Phone Comparison - Xiaomi Redmi Note 8 vs Samsung Galaxy M21 vs Realme 6S
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| Price Comparison (India) | - | - | |
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| Manufacturer | Xiaomi | Samsung | Realme |
| Announced | August 2019 | 2020, March 18 | March 2020 |
| Status | Coming Soon - October 2019 | Coming soon. Exp. release 2020, March 23 | Coming Soon - June 2020 |
| Price | Rs. 9,999 ($0.00) [Similarly Priced] | Rs. 12,999 ($0.00) [Similarly Priced] | - |
| Colors | Nebula Red, Neptune Blue, Space Black | Midnight Blue, Raven Black | Eclipse Black, Lunar White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
158.3 x 75.3 × 8.35 mm (6.23 x 2.96 × 0.33 in) |
159 x 75.1 x 8.9 mm (6.26 x 2.96 x 0.35 in) |
162.1 x 74.8 x 8.9 mm (6.38 x 2.94 x 0.35 in) |
| Weight | 190 g (6.7 oz) | 188 g (6.63 oz) | 191 g (6.74 oz) |
| SIM Type | Hybrid Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | 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 - International |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 40(2300), 41(2500) | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 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), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500) |
| Messaging | |||
| Build Features | - Fingerprint Sensor |
- Fingerprint Sensor |
- Fingerprint Sensor(side-mounted) Splash resistant |
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| OS | Android 9.0 (Pie) | Android 10.0 | Android 10.0 |
| User Interface | MIUI 10 | One UI 2.0 | Realme UI |
| Processor | Octa-core 2.0 GHz Kryo 260, Qualcomm SDM665 Snapdragon 665 (11 nm) | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) | Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), Mediatek MT6785 Helio G90T (12 nm) |
| GPU | Adreno 610 | Mali-G72 MP3 | Mali-G76 MC4 |
| RAM | 6 GB | 6 GB | 4 GB |
| Internal Memory | 128 GB | 128 GB | 64 GB |
| External Memory | microSD, up to 256 GB | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
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| Type | Full HD+ curved glass LCD Touchscreen, Corning Gorilla Glass 5 protection | Super AMOLED Capacitive Touchscreen Corning Gorilla Glass 3 420 nits max brightness (advertised) |
IPS LCD Capacitive Touchscreen Corning Gorilla Glass 3 480 nits typ. brightness (advertised) 90Hz refresh rate |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.39 inches | 6.4 inches | 6.5 inches |
| Resolution | 1080 x 2340 pixels (403 ppi) | 1080 x 2340 pixels (403 ppi) | 1080 x 2400 pixels (405 ppi) |
| Screen-to-Body Ratio | - | 84.07% | 84.08% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio, recording | FM radio, RDS, recording | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 48 MP + 8 MP + 2 MP + 2 MP | 48 MP + 8 MP + 5 MP | 48 MP + 8 MP + 2 MP + 2 MP |
| Flash | Dual-LED Flash | LED Flash | LED flash |
| Features | 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 |
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.2, (depth) Panorama, HDR |
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.3, 119˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, 22mm (macro), 1/5.0", 1.75µm 2 MP B/W, f/2.4, (depth) HDR, Panorama |
| Video | 2160p@30fps, 1080p@30/60/120fps, (gyro-EIS) | 2160p@30fps, 1080p@30fps, gyro-EIS | 1080p@30fps |
| Front Camera |
13 MP HDR 1080p@30fps [Similar] |
20 MP, f/2.0, (wide), 1/2.8", 1.0μm HDR 1080p@30fps [Similar] |
16 MP, f/2.0, 26mm (wide), 1/3.1", 1.0µm 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-A (3CA) Cat9 450/50 Mbps | HSPA, LTE-A | HSPA 42.2/11.5 Mbps, LTE-A (2CA) Cat6 300/75 Mbps |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE | 5.0, A2DP, LE |
| Wi-Fi | 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 | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| USB | 2.0, Type-C 1.0 reversible connector | 2.0, Type-C 1.0 reversible connector | 2.0, Type-C 1.0 reversible connector, USB On-The-Go |
| 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 | 128 GB, 6 GB RAM or 64 GB, 4 GB RAM | 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1) | 64 GB, 4 GB RAM |
| Expandable Storage | microSD, up to 256 GB | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| USB OTG | Yes | 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 Fast battery charging 18W (Quick Charge 4) |
Non-removable Li-Po Battery Fast battery charging 15W |
Non-removable Li-Po Battery Fast battery charging 30W |
| Capacity | 4000 mAh | 6000 mAh | 4300 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 9,999 
