Phone Comparison - LG K50 vs LG K42 vs Samsung Galaxy A02
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| Manufacturer | LG | LG | Samsung |
| Announced | February 2019 | September 2020 | 2021, January 27 |
| Status | Coming Soon - Q1 2019 | Available - September 2020 | Available. Released 2021, January 27 |
| Colors | Gray | Gray | Black, Blue, Red |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
161.3 x 77 x 8.7 mm (6.35 x 3.03 x 0.34 in) |
165 x 76.7 x 8.4 mm (6.5 x 3.02 x 0.33 in) |
164 x 75.9 x 9.1 mm (6.46 x 2.99 x 0.36 in) |
| Weight | - | 182 g (6.42 oz) | 206 g (7.27 oz) |
| SIM Type | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE | LTE (unspecified) | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900) 20(800), 28(700), 32(1500), 38(2600), 40(2300), 41(2500) |
| Messaging | |||
| Build Features | - Fingerprint Sensor MIL-STD-810G compliant |
- Fingerprint Sensor (side-mounted) MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions |
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| OS | Android 9.0 (Pie) | Android 10 | Android 10 |
| Processor | Octa-core 2.0 GHz | Octa-core 2.0 GHz Cortex-A53, Mediatek MT6762 Helio P22 (12 nm) | Octa-core 1.8 GHz Cortex-A53, Qualcomm SM4250 Snapdragon 450 (11 nm) |
| GPU | - | PowerVR GE8320 | Adreno 506 |
| RAM | 3 GB | 64GB 3GB | 2 GB |
| Internal Memory | 32 GB | N/A | 32 GB |
| External Memory | microSD, up to 512 GB | microSDXC | microSDXC (dedicated slot) |
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| Type | IPS LCD Capacitive Touchscreen | IPS LCD capacitive touchscreen | PLS TFT Display |
| Colors | 16M colors | 16M Colour | 16M Colour |
| Size | 6.26 inches | 6.6 inches | 6.5 inches |
| Resolution | 720 x 1520 pixels (269 ppi) | 720 x 1600 pixels (266 ppi) | 720 x 1520 pixels (259 ppi) |
| Screen-to-Body Ratio | 78.56% | 83.00% | 84.56% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | No | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP + 2 MP | 13 MP + 5 MP + 2 MP + 2 MP | 13 MP + 2 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | 13 MP, PDAF 2 MP, depth sensor Panorama, HDR |
13 MP, 27mm (wide), 1/3.1", 1.12µm, PDAF 5 MP, f/2.2, 120˚ (ultrawide), 1/5.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) panorama, HDR |
13 MP, f/2.2, 28mm (wide), 1/3.1", 1.12µm, AF 2 MP, f/2.4, (depth) |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 13 MP [Similar] |
8 MP, f/2.0 1080p@30fps [Similar] |
8 MP, f/2.2, 1/4", 1.12µm [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE-A | HSPA 42.2/5.76 Mbps, LTE | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | 4.2, A2DP, LE | 5.0, A2DP, LE | 4.2, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | microUSB 2.0 | 2.0, Type-C 1.0 reversible connector | microUSB 2.0 |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 32 GB, 3 GB RAM | 64GB 3GB RAM | 32 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 512 GB | microSDXC | microSDXC (dedicated slot) |
| USB OTG | Supported | Supported | Not Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| Magnetic-Field Sensor (Compass) | |
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| Gyroscope Sensor | |
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| NFC | |
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| Type | Non-removable Li-Ion Battery | Non-removable Li-Po Battery | Non-removable Li-Po Battery Battery Charging 10W |
| Capacity | 3500 mAh | 4000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
