Phone Comparison - LG K40 vs Xiaomi Redmi 9A vs Samsung Galaxy A12
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| Manufacturer | LG | Xiaomi | Samsung |
| Announced | February 2019 | Not announced yet | 2020, November 24 |
| Status | Coming Soon - April 2019 | Rumored | Coming Soon - January 2021 |
| Price | - | - | Rs. 12,999 ($0.00) [Similarly Priced] |
| Colors | Black, Platinum, Blue | Blue, other colors | Black, White, Blue, Red |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
153 x 71.9 x 8.3 mm (6.02 x 2.83 x 0.33 in) |
- |
164 x 75.8 x 8.9 mm (6.46 x 2.98 x 0.35 in) |
| Weight | 150 g (5.29 oz) | - | 205 g (7.23 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 only) |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE | LTE | LTE (unspecified) |
| Messaging | |||
| Build Features | - Fingerprint Sensor | - Fingerprint Sensor |
- Fingerprint Sensor (side-mounted) |
| Notification LED | Yes | - | - |
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| OS | Android 8.1 (Oreo) | Android 10.0 | Android 10 |
| User Interface | - | MIUI 12 | - |
| Processor | Octa-core 2.0 GHz Cortex-A53, Mediatek MT6762 Helio P22 (12 nm) | , MediaTek Helio G25 | Octa-core (2.3 GHz, 1.8 GHz) |
| GPU | PowerVR GE8320 | Mali-G31 | - |
| RAM | 2/3 GB | 3 GB | 4 GB |
| Internal Memory | 32 GB | 32 GB | 128 GB |
| External Memory | microSD, up to 512 GB (dedicated slot) | microSDXC (dedicated slot) | microSDXC |
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| Type | IPS LCD Capacitive Touchscreen | IPS LCD Capacitive Touchscreen | HD+ TFT display |
| Colors | 16M colors | 16M colors | 16M Colour |
| Size | 5.7 inches | 6.53 inches | 6.5 inches |
| Resolution | 720 x 1440 pixels (282 ppi) | 720 x 1600 pixels (269 ppi) | 720 x 1560 pixels (264 ppi) |
| Screen-to-Body Ratio | 76.46% | - | 83.64% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | - | Unspecified |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 16 MP | 13 MP | 48 MP + 5 MP + 2 MP + 2 MP |
| Flash | LED Flash | LED Flash | LED flash |
| Features | 16 MP, f/2.0, PDAF HDR, Panorama |
13 MP, f/1.8, (wide), 1/3.1", 1.12µm, PDAF HDR, Panorama |
48 MP, f/2.0, (wide), AF 5 MP, f/2.2, 115˚ (ultrawide) 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) panorama, HDR |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 8 MP, f/2.0 [Similar] |
5 MP HDR 1080p@30fps [Similar] |
8 MP, f/2.2 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE | Yes |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | Wi-Fi 802.11 b/g/n, hotspot | Yes |
| USB | microUSB 2.0 | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | USB Type-C 2.0 |
| GPS | Yes, with A-GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 32 GB, 2/3 GB RAM | 32 GB, 3 GB RAM | 128 GB, 4 GB RAM or 64 GB, 4 GB RAM or 64 GB, 3 GB RAM or 32 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 512 GB (dedicated slot) | microSDXC (dedicated slot) | microSDXC |
| 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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| NFC | |
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| Type | Non-removable Li-ion Battery | Non-removable Li-Po Battery | Non-removable Li-Po Battery Fast battery charging 15W |
| Capacity | 3000 mAh | 5000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
