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| Phone | LG K4 / Optimus Zone 3 / Rebel | LG G Flex (Sprint) | Samsung Galaxy Z Flip 5G |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
6" diag. 16 : 9 |
6.7" diag. 22 : 9 |
| Display Resolution & Type |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~245 ppi) AMOLED |
1080 x 2636 pixels (~425 ppi) AMOLED |
| Display Refresh | 60 Hz | 60 Hz | 60 Hz |
| Battery | 1,940 mAh | 3,500 mAh | 3,300 mAh |
| Processor | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | 2.3 GHz Qualcomm Snapdragon 800 MSM8974 | 3.1 GHz Qualcomm Snapdragon 865+ |
| RAM | 1.5 GB | 2 GB | 8 GB |
| Storage | 16 GB * | 32 GB | 256 GB |
| Main Camera | 5 megapixel | 13 megapixel | 12 megapixel |
| Wide Camera | - | - | 12 megapixel |
| Tele Camera | - | - | - |
| Video Capture | 720p HD | 4K UHD | 4K UHD |
| Front Camera | 2 megapixel | 2 megapixel | 10 megapixel |
| Weight |
3.99 oz (113g) |
6.24 oz (177g) |
6.46 oz (183g) |
| Dimensions |
5.19" x 2.62" x 0.35" (132 x 67 x 8.9 mm) |
6.32" x 3.21" x 0.31" (161 x 82 x 7.9 mm) |
3.44" x 2.9" x 0.68" (87 x 74 x 17.3 mm) |
| Platform / OS | Android | Android | Android |
| Network Bands |
4G LTE: 25, 26, 41 WCDMA: 1, 2, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 25, 41, 66, 71 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 29, 30, 38, 41, 48, 66, 71 WCDMA: 2, 3, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 3) | LTE (Cat 4) | NR (5G) |
| Features | |||
| Barometer | - | - | Yes |
| Fingerprint Reader | - | - |
Yes stand-alone |
| Flashlight | Yes | Yes | Yes |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - |
| MirrorLink | - | - | Yes |
| NFC | - | Yes | Yes |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | - | - |
| Music | |||
| Headphone Jack (3.5mm) | Yes | Yes | - |
| Photo & Video | |||
| DLNA | - | Yes | - |
| Miracast | Yes | Yes | - |
| TV Output | - | Yes | Yes |
| Power | |||
| Fast Charging | - | - | Yes |
| Wireless Charging | - | - | Yes |
| Voice | |||
| HD Voice | Yes * | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| LG K4 / Optimus Zone 3 / Rebel | LG G Flex (Sprint) | Samsung Galaxy Z Flip 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG K4 / Optimus Zone 3 / Rebel | LG G Flex (Sprint) | Samsung Galaxy Z Flip 5G |
