Phone Comparison - Samsung Galaxy A40 vs Xiaomi Mi A3 vs Xiaomi Redmi Note 8
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| Price Comparison (India) | - | ||
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| Manufacturer | Samsung | Xiaomi | Xiaomi |
| Announced | March 2019 | July 2019 | August 2019 |
| Status | Coming Soon - April 2019 | Coming Soon - July 2019 | Coming Soon - October 2019 |
| Price | - | Rs. 12,999 ($0.00) [Similarly Priced] | Rs. 9,999 ($0.00) [Similarly Priced] |
| Colors | Black, White, Blue, Coral | Black, Blue, White | Nebula Red, Neptune Blue, Space Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
144.3 x 69.1 x 7.9 mm (5.68 x 2.72 x 0.31 in) |
153.5 x 71.9 x 8.5 mm (6.04 x 2.83 x 0.33 in) |
158.3 x 75.3 × 8.35 mm (6.23 x 2.96 × 0.33 in) |
| Weight | - | 173.8 g (6.1.0.28 oz) | 190 g (6.7 oz) |
| SIM Type | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | Hybrid 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 CDMA 800 & TD-SCDMA |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) | LTE band 1(2100), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 40(2300), 41(2500) |
| Messaging | |||
| Build Features | - Fingerprint Sensor |
- Fingerprint Sensor (In-display) |
- Fingerprint Sensor |
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| OS | Android 9.0 (Pie) | Android 9.0 (Pie) | Android 9.0 (Pie) |
| User Interface | - | Android One | MIUI 10 |
| Processor | Octa-core (2x1.8 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53), Exynos 7885 Octa (14 nm) | Octa-core 2.0 GHz Kryo 260, Qualcomm SDM665 Snapdragon 665 (11 nm) | Octa-core 2.0 GHz Kryo 260, Qualcomm SDM665 Snapdragon 665 (11 nm) |
| GPU | Mali-G71 | Adreno 610 | Adreno 610 |
| RAM | 4 GB | 6 GB | 6 GB |
| Internal Memory | 64 GB | 128 GB | 128 GB |
| External Memory | microSD, up to 512 GB (dedicated slot) | microSD, up to 256 GB (uses shared SIM slot) | microSD, up to 256 GB |
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| Type | Super AMOLED Capacitive Touchscreen | Super AMOLED Capacitive Touchscreen Corning Gorilla Glass 5 |
Full HD+ curved glass LCD Touchscreen, Corning Gorilla Glass 5 protection |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.9 inches | 6.08 inches | 6.39 inches |
| Resolution | 1080 x 2280 pixels (428 ppi) | 720 x 1560 pixels (283 ppi) | 1080 x 2340 pixels (403 ppi) |
| Screen-to-Body Ratio | 86.97% | 81.98% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | FM radio, recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 16 MP + 5 MP | 48 MP + 8 MP + 2 MP | 48 MP + 8 MP + 2 MP + 2 MP |
| Flash | LED Flash | LED Flash | Dual-LED Flash |
| Features | 16 MP, f/2.0, PDAF 5 MP, f/2.2, 12mm, (ultrawide) Panorama, HDR |
48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF 8 MP, (ultrawide), f/2.2, 1.12µm 2 MP, f/2.4, depth sensor HDR, Panorama |
48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4", 1.12µm 2 MP, f/2.4, 1/5", 1.75µm (dedicated macro camera) 2 MP, f/2.4, 1/5", 1.75µm, depth sensor HDR, Panorana |
| Video | 2160p@30fps, 1080p@30fps | 2160p@30fps, 1080p@30/60/120fps | 2160p@30fps, 1080p@30/60/120fps, (gyro-EIS) |
| Front Camera | 25 MP, 1080p@30fps [Similar] | 32 MP, f/2.0, 0.8µm, HDR, 1080p@30fps [Similar] |
13 MP HDR 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | |
| Edge | Yes | Yes | |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat12 600/150 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (2CA) 450/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat9 450/50 Mbps |
| Bluetooth | 4.2, A2DP, LE | 5.0, A2DP, LE, aptX HD | 5.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| USB | Type-C 1.0 reversible connector | 2.0, Type-C 1.0 reversible connector | 2.0, Type-C 1.0 reversible connector |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 64 GB, 4 GB RAM | 128 GB, 6 GB RAM or 64 GB, 4 GB RAM | 128 GB, 6 GB RAM or 64 GB, 4 GB RAM |
| Expandable Storage | microSD, up to 512 GB (dedicated slot) | microSD, up to 256 GB (uses shared SIM slot) | microSD, up to 256 GB |
| USB OTG | Supported | Supported | Yes |
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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-Po Battery | Non-removable Li-Po Battery Fast battery charging 18W |
Non-removable Li-Po Battery Fast battery charging 18W (Quick Charge 4) |
| Capacity | 3100 mAh | 4030 mAh | 4000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 12,999 
