Compare Phones
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| Phone | LG K40 / Harmony 3 | Samsung SGH-E635 / SGH-E630 | Samsung SGH-T809 / SGH-D820 | Samsung Galaxy S21 |
| Current U.S. Carriers | (none) | (none) | (none) | Verizon |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
5.7" diag. 18 : 9 |
? | ? |
6.2" diag. 20 : 9 |
| Display Resolution & Type |
720 x 1440 pixels (~282 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
1080 x 2400 pixels (~424 ppi) AMOLED |
| Display Refresh | 60 Hz | ? | ? | 120 Hz |
| Battery | 3,000 mAh | 800 mAh | ? | 4,000 mAh |
| Processor | 1.8 GHz Qualcomm Snapdragon 450 | ? | ? | 2.8 GHz Qualcomm Snapdragon 888 |
| RAM | 2 GB | ? | ? | 8 GB |
| Storage | 32 GB | ? raw hardware | ? raw hardware | 128 GB * |
| Main Camera | 13 megapixel | Yes | 1 megapixel | 12 megapixel |
| Wide Camera | - | - | - | 12 megapixel |
| Tele Camera | - | - | - | 64 megapixel |
| Video Capture | 1080p HD | - | CIF (352 x 288) | 8K |
| Front Camera | 5 megapixel | - | - | 10 megapixel |
| Weight |
5.11 oz (145g) |
2.78 oz (79g) |
3.35 oz (95g) |
6.03 oz (171g) |
| Dimensions |
6.02" x 2.83" x 0.32" (153 x 72 x 8.1 mm) |
3.34" x 1.69" x 0.85" (85 x 43 x 21.6 mm) |
3.9" x 2" x 0.58" (99 x 51 x 14.7 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
| Form Factor | Slab | Slide | Slide | Slab |
| Platform / OS | Android | (proprietary) | (proprietary) | Android |
| Network Bands |
4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1800, 1900 |
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 |
| Data Technology | LTE (Cat 6) | GPRS | EDGE | NR (5G) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader |
Yes stand-alone |
- | - |
Yes in-display (ultrasonic) |
| Flashlight | Yes | - | - | Yes |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| Infrared (IR) | - | Yes | - | - |
| NFC | Yes * | - | - | Yes |
| USB |
Yes Micro-USB |
- | Yes |
Yes USB Type C |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | Yes | Yes | n/a |
| Ringer ID | n/a | Yes | Yes | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | Yes | n/a |
| Custom Ringtones | n/a | Yes | Yes | n/a |
| Real-Music Ringers | n/a | - | Yes | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | Yes | n/a |
| WAP / Web Browser | n/a | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | - |
| Messaging | ||||
| EMS / Picture Messaging | n/a | Yes | Yes | n/a |
| Instant Messaging | n/a | - | Yes | n/a |
| MMS | n/a | Yes | Yes | n/a |
| Text Messaging Templates | n/a | Yes | Yes | n/a |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | - | - | - |
| Music Player | n/a | - | Yes | n/a |
| Stereo Speakers | - | - | Yes | Yes |
| Photo & Video | ||||
| DLNA | Yes | - | - | - |
| TV Output | - | - | - | Yes |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Wireless Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | n/a |
| Calculator | n/a | Yes | Yes | n/a |
| Calendar | n/a | Yes | Yes | n/a |
| To-Do List | n/a | Yes | Yes | n/a |
| Voice Memo | n/a | Yes | Yes | n/a |
| Software | ||||
| Games | n/a | Yes | Yes | n/a |
| Java (J2ME) | n/a | Yes | Yes | n/a |
| Voice | ||||
| HD Voice | Yes | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| LG K40 / Harmony 3 | Samsung SGH-E635 / SGH-E630 | Samsung SGH-T809 / SGH-D820 | Samsung Galaxy S21 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG K40 / Harmony 3 | Samsung SGH-E635 / SGH-E630 | Samsung SGH-T809 / SGH-D820 | Samsung Galaxy S21 |
