Phone Comparison - Samsung Galaxy J7 vs Xiaomi Redmi Note 3 (MediaTek) vs Xiaomi Mi 4S
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Xiaomi | Xiaomi |
| Announced | June 2015 | November 2015 | February 2016 |
| Status | Available - June 2015 | Available - November 2015 | Available - April 2016 |
| Price | Rs. 13,400 ($197.06) [Similarly Priced] | Rs. 11,999 ($176.46) [Similarly Priced] | Rs. 15,400 ($225.99) [Similarly Priced] |
| Colors | White, Black | Silver, Gray, Gold | Black, White, Gold, Purple |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
152.4 x 78.6 x 7.5 mm (6 x 3.09 x 0.3 in) |
150 x 76 x 8.7 mm (5.91 x 2.99 x 0.34 in) |
139.3 x 70.8 x 7.8 mm (5.48 x 2.79 x 0.31 in) |
| Weight | 171 g (6.03 oz) | 164 g (5.78 oz) | 133 g (4.69 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 TD-SCDMA |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 TD-SCDMA 1900 / 2000 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 1900 / 2100 TD-SCDMA 1900 / 2000 |
| 4G Network | LTE | LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) | LTE band 1(2100), 3(1800), 38(2600), 39(1900), 40(2300), 41(2500) |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - | - | - Fingerprint Sensor - Infrared Sensor |
| Notification LED | - | Yes | Yes |
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| OS | Android OS, v5.1 (Lollipop) | Android OS, v5.1 (Lollipop) | Android OS, v6.0 (Marshmallow) |
| Processor | Octa-core 1.2 GHz, Exynos 7580 | Octa-core, Mediatek MT6795 Helio X10 | Quad-core 1.44 GHz Cortex-A53 & dual-core 1.82 GHz Cortex-A57, Qualcomm MSM8992 Snapdragon 808 |
| GPU | Mali-T720 | PowerVR G6200 | Adreno 418 |
| RAM | 1.5 GB | 2/3 GB | 3 GB |
| Internal Memory | 16 GB | 16/32 GB | 64 GB |
| External Memory | microSD, up to 128 GB | microSD, up to 128 GB | microSD, up to 128 GB (Uses SIM 2 Slot) |
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| Type | Super AMOLED Capacitive Touchscreen | IPS LCD capacitive touchscreen | IPS LCD Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.5 inches | 5.5 inches | 5.0 inches |
| Resolution | 720 x 1280 pixels (267 ppi) | 1080 x 1920 pixels (401 ppi) | 1080 x 1920 pixels (441 ppi) |
| Screen-to-Body Ratio | 69.63% | 72.98% | 69.75% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio with RDS; recording | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, 4128 x 3096 pixels | 13 MP, 4128 x 3096 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | Dual-LED (Dual Tone) | Dual-LED (dual tone) |
| Features | Auto focus, Geo-tagging, Touch Focus, Beauty Face, Continuous Shots, Sensor Size: 1/3.06-inch, F1.9, Interval Shot, Panorama, Sports Mode, Sound and Shot Mode | Phase Detection Autofocus, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama | Phase Detection Autofocus, f/2.0, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps, 720p@120fps |
| Front Camera | 5 MP [Similar] | 5 MP, 1080p [Similar] | 5 MP, f/2.0, 1080p [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 | HSPA, LTE | HSPA, LTE Cat4 150/50 Mbps |
| Bluetooth | v4.1, A2DP | v4.1, A2DP, LE | v4.1, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | 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, WiFi Direct, hotspot |
| USB | microUSB v2.0 | microUSB v2.0, USB On-The-Go | Type-C 1.0 reversible connector, Qualcomm Quick Charge 2.0 |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, Beidou |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB, 1.5 GB RAM | 16/32 GB, 2/3 GB RAM | 64 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 128 GB | microSD, up to 128 GB | microSD, up to 128 GB (Uses SIM 2 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 | Li-Ion Battery | Li-Po Battery | Non-removable Li-Ion Battery |
| Capacity | 3000 mAh | 4000 mAh | 3260 mAh |
| Stand by | Up to 354 h | Up to 264 h (3G) | - |
| Talk Time | Up to 18 h (3G) | - | - |
Rs. 14,249 
Rs. 14,190 
