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| Phone | Samsung Galaxy S21 | HTC Desire EYE | Samsung DoubleTime | LG K4 / Optimus Zone 3 / Rebel | Samsung Messager R450 |
| Current U.S. Carriers | Verizon | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
6.2" diag. 20 : 9 |
5.2" diag. 16 : 9 |
3.2" diag. 5 : 3 |
4.5" diag. 16 : 9 |
2.1" diag. 4 : 3 |
| Display Resolution & Type |
1080 x 2400 pixels (~424 ppi) AMOLED |
1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
| Display Refresh | 120 Hz | 60 Hz | 60 Hz | 60 Hz | ? |
| Battery | 4,000 mAh | 2,400 mAh | 1,200 mAh | 1,940 mAh | 960 mAh |
| Processor | 2.8 GHz Qualcomm Snapdragon 888 | 2.3 GHz Qualcomm Snapdragon 801 | 600 MHz Qualcomm | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | ? |
| RAM | 8 GB | 2 GB | ? | 1.5 GB | ? |
| Storage | 128 GB * | 16 GB | ? raw hardware | 16 GB * | ? raw hardware |
| Main Camera | 12 megapixel | 13 megapixel | 3 megapixel | 5 megapixel | 1 megapixel |
| Wide Camera | 12 megapixel | - | - | - | - |
| Tele Camera | 64 megapixel | - | - | - | - |
| Video Capture | 8K | 1080p HD | QVGA (320 x 240) | 720p HD | - |
| Front Camera | 10 megapixel | 13 megapixel | - | 2 megapixel | - |
| Weight |
6.03 oz (171g) |
5.43 oz (154g) |
5.22 oz (148g) |
3.99 oz (113g) |
4.58 oz (130g) |
| Dimensions |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
5.97" x 2.91" x 0.33" (152 x 74 x 8.5 mm) |
4.45" x 2.44" x 0.59" (113 x 62 x 15 mm) |
5.19" x 2.62" x 0.35" (132 x 67 x 8.9 mm) |
4.4" x 2" x 0.7" (112 x 51 x 17.8 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab | Slab |
| Platform / OS | Android | Android | Android | Android | (proprietary) |
| Network Bands |
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 |
4G LTE: 2, 4, 5, 7, 17, 29 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
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| Data Technology | NR (5G) | LTE (Cat 4) | HSPA 7.2 | LTE (Cat 3) | 1xRTT |
| Features | |||||
| Barometer | Yes | - | - | - | - |
| Fingerprint Reader |
Yes in-display (ultrasonic) |
- | - | - | - |
| Flashlight | Yes | Yes | - | Yes | - |
| GPS / Location | n/a | n/a | n/a | n/a | Yes |
| Water-Resistant |
Yes IPX8 (SCUBA) |
Yes IPX7 (snorkeling) |
- | - | - |
| Accessibility | |||||
| Adjustable Text Size | n/a | n/a | n/a | n/a | - |
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | Yes |
| Multiple Languages | n/a | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | n/a | n/a | n/a | - |
| NFC | Yes | Yes | - | - | - |
| USB |
Yes USB Type C |
Yes Micro-USB |
Yes Micro-USB |
Yes Micro-USB |
Yes |
| Wi-Fi |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 4 (802.11 a,b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | n/a | n/a | n/a | n/a | Yes |
| Ringer ID | n/a | n/a | n/a | n/a | Yes |
| Voice Dialing | n/a | n/a | n/a | n/a | Yes |
| Customization | |||||
| Custom Graphics | n/a | n/a | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | n/a | n/a | n/a | n/a | - |
| WAP / Web Browser | n/a | n/a | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | n/a | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - | Yes |
| Touch Screen | Yes | Yes | Yes | Yes | - |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | 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 | Yes |
| Text Messaging Templates | n/a | n/a | n/a | n/a | Yes |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes | - |
| Music Player | n/a | n/a | n/a | n/a | Yes |
| Stereo Speakers | Yes | Yes | - | - | - |
| Photo & Video | |||||
| DLNA | - | Yes | - | - | - |
| Miracast | - | - | - | Yes | - |
| TV Output | Yes | - | - | - | - |
| Power | |||||
| Fast Charging | Yes | Yes | - | - | - |
| Wireless Charging | Yes | - | - | - | - |
| Productivity | |||||
| Alarm | n/a | n/a | n/a | n/a | Yes |
| Calculator | n/a | n/a | n/a | n/a | Yes |
| Calendar | n/a | n/a | n/a | n/a | Yes |
| To-Do List | n/a | n/a | n/a | n/a | - |
| Voice Memo | n/a | n/a | n/a | n/a | Yes |
| Software | |||||
| BREW | n/a | n/a | n/a | n/a | Yes |
| Games | n/a | n/a | n/a | n/a | Yes |
| Voice | |||||
| HD Voice | Yes | Yes | - | Yes * | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung Galaxy S21 | HTC Desire EYE | Samsung DoubleTime | LG K4 / Optimus Zone 3 / Rebel | Samsung Messager R450 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy S21 | HTC Desire EYE | Samsung DoubleTime | LG K4 / Optimus Zone 3 / Rebel | Samsung Messager R450 |
