Phone Comparison - Apple iPhone 6s vs Samsung Galaxy A51 vs Xiaomi Redmi Note 9 Pro (Global Version)
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| Price Comparison (India) | - | ||
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| Manufacturer | Apple | Samsung | Xiaomi |
| Announced | September 2015 | December 2019 | April 2020 |
| Status | Available - September 2015 | Coming Soon - December 12, 2019 | Coming Soon - May 2020 |
| Price | Rs. 41,999 ($617.63) [Similarly Priced] | Rs. 23,999 ($0.00) [Similarly Priced] | - |
| Colors | Space Gray, Silver, Gold, Rose Gold | Prism Crush White, Black, Pink, Blue | Tropical Green, Glacier White, Interstellar Gray |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
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) |
165.8 x 76.7 x 8.8 mm (6.53 x 3.02 x 0.35 in) |
| Weight | 143 g (5.04 oz) | 172 g (6.07 oz) | 209 g (7.37 oz) |
| SIM Type | - | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1700 / 1900 / 2100 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1700 / 1900 / 2100 CDMA2000 1xEV-DO |
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 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 (unspecified) | 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 |
| SAR US |
1.14 W/kg (head) 1.14 W/kg (body) |
- W/kg (head) - W/kg (body) |
- W/kg (head) - W/kg (body) |
| SAR EU |
0.87 W/kg (head) 0.98 W/kg (body) |
- W/kg (head) - W/kg (body) |
- W/kg (head) - W/kg (body) |
| Messaging | SMS, MMS, Push Mail, EMail, IM | ||
| Build Features | - Fingerprint sensor (TouchID v2) - 3D Touch display - Apple Pay (Visa, MasterCard, AMEX certified) |
- Fingerprint Sensor(In-display) |
- Fingerprint Sensor (side-mounted) |
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| OS | iOS 9 | Android 9.0 (Pie) | Android 10 |
| User Interface | - | One UI | MIUI 11 |
| Processor | 2 GHz Dual-core, Apple A9 | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) | Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver), Qualcomm SM7125 Snapdragon 720G (8 nm) |
| GPU | - | Mali-G72 MP3 | Adreno 618 |
| RAM | 2 GB | 8 GB | 6 GB |
| Internal Memory | 16/64/128 GB | 128 GB | 128 GB |
| External Memory | No | microSD, up to 512 GB (dedicated slot) | microSDXC (dedicated slot) |
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| Type | LED-backlit IPS LCD, Capacitive Touchscreen, Ion-Strengthened Glass, Oleophobic Coating | Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 5 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 6.5 inches | 6.67 inches |
| Resolution | 750 x 1334 pixels (326 ppi) | 1080 x 2340 pixels (396 ppi) | 1080 x 2400 pixels (395 ppi) |
| Screen-to-Body Ratio | 65.45% | 89.06% | 84.28% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | FM radio | - |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 12 MP, 4608 x 2592 pixels | 48 MP + 12 MP + 5 MP + 5 MP | 64 MP + 8 MP + 5 MP + 2 MP |
| Flash | Real-tone Flash | LED Flash | LED flash |
| Features | Phase-Detection AutoFocus, Geo-tagging, Simultaneous HD Video And 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 |
64 MP, f/1.9, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 119° (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro), 1/5.0", 1.12µm, AF 2 MP, f/2.4, (depth) HDR, panorama |
| Video | 2160p@30fps, 1080p@60fps, 720p@240fps | 2160p@30fps, 1080p@30fps | 2160p@30fps, 1080p@30/60/120fps, 720p@960fps |
| Front Camera | 5 MP, 1080p@30fps, 720p@240fps [Similar] |
32 MP, f/2.0, 25mm (wide) HDR 1080p@30fps [Similar] |
16 MP, f/2.0, 26mm (wide), 1/3.1", 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 Cat4 150/50 Mbps, EV-DO Rev.A 3.1 Mbps | HSPA, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A |
| Bluetooth | v4.1, A2DP, LE | 5.0, 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, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| USB | v2.0, reversible connector | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | 2.0, Type-C 1.0 reversible connector |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | HTML5 (Safari) | Yes | Yes |
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| Internal | 16/64/128 GB, 2 GB RAM | 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM | 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1) |
| Expandable Storage | No | microSD, up to 512 GB (dedicated slot) | microSDXC (dedicated slot) |
| USB OTG | - | Supported | 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 Fast battery charging 15W |
Non-removable Li-Po Battery Fast battery charging 30W |
| Capacity | 1715 mAh | 4000 mAh | 5020 mAh |
| Stand by | Up to 240 h (3G) | - | - |
| Talk Time | Up to 14 h (3G) | - | - |
Rs. 41,999 
Rs. 40,990 
