Samsung Galaxy S7 Edge
Samsung Galaxy A51
Samsung Galaxy A21sSamsung Galaxy S7 Edge vs Samsung Galaxy A51 vs Samsung Galaxy A21s
Price Comparison (India)
Rs. 50,900 
Rs. 50,900 
Rs. 50,520 General Info
| Manufacturer | ||
| Samsung | Samsung | Samsung |
| Announced | ||
| February 2016 | December 2019 | Expected Announcement - May 2020 |
| Status | ||
| Available - March 2016 | Coming Soon - December 12, 2019 | Rumored |
| Price | ||
| Rs. 50,900 ($748.53) [Similarly Priced] | Rs. 23,999 ($0.00) [Similarly Priced] | - |
| Colors | ||
| Various | Prism Crush White, Black, Pink, Blue | Black, White, Blue |
| Form Factor | ||
| Candybar | Candybar | Candybar |
| Dimension | ||
|
150.9 x 72.6 x 7.7 mm (5.94 x 2.86 x 0.3 in) |
158.4 x 73.7 x 7.9 mm (6.24 x 2.9 x 0.31 in) |
8.9 mm thickness (0.35 in thickness) |
| Weight | ||
| 157 g (5.54 oz) | 172 g (6.07 oz) | 191 g (6.74 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 (unspecified) | LTE |
| 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 |
| Notification LED | ||
| Yes | - | - |
Hardware and OS
| OS | ||
| Android OS, v6.0 (Marshmallow) | Android 9.0 (Pie) | Android 10.0 |
| User Interface | ||
| - | One UI | 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 (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) | Octa-core 2.0 GHz, Exynos 850 |
| GPU | ||
| Adreno 530/ Mali-T880 MP12 | Mali-G72 MP3 | - |
| RAM | ||
| 4 GB | 8 GB | 3 GB |
| Internal Memory | ||
| 32 GB | 128 GB | 64 GB |
| External Memory | ||
| microSD upto 256GB | microSD, up to 512 GB (dedicated slot) | microSDXC |
Display
| Type | ||
| Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5, Curved Edge Screen, Always-on display | Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen | PLS TFT Capacitive Touchscreen |
| Colors | ||
| 16M colors | 16M colors | 16M colors |
| Size | ||
| 5.5 inches | 6.5 inches | 6.55 inches |
| Resolution | ||
| 1440 x 2560 pixels (534 ppi) | 1080 x 2340 pixels (396 ppi) | 720 x 1600 pixels (268 ppi) |
| Screen-to-Body Ratio | ||
| 76.13% | 89.06% | - |
| Multi-Touch | ||
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Multimedia
| 3.5mm Jack | ||
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| Radio | ||
| - | FM radio | - |
| Games | ||
| Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | ||
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Camera
| Rear Camera | ||
| 12 MP, 4608 x 2592 pixels | 48 MP + 12 MP + 5 MP + 5 MP | 48 MP + 8 MP + 2 MP |
| Flash | ||
| LED Flash | LED Flash | LED Flash |
| Features | ||
| Phase Detection Autofocus, Dual Pixel, 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 | 48 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, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.4, (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) Panorama, HDR |
| Video | ||
| 2160p@30fps, 1080p@60fps, 720p@120fps, HDR, dual-video rec. | 2160p@30fps, 1080p@30fps | 1080p@30fps |
| Front Camera | ||
| 5 MP, f/1.7, Dual Video Call, Auto HDR | 32 MP, f/2.0, 25mm (wide) HDR 1080p@30fps |
13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm HDR, Panorama 1080p@30fps |
Connectivity and Data Rate
| GPRS | ||
| Yes | Yes | Yes |
| Edge | ||
| Yes | Yes | Yes |
| 3G | ||
| HSPA 42.2/5.76 Mbps, LTE Cat9 450/50 Mbps | HSPA, LTE-A | HSPA 42.2/5.76 Mbps, 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 b/g/n, Wi-Fi Direct, hotspot |
| USB | ||
| microUSB v2.0, USB Host | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | Yes |
| GPS | ||
| Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS |
| Browser | ||
| HTML5 | Yes | Yes |
User Memory
| Internal | ||
| 32 GB, 4 GB RAM | 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM | 64 GB, 3 GB RAM or 32 GB, 3 GB RAM |
| Expandable Storage | ||
| microSD upto 256GB | microSD, up to 512 GB (dedicated slot) | microSDXC |
| USB OTG | ||
| Supported | Supported | Supported |
Sensors
| 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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Battery
| Type | ||
| Non-removable Li-Po Battery | Non-removable Li-Po Battery Fast battery charging 15W |
Non-removable Li-Po Battery Battery Charging 10W |
| Capacity | ||
| 3600 mAh | 4000 mAh | 5000 mAh |
| Stand by | ||
| - | - | - |
| Talk Time | ||
| - | - | - |
