Phone Comparison - Samsung Galaxy S9+ vs Xiaomi Redmi Note 7 vs Samsung Galaxy M21
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Xiaomi | Samsung |
| Announced | February 2018 | January 2019 | 2020, March 18 |
| Status | Coming Soon, March 2018 | Available - January 2019 | Coming soon. Exp. release 2020, March 23 |
| Price | Rs. 57,999 ($890.00) [Similarly Priced] | Rs. 9,999 ($0.00) [Similarly Priced] | Rs. 12,999 ($0.00) [Similarly Priced] |
| Colors | Various | Blue, Black, Twilight Gold | Midnight Blue, Raven Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
158.1 x 73.8 x 8.5 mm (6.22 x 2.91 x 0.33 in) |
159.2 x 75.2 x 8.1 mm (6.27 x 2.96 x 0.32 in) |
159 x 75.1 x 8.9 mm (6.26 x 2.96 x 0.35 in) |
| Weight | 189 g (6.67 oz) | 186 g (6.56 oz) | 188 g (6.63 oz) |
| SIM Type | Single SIM (Nano-SIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) | Hybrid 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 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 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), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) |
| Messaging | SMS, MMS, EMail, IM | ||
| Build Features | - Fingerprint Sensor - Samsung Pay (Visa, MasterCard certified) - IP68 certified - dust/water proof over 1.5 meter and 30 minutes |
- Fingerprint Sensor |
- Fingerprint Sensor |
| Notification LED | Yes | - | - |
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| OS | Android 8.0 (Oreo) | Android 9.0 (Pie) | Android 10.0 |
| User Interface | - | MIUI 10 | One UI 2.0 |
| Processor | Octa-core (4x2.8 GHz Mongoose M3 & 4x1.7 GHz Cortex-A55) - EMEA Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA & China, Exynos 9810 Octa - EMEA Qualcomm Snapdragon 845 |
Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260), Qualcomm SDM660 Snapdragon 660 (14 nm) | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) |
| GPU | Mali-G72 MP18 - EMEA Adreno 630 - USA & China |
Adreno 512 | Mali-G72 MP3 |
| RAM | 6 GB | 4/6 GB | 6 GB |
| Internal Memory | 64 GB | 64 GB | 128 GB |
| External Memory | microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only | microSD, up to 256 GB (uses SIM 2 slot) | microSDXC (dedicated slot) |
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| Type | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5 | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 5 | Super AMOLED Capacitive Touchscreen Corning Gorilla Glass 3 420 nits max brightness (advertised) |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.2 inches | 6.3 inches | 6.4 inches |
| Resolution | 1440 x 2960 pixels (531 ppi) | 1080 x 2340 (409 ppi) | 1080 x 2340 pixels (403 ppi) |
| Screen-to-Body Ratio | 83.59% | 81.41% | 84.07% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | FM radio, recording | FM radio, RDS, recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | Dual12 MP + 12 MP | 48 MP + 5 MP | 48 MP + 8 MP + 5 MP |
| Flash | LED Flash | Dual-LED flash | LED Flash |
| Features | Phase Detection Autofocus, f/1.6 + f/2.4, 26mm, 1/2.55", 1.4 µm, 52mm, 1/3.6", 1 µm, Dual Pixel AF, OIS, 2x Optical Zoom, Geo-tagging, Simultaneous 4K Video And 9MP Image Recording, Touch Focus, Face/smile Detection, Auto HDR, Panorama | 48 MP, f/1.8, 1/2", 0.8µm, PDAF 5 MP, f/2.4, depth sensor HDR, Panorama |
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 |
| Video | 2160p@30fps, 1080p@60fps, HDR, dual-video rec. | 1080p@30/60/120fps, (gyro-EIS) | 2160p@30fps, 1080p@30fps, gyro-EIS |
| Front Camera | 8 MP, f/1.6, autofocus, 1440p, dual video call, Auto HDR [Similar] | 13 MP, f/2.2, 1.25µm, HDR, 1080p@30fps [Similar] |
20 MP, f/2.0, (wide), 1/2.8", 1.0μm HDR 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A (4CA) Cat16 1024/150 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat12 600/150 Mbps | HSPA, LTE-A |
| Bluetooth | 5.0, A2DP, LE, aptX | 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 | 3.1, 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, GALILEO | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML5 | Yes | Yes |
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| Internal | 64 GB, 6 GB RAM | 64 GB, 4/6 GB RAM or 32 GB, 3 GB RAM | 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1) |
| Expandable Storage | microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only | microSD, up to 256 GB (uses SIM 2 slot) | microSDXC (dedicated slot) |
| USB OTG | Not Supported | Yes | 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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| Barometer Sensor | |
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| Heart-rate 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 | 3500 mAh | 4000 mAh | 6000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 9,999 
