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| Phone | Samsung Galaxy A51 (4G) | Dell Venue Pro | Nokia N81 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
6.5" diag. 20 : 9 |
4.1" diag. 5 : 3 |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
1080 x 2400 pixels (~405 ppi) AMOLED |
480 x 800 pixels (~228 ppi) AMOLED |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? |
| Battery | 4,000 mAh | 1,400 mAh | 1,050 mAh |
| Processor | 2.3 GHz Samsung Exynos 9611 | 1 GHz Qualcomm Snapdragon S1 QSD8250 | 369 MHz ARM 11 |
| RAM | 4 GB | ? | ? |
| Storage | 128 GB | 8 GB | 8 GB * |
| Main Camera | 48 megapixel | 5 megapixel | 2 megapixel |
| Wide Camera | 12 megapixel | - | - |
| Tele Camera | - | - | - |
| Video Capture | 4K UHD | 720p HD | VGA (640 x 480) |
| Front Camera | 32 megapixel | - | - |
| Weight |
6.07 oz (172g) |
6.8 oz (193g) |
4.94 oz (140g) |
| Dimensions |
6.24" x 2.89" x 0.31" (158 x 73 x 7.9 mm) |
4.8" x 2.5" x 0.6" (122 x 64 x 15.2 mm) |
4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm) |
| Platform / OS | Android | Windows | S60 (Symbian) |
| Network Bands |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 28, 30, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 12) | HSPA 7.2 | EDGE |
| Features | |||
| Fingerprint Reader |
Yes in-display (optical) |
- | - |
| Flashlight | Yes | - | - |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
- |
| TTY/TDD (Digital) | Yes | Yes | - |
| Alerts | |||
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| MirrorLink | Yes | - | - |
| NFC | Yes | - | - |
| USB |
Yes USB Type C |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 802.11 b,g |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes | - | Yes * |
| Music | |||
| FM Radio | - | Yes | Yes |
| Headphone Jack (3.5mm) | Yes | Yes | Yes |
| Stereo Speakers | - | - | Yes |
| Power | |||
| Fast Charging | Yes | - | - |
| Voice | |||
| HD Voice | Yes | - | - |
| Push-To-Talk | - | - | Yes * |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Samsung Galaxy A51 (4G) | Dell Venue Pro | Nokia N81 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy A51 (4G) | Dell Venue Pro | Nokia N81 |
