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| Phone | Nokia N81 | Asus PadFone X | BlackBerry 6510 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
5" diag. 16 : 9 |
? |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~441 ppi) LCD (TFT/TFD) |
160 x 100 pixels |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 1,050 mAh | 2,300 mAh | 900 mAh |
| Processor | 369 MHz ARM 11 | 2.3 GHz Qualcomm Snapdragon 800 | ? |
| RAM | ? | 2 GB | ? |
| Storage | 8 GB * | 16 GB | ? raw hardware |
| Main Camera | 2 megapixel | 13 megapixel | - |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | VGA (640 x 480) | 4K UHD | - |
| Front Camera | - | 2 megapixel | - |
| Weight |
4.94 oz (140g) |
5.29 oz (150g) |
5.64 oz (160g) |
| 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) |
4.53" x 2.95" x 0.95" (115 x 75 x 24.1 mm) |
| Platform / OS | S60 (Symbian) | Android | BlackBerry OS |
| Network Bands |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 7, 17 WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
iDEN: 800 |
| Data Technology | EDGE | LTE (Cat 4) | - |
| Features | |||
| Accessibility | |||
| Hearing Aid Compatible | - |
Yes M3, T4 (very tele-coil compatible) |
- |
| TTY/TDD (Digital) | - | Yes | - |
| Alerts | |||
| Ringer Profiles | Yes | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | - |
| NFC | - | Yes | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes Mini-USB |
| Wi-Fi |
Yes 802.11 b,g |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Input | |||
| Side Keys | Yes | Yes | - |
| Text Keyboard, Hardware | - | - | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes * | Yes | - |
| Music | |||
| FM Radio | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | - |
| Stereo Speakers | Yes | - | - |
| Photo & Video | |||
| Miracast | - | Yes | - |
| Power | |||
| Wireless Charging | - | Yes | - |
| Voice | |||
| HD Voice | - | Yes | - |
| Push-To-Talk | Yes * | - | Yes |
| Speaker Phone | Yes | Yes | - |
| * Some versions only | |||
| Nokia N81 | Asus PadFone X | BlackBerry 6510 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia N81 | Asus PadFone X | BlackBerry 6510 |
