Phone Comparison - Samsung Galaxy Note8 vs Samsung Galaxy M31 vs Samsung Galaxy M21s
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | August 2017 | 2020, February 25 | November 2020 |
| Status | Coming Soon - September 2017 | Available. Released 2020, March 5 | Available - November 2020 |
| Price | - | Rs. 14,999 ($0.00) [Similarly Priced] | - |
| Colors | Black, Blue Coral, Gold | Ocean Blue, Space Black, Red | Blue, Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
162.5 x 74.8 x 8.6 mm (6.4 x 2.94 x 0.34 in) |
159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in) |
159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in) |
| Weight | 195 g (6.88 oz) | 191 g (6.74 oz) | 191 g (6.74 oz) |
| SIM Type | Single/Dual SIM | 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 model only) |
| 3G Network | HSDPA | 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), 20(800), 38(2600), 40(2300), 41(2500) | LTE |
| Messaging | SMS, MMS, EMail, IM | ||
| Build Features | - IP68 Certified Dust and Water Resistant - Samsung Pay |
- Fingerprint Sensor |
- Fingerprint Sensor |
| Notification LED | Yes | - | - |
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| OS | Android OS, v7.1 (Nougat) | Android 10.0 | Android 10 |
| User Interface | - | One UI 2.0 | One UI 2.5 |
| Processor | Octa-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo) / Octa-core (4x2.3 GHz & 4x1.7 GHz), Qualcomm MSM8998 Snapdragon 835/ Exynos 8895 Octa | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) |
| GPU | Adreno 540 / Mali-G71 MP20 | Mali-G72 MP3 | Mali-G72 MP3 |
| RAM | 6 GB | 6 GB | 4 GB |
| Internal Memory | 64/128/256 GB | 128 GB | 128 GB |
| External Memory | microSD, up to 256 GB (dedicated slot) | microSD, up to 512 GB | microSDXC |
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| Type | Super AMOLED capacitive touchscreen, Gorilla Glass 5 | Full HD+ Infinity-U Super AMOLED Capacitive Touchscreen | Super AMOLED Screen, 420 nits (typ), Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M Colour |
| Size | 6.3 inches | 6.4 inches | 6.4 inches |
| Resolution | 1440 x 2960 pixels (522 ppi) | 1080 x 2340 pixels (403 ppi) | 1080 x 2340 pixels (403 ppi) |
| Screen-to-Body Ratio | 83.03% | 83.97% | 83.97% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | Yes | FM radio, RDS, recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | Dual 12 MP | 64 MP + 8 MP + 5 MP + 5 MP | 64 MP + 8 MP + 5 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | Phase Detection Autofocus, OIS, f/1.7 and f/2.4, 2X Optical Zoom, Geo-tagging, Simultaneous 4K Video And Image Recording, Touch Focus, Face/smile Detection, Auto HDR, Panorama | 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.2, 25mm (macro), 1/5.0", 1.12µm 5 MP, f/2.2, (depth) HDR, Panorama |
64 MP, (wide), PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.2, (depth) Panorama, HDR |
| Video | 2160p@60fps, 1080p@120fps, HDR, dual-video rec. | 2160p@30fps, 1080p@30fps, gyro-EIS | 4K@30fps, 1080p@30fps, gyro-EIS |
| Front Camera | 8 MP, f/1.7, AF [Similar] |
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm HDR 1080p@30fps [Similar] |
32 MP, f/2.4, (wide), 1/2.8", 0.8µm HDR 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE, VoLTE | HSPA, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A |
| Bluetooth | v4.2, 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 | v3.1, Type-C 1.0 reversible connector | 2.0, Type-C 1.0 reversible connector | USB Type-C 2.0 |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML5 | Yes | Yes |
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| Internal | 64/128/256 GB, 6 GB RAM | 128 GB, 6 GB RAM or 64 GB, 4 GB RAM | 128 GB, 4 GB RAM or 64 GB, 4 GB RAM |
| Expandable Storage | microSD, up to 256 GB (dedicated slot) | microSD, up to 512 GB | microSDXC |
| USB OTG | Supported | Yes | Not 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 Fast battery charging 15W |
Non-removable Li-Po Battery Fast battery charging 15W |
| Capacity | 3300 mAh | 6000 mAh | 6000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 14,999 
