Phone Comparison - Apple iPhone 6s vs Apple iPhone 7 vs Samsung Galaxy A51
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| Manufacturer | Apple | Apple | Samsung |
| Announced | September 2015 | September 2016 | December 2019 |
| Status | Available - September 2015 | Available - September 2016 | Coming Soon - December 12, 2019 |
| Price | Rs. 41,999 ($617.63) [Similarly Priced] | Rs. 60,000 ($882.35) [Similarly Priced] | Rs. 23,999 ($0.00) [Similarly Priced] |
| Colors | Space Gray, Silver, Gold, Rose Gold | Jet Black, Black, Silver, Gold, Rose Gold | Prism Crush White, Black, Pink, Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
138.3 x 67.1 x 7.1 mm (5.44 x 2.64 x 0.28 in) |
138.3 x 67.1 x 7.1 mm (5.44 x 2.64 x 0.28 in) |
158.4 x 73.7 x 7.9 mm (6.24 x 2.9 x 0.31 in) |
| Weight | 143 g (5.04 oz) | 138 g (4.87 oz) | 172 g (6.07 oz) |
| SIM Type | - | Nano SIM | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1700 / 1900 / 2100 |
GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network | HSDPA 850 / 900 / 1700 / 1900 / 2100 CDMA2000 1xEV-DO |
HSDPA 850 / 900 / 1700 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | 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), 29(700) - A1688 LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12( |
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), 29(700) | LTE (unspecified) |
| SAR US |
1.14 W/kg (head) 1.14 W/kg (body) |
1.19 W/kg (head) 1.19 W/kg (body) |
- W/kg (head) - W/kg (body) |
| SAR EU |
0.87 W/kg (head) 0.98 W/kg (body) |
1.38 W/kg (head) 1.34 W/kg (body) |
- W/kg (head) - W/kg (body) |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM | |
| Build Features | - Fingerprint sensor (TouchID v2) - 3D Touch display - Apple Pay (Visa, MasterCard, AMEX certified) |
- Fingerprint with Force Touch - IP67 certified - dust and water resistant - Water resistant up to 1 meter and 30 minutes - Apple Pay (Visa, MasterCard, AMEX certified) |
- Fingerprint Sensor(In-display) |
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| OS | iOS 9 | iOS 10 | Android 9.0 (Pie) |
| Processor | 2 GHz Dual-core, Apple A9 | Quad-core, Apple A10 Fusion | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) |
| GPU | - | 6 core | Mali-G72 MP3 |
| RAM | 2 GB | 2 GB | 8 GB |
| Internal Memory | 16/64/128 GB | 32/128/256 GB | 128 GB |
| External Memory | No | No | microSD, up to 512 GB (dedicated slot) |
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| Type | LED-backlit IPS LCD, Capacitive Touchscreen, Ion-Strengthened Glass, Oleophobic Coating | LED-backlit IPS LCD Capacitive Touchscreen, 3D Touch Display, Ion-strengthened Glass, Oleophobic Coating | Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 4.7 inches | 6.5 inches |
| Resolution | 750 x 1334 pixels (326 ppi) | 750 x 1334 pixels (326 ppi) | 1080 x 2340 pixels (396 ppi) |
| Screen-to-Body Ratio | 65.45% | 65.45% | 89.06% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | No | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 12 MP, 4608 x 2592 pixels | 12 MP | 48 MP + 12 MP + 5 MP + 5 MP |
| Flash | Real-tone Flash | Quad-LED (dual tone) | LED Flash |
| Features | Phase-Detection AutoFocus, Geo-tagging, Simultaneous HD Video And Image Recording, Touch Focus, Face/smile Detection, HDR (Photo/Panorama) | Phase Detection Autofocus, f/1.8, OIS, Geo-tagging, simultaneous 4K video and 8MP image recording, touch focus, face/smile detection, HDR (photo/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 |
| Video | 2160p@30fps, 1080p@60fps, 720p@240fps | 2160p@30fps, 1080p@60fps,1080p@120fps, 720p@240fps | 2160p@30fps, 1080p@30fps |
| Front Camera | 5 MP, 1080p@30fps, 720p@240fps [Similar] | 7 MP, 1080p@30fps, 720p@240fps, face detection, HDR, panorama [Similar] |
32 MP, f/2.0, 25mm (wide) HDR 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, EV-DO Rev.A 3.1 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps, EV-DO Rev.A 3.1 Mbps | HSPA, LTE-A |
| Bluetooth | v4.1, A2DP, LE | v4.2, A2DP, LE | 5.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| USB | v2.0, reversible connector | v2.0, reversible connector | 2.0, Type-C 1.0 reversible connector, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | HTML5 (Safari) | HTML5 (Safari) | Yes |
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| Internal | 16/64/128 GB, 2 GB RAM | 32/128/256 GB, 2 GB RAM | 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM |
| Expandable Storage | No | No | microSD, up to 512 GB (dedicated slot) |
| USB OTG | - | - | Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| NFC | |
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| Type | Non-removable Li-Po Battery (6.9 Wh) | Non-removable Li-Po battery | Non-removable Li-Po Battery Fast battery charging 15W |
| Capacity | 1715 mAh | 1960 mAh | 4000 mAh |
| Stand by | Up to 240 h (3G) | - | - |
| Talk Time | Up to 14 h (3G) | Up to 14 h | - |
Rs. 41,999 
Rs. 40,990 
Rs. 60,000 
