Phone Comparison - Samsung Galaxy S8 vs Apple iPhone 8 vs Xiaomi Redmi K40
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| Price Comparison (India) | - | ||
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| Manufacturer | Samsung | Apple | Xiaomi |
| Announced | March 2017 | September 2017 | 2021, February 25 |
| Status | Available - April 2017 | Coming Soon - September 2017 | Coming soon. Exp. release 2021, March |
| Price | Rs. 57,900 ($720.00) [Similarly Priced] | Rs. 64,000 ($699.00) [Similarly Priced] | - |
| Colors | Black, White, Gold, Silver, Pink Gold | Space Gray, Silver Gold | Black, White, Aurora |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
148.9 x 68.1 x 8 mm (5.86 x 2.68 x 0.31 in) |
138.4 x 67.3 x 7.3 mm (5.45 x 2.65 x 0.29 in) |
163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) |
| Weight | 155 g (5.47 oz) | 148 g (5.22 oz) | 196 g (6.91 oz) |
| SIM Type | Dual-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 CDMA2000 1xEV-DO & TD-SCDMA |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE | LTE | 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42 |
| 5G Network | - | - | 1, 3, 28, 38, 41, 77, 78 SA/NSA |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | |
| Build Features | - | - Fingerprint Sensor - IP68 certified - dust and water resistant - Water resistant up to 1.5 meters and 30 minutes - Apple Pay (Visa, MasterCard, AMEX certified) |
- Fingerprint Sensor (side-mounted) |
| Notification LED | Yes | Yes | - |
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| OS | Android OS, v7.0 (Nougat) | iOS 11 | Android 11 |
| 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 |
Hexa-core, Apple A11 Bionic | Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585), Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) |
| GPU | Adreno 540 | - | Adreno 650 |
| RAM | 4 GB | 2 GB | 12 GB |
| Internal Memory | 64 GB | 64/256 GB | 256 GB |
| External Memory | microSD, up to 256 GB (dedicated slot) | No | No |
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| Type | Super AMOLED capacitive touchscreen, Gorilla Glass 5 | LED-backlit IPS LCD, Capacitive Touchscreen, Ion-strengthened Glass, Oleophobic Coating | FHD+ IPS LCD Screen 144Hz Refresh Rate HDR10 Corning Gorilla Glass |
| Colors | 16M colors | 16M colors | 16M Colour |
| Size | 5.8 inches | 4.7 inches | 6.67 inches |
| Resolution | 1440 x 2960 pixels (568 ppi) | 750 x 1334 pixels (326 ppi) | 1080 x 2400 pixels (395 ppi) |
| Screen-to-Body Ratio | 84.06% | 65.21% | 85.70% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | No | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 12 MP | 12 MP | 48 MP + 8 MP + 5 MP |
| Flash | Dual-LED (Dual Tone) | Quad-LED (dual Tone) Flash | LED Flash |
| Features | Phase Detection Autofocus, OIS, f/1.7 aperture, Geo-tagging, Simultaneous 4K Video And 9MP Image Recording, Touch Focus, Face/smile Detection, Auto HDR, Panorama | Phase Detection Autofocus, f/1.8, 28mm, OIS, 1/3" Sensor Size, Geo-tagging, Simultaneous 4K Video And 8MP Image Recording, Touch Focus, Face/smile Detection, HDR (photo/panorama) | 48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF 8 MP, 119˚ (ultrawide) 5 MP, 50mm (macro), 1/5.0", 1.12µm HDR, panorama |
| Video | 2160p@60fps, 1080p@120fps, HDR, dual-video rec. | 2160p@30fps, 1080p@30/60/120fps, 720p@240fps | 4K@30fps, 1080p@30/60/120fps; gyro-EIS |
| Front Camera | 8 MP, AF [Similar] | 7 MP, f/2.2, 32mm, 1080p@30fps, 720p@240fps, face detection, HDR, panorama [Similar] |
20 MP, f/2.0, (wide), 1/3", 0.9µm HDR 1080p@30fps, 720p@120fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE, VoLTE | HSPA 42.2/5.76 Mbps, LTE-A (4CA) Cat16 1024/150 Mbps, EV-DO Rev.A 3.1 Mbps | HSPA 42.2/5.76 Mbps, LTE-A, 5G |
| Bluetooth | v4.2, A2DP, LE, aptX | 5.0, A2DP, LE | 5.1, A2DP, LE, aptX HD |
| 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, hotspot | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot |
| USB | v3.1, Type-C 1.0 reversible connector | 3.0, reversible connector | USB Type-C 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS |
| Browser | HTML5 | HTML5 (Safari) | Yes |
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| Internal | 64 GB, 4 GB RAM | 64/256 GB, 2 GB RAM | 256 GB, 12 GB RAM or 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 3.1 |
| Expandable Storage | microSD, up to 256 GB (dedicated slot) | No | No |
| USB OTG | Supported | Not 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-Ion battery | Non-removable Li-Ion battery | Non-removable Li-Po Battery Fast battery charging 33W, 100% in 52 min (advertised) Power Delivery 3.0 Quick Charge 3+ |
| Capacity | 3000 mAh | - | 4520 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 57,900 
Rs. 63,988 
