Phone Comparison - Xiaomi Redmi Note 4G vs Xiaomi Redmi 3S Prime vs Vivo Y21L
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| Price Comparison (India) | - | - | |
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| Manufacturer | Xiaomi | Xiaomi | vivo |
| Announced | August 2014 | August 2016 | August 2016 |
| Status | Available - November 2014 | Available - August 2016 | Available - August 2016 |
| Price | - | Rs. 8,999 ($132.34) [Similarly Priced] | Rs. 7,170 ($105.44) [Similarly Priced] |
| Colors | Black/White | Dark Gray, Silver, Gold | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
154 x 78.7 x 9.5 mm (6.06 x 3.1 x 0.37 in) |
139.3 x 69.6 x 8.5 mm (5.48 x 2.74 x 0.33 in) |
130.7 x 66.4 x 9.2 mm (5.15 x 2.61 x 0.36 in) |
| Weight | 199 g (7.02 oz) | 144 g (5.08 oz) | 145 g (5.11 oz) |
| SIM Type | - | Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) | - |
| 2G Network | GSM 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 |
| 3G Network | TD-SCDMA 1900 / 2000 | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 1700 / 1900 / 2100 - XT1527, XT1511 HSDPA 850 / 900 / 1900 / 2100 - XT1505 |
| 4G Network | TD-LTE 1900 / 2300 / 2600 | LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) | LTE 700 / 850 / 1700 / 1900 / 2100 / 2600 (Bands 2, 4, 5, 7, 12, 17) - XT1527 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| Build Features | - | - Fingerprint Sensor - Metal Body |
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| OS | Android OS, v4.2 (Jelly Bean) | Android OS, v6.0.1 (Marshmallow) | Android OS, v5.1 (Lollipop) |
| Processor | Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400 | Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8937 Snapdragon 430 | Quad-core 1.2 GHz Cortex-A53, Qualcomm Snapdragon 410 |
| GPU | Adreno 305 | Adreno 505 | Adreno 306 |
| RAM | 2 GB | 3 GB | 1 GB |
| Internal Memory | 8 GB | 32 GB | 16 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 32 GB |
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| Type | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.5 inches | 5.0 inches | 4.5 inches |
| Resolution | 720 x 1280 pixels (267 ppi) | 720 x 1280 pixels (294 ppi) | 480 x 854 pixels (218 ppi) |
| Screen-to-Body Ratio | 68.82% | 70.95% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, 4128 x 3096 pixels | 13 MP, 4160 x 3120 pixels | 5 MP, 2592 х 1944 pixels |
| Flash | LED flash | LED Flash | LED Flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR | Phase Detection Autofocus, f/2.0, 5P Lens, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama | Auto focus, Geo-tagging, Panorama, HDR |
| Video | 1080p@30fps | 1080p@30fps | 720p@30fps |
| Front Camera | 5 MP [Similar] | 5 MP, f/2.2, 1080p@30fps [Similar] | 2 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | TD-SCDMA; LTE | HSPA, LTE, EV-DO Rev.A 3.1 Mbps | HSPA, LTE |
| Bluetooth | v4.0, A2DP, LE | v4.1, A2DP | v4.0, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, hotspot |
| USB | microUSB v2.0, USB On-the-go | microUSB v2.0 | microUSB v2.0, USB OTG |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML |
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| Internal | 8 GB, 2 GB RAM | 32 GB, 3 GB RAM | 16 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 32 GB |
| 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 | Li-Po Battery | Non-removable Li-Ion Battery | Li-Ion battery |
| Capacity | 3200 mAh | 4100 mAh | 2000 mAh |
| Stand by | Up to 775 h (3G) | - | - |
| Talk Time | Up to 38 h (2G) Up to 14 h (3G) |
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Rs. 8,999 
