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| Phone | Samsung Droid Charge | Ericsson R520 | ZTE ZMAX Pro | Samsung Galaxy S21 | Nokia N90 |
| Current U.S. Carriers | (none) | (none) | (none) | Verizon | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4.3" diag. 5 : 3 |
? |
6" diag. 16 : 9 |
6.2" diag. 20 : 9 |
? |
| Display Resolution & Type |
480 x 800 pixels (~217 ppi) AMOLED |
? |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~424 ppi) AMOLED |
352 x 416 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | 120 Hz | ? |
| Battery | 1,500 mAh | ? | 3,400 mAh | 4,000 mAh | 760 mAh |
| Processor | 1 GHz Samsung Hummingbird | ? | 1.5 GHz Qualcomm Snapdragon 617 (MSM8952) | 2.8 GHz Qualcomm Snapdragon 888 | ? |
| RAM | ? | ? | 2 GB | 8 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 32 GB | 128 GB * | ? raw hardware |
| Main Camera | 8 megapixel | - | 13 megapixel | 12 megapixel | 2 megapixel |
| Wide Camera | - | - | - | 12 megapixel | - |
| Tele Camera | - | - | - | 64 megapixel | - |
| Video Capture | 720p HD | - | 1080p HD | 8K | CIF (352 x 288) |
| Front Camera | 1 megapixel | - | 5 megapixel | 10 megapixel | - |
| Weight |
5.06 oz (144g) |
4.23 oz (120g) |
6.17 oz (175g) |
6.03 oz (171g) |
6.1 oz (173g) |
| Dimensions |
5.1" x 2.68" x 0.46" (130 x 68 x 11.7 mm) |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
6.5" x 3.3" x 0.35" (165 x 84 x 8.9 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
4.41" x 2.01" x 0.94" (112 x 51 x 23.9 mm) |
| Form Factor | Slab | Slab | Slab | Slab | Clamshell |
| Platform / OS | Android | (proprietary) | Android | Android | S60 (Symbian) |
| Network Bands |
4G LTE: 13 CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261 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 |
WCDMA: 1 GSM: 900, 1800, 1900 |
| Data Technology | LTE (Cat 3) | GPRS | LTE (Cat 4) | NR (5G) | EDGE |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Fingerprint Reader | - | - | Yes |
Yes in-display (ultrasonic) |
- |
| Flashlight | - | - | Yes | Yes | - |
| GPS / Location | n/a | - | n/a | n/a | n/a |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||||
| Adjustable Text Size | n/a | - | n/a | n/a | n/a |
| Hearing Aid Compatible | Yes | - | Yes | Yes | - |
| Multiple Languages | n/a | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | - |
| Alerts | |||||
| Extra Display | - | - | - | - | Yes |
| Ringer Profiles | - | Yes | - | - | Yes |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
Yes HSP, Sync, OPP, DUN |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | Yes | - | - | - |
| Mobile Hotspot | n/a | - | n/a | n/a | n/a |
| NFC | - | - | - | Yes | - |
| USB |
Yes Micro-USB |
- |
Yes USB Type C |
Yes USB Type C |
Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
| Contacts | |||||
| Picture ID | n/a | - | n/a | n/a | n/a |
| Ringer ID | n/a | - | n/a | n/a | n/a |
| Voice Dialing | n/a | Yes | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | n/a | - | n/a | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a | n/a |
| Real-Music Ringers | n/a | - | n/a | n/a | n/a |
| Data & Network | |||||
| Data Tethering | n/a | Yes | n/a | n/a | n/a |
| WAP / Web Browser | n/a | Yes | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | n/a | Yes | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | Yes | - | Yes | Yes | - |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | - | Yes |
| Messaging | |||||
| Email Client | n/a | - | n/a | n/a | n/a |
| EMS / Picture Messaging | n/a | - | n/a | n/a | n/a |
| Instant Messaging | n/a | - | n/a | n/a | n/a |
| MMS | n/a | - | n/a | n/a | n/a |
| Text Messaging Templates | n/a | Yes | n/a | n/a | n/a |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | - | - |
| Music Player | n/a | - | n/a | n/a | n/a |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| DLNA | Yes | - | - | - | - |
| Miracast | - | - | Yes | - | - |
| TV Output | Yes | - | - | Yes | - |
| Video Calling | n/a | - | n/a | n/a | n/a |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | n/a | Yes | n/a | n/a | n/a |
| Calculator | n/a | Yes | n/a | n/a | n/a |
| Calendar | n/a | Yes | n/a | n/a | n/a |
| To-Do List | n/a | - | n/a | n/a | n/a |
| Voice Memo | n/a | Yes | n/a | n/a | n/a |
| Software | |||||
| Games | n/a | Yes | n/a | n/a | n/a |
| Java (J2ME) | n/a | - | n/a | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | Yes | Yes | - |
| Push-To-Talk | - | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung Droid Charge | Ericsson R520 | ZTE ZMAX Pro | Samsung Galaxy S21 | Nokia N90 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Droid Charge | Ericsson R520 | ZTE ZMAX Pro | Samsung Galaxy S21 | Nokia N90 |
