Phone Comparison - Samsung Galaxy S7 vs Samsung Galaxy A71 vs Samsung Galaxy A31
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | February 2016 | December 2019 | 2020, March 24 |
| Status | Available - March 2016 | Available. Released 2020, January | Coming Soon - April 2020 |
| Price | Rs. 43,400 ($638.24) [Similarly Priced] | Rs. 29,999 ($0.00) [Similarly Priced] | - |
| Colors | Black, Gold, Silver | Prism Crush White, Black, Pink, Blue | Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
142.4 x 69.6 x 7.9 mm (5.61 x 2.74 x 0.31 in) |
163.6 x 76.0 x 7.7 mm (6.44 x 2.99 x 0.3 in) |
159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in) |
| Weight | 152 g (5.36 oz) | 179 g (6.31 oz) | 185 g (6.53 oz) |
| SIM Type | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, Dual Stand-by) | Single SIM (Nano-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 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700 / 1900 / 2100 |
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE | 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), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100) | LTE (unspecified) |
| Messaging | SMS, MMS, EMail, IM | ||
| Build Features | - Heart rate sensor - Fingerprint sensor - IP68 certified - dust and water resistant - Water resistant up to 1 meter and 30 minutes |
- Fingerprint Sensor(In-display) |
- Fingerprint Sensor (under display, optical) |
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| OS | Android OS, v6.0 (Marshmallow) | Android 10.0 | Android 10.0 |
| User Interface | TouchWiz UI | One UI 2.0 | One UI 2.0 |
| Processor | Quad-core (2x 2.15 GHz Kryo & 2x 1.6 GHz Kryo)/ Octa-core (4x2.3 GHz Mongoose & 4x1.6 GHz Cortex-A53) , Qualcomm MSM8996 Snapdragon 820/ Exynos 8 Octa 8890 | Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm) | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55), Mediatek MT6768 Helio P65 (12nm) |
| GPU | Adreno 530/ Mali-T880 MP12 | Adreno 618 | Mali-G52 MC2 |
| RAM | 4 GB | 8 GB | 6 GB |
| Internal Memory | 32/64 GB | 128 GB | 128 GB |
| External Memory | microSD, up to 2 TB | microSD, up to 512 GB (dedicated slot) | microSDXC |
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| Type | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5, Always-on display | Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen | Super AMOLED Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.1 inches | 6.7 inches | 6.4 inches |
| Resolution | 1440 x 2560 pixels (576 ppi) | 1080 x 2400 pixels (393 ppi) | 1080 x 2400 pixels (411 ppi) |
| Screen-to-Body Ratio | 72.33% | 87.08% | 85.01% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | FM radio | - |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | Dual Pixel 12 MP, 4608 x 2592 pixels | 64 MP + 12 MP + 5 MP + 5 MP | 48 MP + 8 MP + 5 MP + 5 MP |
| Flash | Dual-LED (Dual Tone) | LED Flash | LED flash |
| Features | Phase Detection Autofocus, f/1.7, 1/2.6' Sensor Size, 1 µm Pixel Size,Smart Optical Image Stablization, Geo-tagging, Touch Focus, Face Detection, Auto HDR, Panorama | 64 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF 12 MP, f/2.2, 13mm (ultrawide) 5 MP, f/2.2, depth sensor 5 MP, f/2.4, macro camera Panorama, HDR |
48 MP, f/2.0, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro) 5 MP, f/2.4, (depth) panorama, HDR |
| Video | 2160p@30fps, 1080p@60fps, 720p@120fps, HDR, dual-video rec. | 2160p@30fps, 1080p@30/60/240fps, 1080p@960fps; gyro-EIS | 1080p@30fps |
| Front Camera | 5 MP, f/1.7, Dual Video Call, Auto HDR [Similar] |
32 MP, f/2.0, 25mm (wide) HDR 1080p@30fps [Similar] |
20 MP, f/2.2, 0.8µm HDR 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE Cat9 450/50 Mbps | HSPA, LTE-A | HSPA, LTE-A |
| Bluetooth | v4.2, A2DP, LE, apt-X | 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 | microUSB v2.0, USB Host | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | 2.0, Type-C 1.0 reversible connector, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | HTML5 | Yes | Yes |
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| Internal | 32/64 GB, 4 GB RAM | 128 GB, 8 GB RAM | 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1) |
| Expandable Storage | microSD, up to 2 TB | microSD, up to 512 GB (dedicated slot) | microSDXC |
| 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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| Barometer Sensor | |
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| Heart-rate Sensor | |
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| NFC | |
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| Type | Non-removable Li-Po Battery | Non-removable Li-Po Battery Fast battery charging 25W |
Non-removable Li-Po Battery Fast battery charging 15W |
| Capacity | 3000 mAh | 4000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 43,400 
Rs. 43,400 
Rs. 43,400 
