | n/a | - | 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 | - | n/a |
| Data & Network | ||||
| Data Tethering | n/a | n/a | Yes | n/a |
| Dual-SIM | - | - | - | Yes |
| 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 | - | - |
| Messaging | ||||
| Email Client | n/a | n/a | - | n/a |
| EMS / Picture Messaging | n/a | n/a | Yes | n/a |
| Instant Messaging | n/a | n/a | - | n/a |
| MMS | n/a | n/a | - | n/a |
| Text Messaging Templates | n/a | n/a | Yes | n/a |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | - | - |
| Music Player | n/a | n/a | - | n/a |
| Stereo Speakers | Yes | - | - | Yes |
| Photo & Video | ||||
| Miracast | - | Yes | - | - |
| Video Calling | n/a | n/a | - | n/a |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Wireless Charging | - | Yes | - | 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 | Yes | n/a |
| Voice Memo | n/a | n/a | - | n/a |
| Software | ||||
| Games | n/a | n/a | Yes | n/a |
| Java (J2ME) | n/a | n/a | Yes | n/a |
| Voice | ||||
| HD Voice | - | Yes | - | Yes |
| Push-To-Talk | Yes * | - | - | - |
| Speaker Phone | Yes | Yes | - | Yes |
| * Some versions only | ||||
| Nokia N81 | Asus PadFone X | Samsung SGH-X426 / SGH-X427 | Google Pixel 4 XL | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia N81 | Asus PadFone X | Samsung SGH-X426 / SGH-X427 | Google Pixel 4 XL |
