Phone Comparison - Xiaomi Redmi Note 4 vs Samsung Galaxy S9 vs Xiaomi Redmi Note 9S
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| Manufacturer | Xiaomi | Samsung | Xiaomi |
| Announced | January 2017 | February 2018 | March 2020 |
| Status | Available - January 2017 | Coming Soon, March 2018 | Coming Soon - April 2020 |
| Price | Rs. 10,999 ($145.00) [Similarly Priced] | Rs. 52,999 ($750.00) [Similarly Priced] | - |
| Colors | Gold, Silver, Gray | Various | Aurora Blue, Glacier White, Interstellar Gray |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
151 x 76 x 8.45 mm (5.94 x 2.99 x 0.33 in) |
147.7 x 68.7 x 8.5 mm (5.81 x 2.7 x 0.33 in) |
165.8 x 76.7 x 8.8 mm (6.53 x 3.02 x 0.35 in) |
| Weight | 165 g (5.82 oz) | 163 g (5.75 oz) | 209 g (7.37 oz) |
| SIM Type | Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) | Single SIM (Nano-SIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | 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 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE | LTE | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300) |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM | |
| Build Features | - Fingerprint Sensor - Infrared Sensor |
- Fingerprint Sensor - Samsung Pay (Visa, MasterCard certified) - IP68 certified - dust/water proof over 1.5 meter and 30 minutes |
- Fingerprint Sensor (side-mounted) Splash-proof |
| Notification LED | Yes | Yes | - |
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| OS | Android OS, v6.0.1 (Marshmallow) | Android 8.0 (Oreo) | Android 10.0 |
| User Interface | MIUI 8 | Samsung Experience | MIUI 11 |
| Processor | Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 | Octa-core (4x2.8 GHz Mongoose M3 & 4x1.7 GHz Cortex-A55) - EMEA Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA & China, Exynos 9810 Octa - EMEA Qualcomm Snapdragon 845 |
Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver), Qualcomm SM7125 Snapdragon 720G (8 nm) |
| GPU | Adreno 506 | Mali-G72 MP18 - EMEA Adreno 630 - USA & China |
Adreno 618 |
| RAM | 2/3/4 GB | 4 GB | 6 GB |
| Internal Memory | 32/64 GB | 64 GB | 128 GB |
| External Memory | microSD, up to 128 GB | microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only | microSDXC (dedicated slot) |
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| Type | IPS LCD Capacitive Touchscreen | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5 | FHD+ IPS LCD Capacitive Touchscreen Corning Gorilla Glass 5 450 nits typ. brightness (advertised) |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.5 inches | 5.8 inches | 6.67 inches |
| Resolution | 1080 x 1920 pixels (401 ppi) | 1440 x 2960 pixels (568 ppi) | 1080 x 2400 pixels (395 ppi) |
| Screen-to-Body Ratio | 72.50% | 84.00% | 84.28% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM Radio | No | FM radio, recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP | 12 MP | 48 MP + 8 MP + 5 MP + 2 MP |
| Flash | Dual-LED (Dual Tone) | LED Flash | LED flash |
| Features | Phase Detection Autofocus, f/2.0 aperture, Sony IMX258/Samsung S5K3L8 sensor, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Phase Detection Autofocus, f/1.5 - f/2.4 variable aperture lens, 26mm, 1/2.5", 1.4 µm, Dual Pixel PDAF, OIS, Geo-tagging, Simultaneous 4K Video And 9MP Image Recording, Touch Focus, Face/smile Detection, Auto HDR, Panorama | 48 MP, f/1.8, 26mm (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), 1.12µm 2 MP, f/2.4, (depth) HDR, Panorama |
| Video | 2160p@30fps, 1080p@30fps, 720p@120fps | 2160p@30fps, 1080p@60fps, HDR, dual-video rec. | 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS |
| Front Camera | 5 MP, 1080p, f/2.0 [Similar] | 8 MP, f/1.6, autofocus, 1440p, dual video call, Auto HDR [Similar] |
16 MP Punch-Hole, f/2.5, 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, VoLTE | HSPA 42.2/5.76 Mbps, LTE-A (4CA) Cat16 1024/150 Mbps | HSPA 42.2/5.76 Mbps, LTE-A |
| Bluetooth | v4.2, A2DP, LE | 5.0, A2DP, LE, aptX | 5.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi 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 On-The-Go | 3.1, Type-C 1.0 reversible connector | 2.0, Type-C 1.0 reversible connector |
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | HTML5 | HTML5 | Yes |
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| Internal | 32/64 GB, 2/3/4 GB RAM | 64 GB, 4 GB RAM | 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1) |
| Expandable Storage | microSD, up to 128 GB | microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only | microSDXC (dedicated slot) |
| USB OTG | Yes | 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 18W |
| Capacity | 4100 mAh | 3000 mAh | 5020 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 10,999 
