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| Phone | Nokia Lumia 521 / 520 | Nokia 2651 | Coolpad Conjr | Motorola A840 | Asus ROG Phone II |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Not yet released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
? |
5" diag. 16 : 9 |
? |
6.6" diag. 19.5 : 9 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
1080 x 2340 pixels (~391 ppi) AMOLED |
| Display Refresh | ? | ? | 60 Hz | ? | 120 Hz |
| Battery | 1,430 mAh | 760 mAh | 2,500 mAh | ? | 6,000 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S4 MSM8270 | ? | 1 GHz MediaTek MT6735 | ? | 3 GHz Qualcomm Snapdragon 855 Plus |
| RAM | 512 MB | ? | 3 GB | ? | 12 GB |
| Storage | 8 GB | ? raw hardware | 16 GB | ? raw hardware | 512 GB |
| Main Camera | 5 megapixel | - | 13 megapixel | 1 megapixel | 48 megapixel |
| Wide Camera | - | - | - | - | 13 megapixel |
| Tele Camera | - | - | - | - | - |
| Video Capture | 720p HD | - | 1080p HD | - | 4K UHD |
| Front Camera | - | - | 8 megapixel | - | 24 megapixel |
| Weight |
4.39 oz (124g) |
3.4 oz (96g) |
5.14 oz (146g) |
4.06 oz (115g) |
8.47 oz (240g) |
| Dimensions |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
3.35" x 1.81" x 0.9" (85 x 46 x 22.9 mm) |
5.72" x 2.86" x 0.35" (145 x 73 x 8.8 mm) |
3.7" x 1.93" x 0.92" (94 x 49 x 23.4 mm) |
6.73" x 3.06" x 0.37" (171 x 78 x 9.5 mm) |
| Form Factor | Slab | Clamshell | Slab | Clamshell | Slab |
| Platform / OS | Windows | (proprietary) | Android | (proprietary) | Android |
| Network Bands |
GSM: 850, 1900 |
4G LTE: 2, 4, 5, 7, 12 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 GSM: 900, 1800 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66 WCDMA: 1, 2, 3, 4, 5, 8, 19 GSM: 850, 900, 1800, 1900 |
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| Data Technology | HSPA+ 21 | GPRS | LTE (Cat 4) | 1xRTT | LTE (Cat 20) |
| Features | |||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
Yes in-display (optical) |
| Flashlight | - | - | Yes | - | Yes |
| GPS / Location | n/a | - | n/a | Yes | n/a |
| Accessibility | |||||
| Hearing Aid Compatible | Yes | - | Yes | - | Yes |
| Multiple Languages | n/a | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | - |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | Yes | - | Yes | - | Yes |
| Mobile Hotspot | n/a | - | n/a | - | n/a |
| NFC | - | - | - | - | Yes |
| USB | Yes | - |
Yes Micro-USB |
Yes |
Yes USB Type C |
| Wi-Fi | Yes | - |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | n/a | - | n/a | Yes | n/a |
| Ringer ID | n/a | - | n/a | Yes | n/a |
| Voice Dialing | n/a | - | n/a | Yes | n/a |
| Customization | |||||
| Custom Graphics | n/a | Yes | n/a | Yes | n/a |
| Custom Ringtones | n/a | Yes | n/a | Yes | n/a |
| Real-Music Ringers | n/a | - | n/a | Yes | n/a |
| Data & Network | |||||
| Data Tethering | n/a | - | n/a | Yes | n/a |
| Dual-SIM | - | - | Yes | - | Yes |
| WAP / Web Browser | n/a | Yes | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | n/a | Yes | n/a | Yes | n/a |
| Side Keys | Yes | - | Yes | Yes | Yes |
| Touch Screen | Yes | - | Yes | - | Yes |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | Yes | - |
| Messaging | |||||
| Email Client | n/a | Yes | n/a | Yes | n/a |
| EMS / Picture Messaging | n/a | Yes | n/a | Yes | n/a |
| Instant Messaging | n/a | - | n/a | - | n/a |
| MMS | n/a | Yes | n/a | Yes | n/a |
| Text Messaging Templates | n/a | - | n/a | Yes | n/a |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | Yes | - | Yes |
| Music Player | n/a | - | n/a | Yes | n/a |
| Stereo Speakers | - | - | - | - | Yes |
| Photo & Video | |||||
| TV Output | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | n/a | Yes | n/a | Yes | n/a |
| Calculator | n/a | Yes | n/a | Yes | n/a |
| Calendar | n/a | Yes | n/a | Yes | n/a |
| To-Do List | n/a | - | n/a | - | n/a |
| Voice Memo | n/a | - | n/a | - | n/a |
| Software | |||||
| BREW | n/a | - | n/a | Yes | n/a |
| Games | n/a | Yes | n/a | Yes | n/a |
| Java (J2ME) | n/a | Yes | n/a | - | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | n/a | - | n/a | Yes | n/a |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| Nokia Lumia 521 / 520 | Nokia 2651 | Coolpad Conjr | Motorola A840 | Asus ROG Phone II | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 521 / 520 | Nokia 2651 | Coolpad Conjr | Motorola A840 | Asus ROG Phone II |
