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| Phone | Nokia N81 | Samsung Galaxy S7 | Samsung Galaxy S5 mini (GSM) | Samsung Delve R800 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
5.1" diag. 16 : 9 |
4.5" diag. 16 : 9 |
3" diag. 5 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~576 ppi) AMOLED |
720 x 1280 pixels (~326 ppi) AMOLED |
240 x 400 pixels (~154 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | 1,050 mAh | 3,000 mAh | 2,100 mAh | 1,000 mAh |
| Processor | 369 MHz ARM 11 | 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) | 1.4 GHz Qualcomm Snapdragon 400 | ? |
| RAM | ? | 4 GB | 1.5 GB | ? |
| Storage | 8 GB * | 32 GB | 16 GB | ? raw hardware |
| Main Camera | 2 megapixel | 12 megapixel | 8 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | VGA (640 x 480) | 4K UHD | 1080p HD | QVGA (320 x 240) |
| Front Camera | - | 5 megapixel | 2 megapixel | - |
| Weight |
4.94 oz (140g) |
5.36 oz (152g) |
4.23 oz (120g) |
3.63 oz (103g) |
| Dimensions |
4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm) |
5.61" x 2.74" x 0.31" (142 x 70 x 7.9 mm) |
5.16" x 2.55" x 0.36" (131 x 65 x 9.1 mm) |
4.55" x 2.15" x 0.49" (116 x 55 x 12.4 mm) |
| Form Factor | Slide | Slab | Slab | Slab |
| Platform / OS | S60 (Symbian) | Android | Android | (proprietary) |
| Network Bands |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 29, 30, 40, 41 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 17, 29 WCDMA: 1, 2, 3, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | EDGE | LTE (Cat 9) | LTE (Cat 3) | EVDO r0 |
| Features | ||||
| Fingerprint Reader | - | Yes | Yes | - |
| Flashlight | - | Yes | - | - |
| GPS / Location | n/a | n/a | n/a | Yes |
| VR-ready | - | Yes | - | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
Yes IPX7 (snorkeling) |
- |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | n/a | - |
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | Yes | - |
| MirrorLink | - | Yes | - | - |
| Mobile Hotspot | n/a | n/a | n/a | - |
| NFC | - | Yes | Yes | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi |
Yes 802.11 b,g |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 a,b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | n/a | n/a | Yes |
| Ringer ID | n/a | n/a | n/a | Yes |
| Voice Dialing | n/a | n/a | n/a | Yes |
| Customization | ||||
| Custom Graphics | n/a | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | n/a | Yes |
| Data & Network | ||||
| Data Tethering | n/a | n/a | n/a | Yes |
| Dual-SIM | - | Yes | - | - |
| WAP / Web Browser | n/a | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | - | - | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes Resistive |
| Memory | ||||
| Memory Card Slot | Yes * | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | n/a | n/a | Yes |
| Instant Messaging | n/a | n/a | n/a | - |
| MMS | n/a | n/a | n/a | Yes |
| Text Messaging Templates | n/a | n/a | n/a | Yes |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes |
| Music Player | n/a | n/a | n/a | Yes |
| Stereo Speakers | Yes | - | - | - |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| Miracast | - | Yes | - | - |
| Video Calling | n/a | n/a | n/a | - |
| Power | ||||
| Fast Charging | - | Yes | - | - |
| Wireless Charging | - | Yes | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | n/a | Yes |
| Calculator | n/a | n/a | n/a | Yes |
| Calendar | n/a | n/a | n/a | Yes |
| To-Do List | n/a | n/a | n/a | - |
| Voice Memo | n/a | n/a | n/a | Yes |
| Software | ||||
| BREW | n/a | n/a | n/a | Yes |
| Games | n/a | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | n/a | - |
| Voice | ||||
| HD Voice | - | Yes | Yes | - |
| Push-To-Talk | Yes * | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Nokia N81 | Samsung Galaxy S7 | Samsung Galaxy S5 mini (GSM) | Samsung Delve R800 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia N81 | Samsung Galaxy S7 | Samsung Galaxy S5 mini (GSM) | Samsung Delve R800 |
