Phone Comparison - Samsung Galaxy A20 vs Xiaomi Redmi 8A Dual vs Xiaomi Redmi Note 9
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| Manufacturer | Samsung | Xiaomi | Xiaomi |
| Announced | March 2019 | February 2020 | 2020, April 30 |
| Status | Coming Soon - April 2019 | Coming Soon - February 18, 2020 | Coming soon. Exp. release 2020, May |
| Price | - | Rs. 6,499 ($0.00) [Similarly Priced] | - |
| Colors | Blue, Black | Midnight Grey, Sea Blue, Sky White | Forest Green, Midnight Grey, Polar White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension | - |
156.3 × 75.4 × 9.4 mm (6.15 × 2.97 × 0.37 in) |
162.3 x 77.2 x 8.9 mm (6.39 x 3.04 x 0.35 in) |
| Weight | - | 188 g (6.63 oz) | 199 g (7.02 oz) |
| SIM Type | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) with dedicated microSD card slot | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM 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 / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 25(1900), 2628, 32(1500), 38(2600), 39(1900), 40(2300), 41(2500) |
| Messaging | |||
| Build Features | - Fingerprint Sensor |
- | - Fingerprint Sensor |
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| OS | Android 9.0 (Pie) | Android 9.0 (Pie) | Android 10.0 |
| User Interface | - | MIUI 11 | MIUI 11 |
| Processor | Octa-core (2x1.6 GHz & 6x1.35 GHz), Exynos 7884 Octa | Octa-core (2x2.0 GHz Cortex-A53 & 6x1.45 GHz Cortex A53), Qualcomm SDM439 Snapdragon 439 (12 nm) | Octa-core (2x Cortex-A75 @ 2 GHz, 6x Cortex-A55 @ 2 GHz), MediaTek Helio G85 (12nm) |
| GPU | - | Adreno 505 | Mali-G52 MC2 |
| RAM | 3 GB | 3 GB | 4 GB |
| Internal Memory | 32 GB | 32 GB | 128 GB |
| External Memory | microSD, up to 512 GB (dedicated slot) | microSD, up to 512 GB (dedicated slot) | microSDXC (dedicated slot) |
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| Type | Super AMOLED Capacitive Touchscreen | IPS LCD Capacitive Touchscreen | FHD+ IPS LCD Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.4 inches | 6.22 inches | 6.53 inches |
| Resolution | 720 x 1560 pixels (268 ppi) | 720 x 1520 pixels (270 ppi) | 1080 x 2340 pixels (395 ppi) |
| Screen-to-Body Ratio | - | - | 83.40% |
| 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 | 13 MP + 5 MP | 13 MP + 2 MP | 48 MP + 8 MP + 2 MP + 2 MP |
| Flash | LED Flash | LED Flash | LED flash |
| Features | 13 MP, f/1.9, 28mm (wide), AF 5 MP, f/2.2, depth sensor Panorama, HDR |
13 MP, f/2.2, 1.25µm, PDAF 2 MP, f/2.4, depth sensor Panorama |
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro), AF 2 MP, f/2.4, (depth) HDR, Panorama |
| Video | 1080p@30fps | 1080p@30/60fps | 1080p@30fps |
| Front Camera | 8 MP, f/2.0 [Similar] | 8 MP, HDR, 1080p@30fps [Similar] |
13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm HDR, Panorama 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA, LTE | HSPA 42.2/5.76 Mbps, LTE-A |
| Bluetooth | 4.2, A2DP, LE | 5.0, A2DP, LE | 5.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| USB | microUSB 2.0 | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | 2.0, Type-C 1.0 reversible connector |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 32 GB, 3 GB RAM | 32 GB, 3 GB RAM or 32 GB, 2 GB RAM | 128 GB, 4 GB RAM or 64 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 512 GB (dedicated slot) | microSD, up to 512 GB (dedicated slot) | microSDXC (dedicated slot) |
| USB OTG | Supported | Supported | 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-Po Battery | Non-removable Li-Po Battery Type-C Fast charger 18W |
Non-removable Li-Po Battery Fast battery charging 18W |
| Capacity | 4000 mAh | 5000 mAh | 5020mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
