Phone Comparison - Xiaomi Redmi Note 4G vs Samsung Galaxy Note 4 vs Samsung Galaxy J7 Perx
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| Manufacturer | Xiaomi | Samsung | Samsung |
| Announced | August 2014 | September 2014 | Not Announced Yet |
| Status | Available - November 2014 | Available - October 2014 | Rumored |
| Colors | Black/White | Frosted white, Charcoal black, Bronze Gold, Blossom Pink | 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) |
153.5 x 78.6 x 8.5 mm (6.04 x 3.09 x 0.33 in) |
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| Weight | 199 g (7.02 oz) | 176 g (6.21 oz) | - |
| SIM Type | - | - | Dual-SIM |
| 2G Network | GSM 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | TD-SCDMA 1900 / 2000 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 / 800 - Taiwan |
| 4G Network | TD-LTE 1900 / 2300 / 2600 | LTE 800 / 850 / 900 / 1800 / 2100 / 2600 | LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - Taiwan |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| Build Features | - | - | - Fingerprint Sensor |
| Notification LED | - | - | Yes |
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| OS | Android OS, v4.2 (Jelly Bean) | Android OS, v4.4.4 (KitKat) | Android OS, v7.0 (Nougat) |
| Processor | Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400 | Quad-core 2.7 GHz Krait 450 (SM-N910S) Quad-core 1.3 GHz Cortex-A53 & 1.9GHz quad-core Cortex-A57 (SM-N910C), Qualcomm Snapdragon 805 (SM-N910S) Exynos 5433 (SM-N910C) |
Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 |
| GPU | Adreno 305 | Adreno 420 (SM-N910S) Mali-T760 (SM-N910C) |
Adreno 506 |
| RAM | 2 GB | 3 GB | 2/3 GB |
| Internal Memory | 8 GB | 32 GB | 16/32 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 64 GB | microSD, up to 256 GB |
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| Type | IPS LCD capacitive touchscreen | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3 | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.5 inches | 5.7 inches | 5.5 inches |
| Resolution | 720 x 1280 pixels (267 ppi) | 1440 x 2560 pixels (515 ppi) | 1080 x 1920 pixels (401 ppi) |
| Screen-to-Body Ratio | 68.82% | 74.32% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | 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 | 16 MP, 3456 x 4608 pixels | 13 MP, 4160 x 3120 pixels |
| Flash | LED flash | LED Flash | Dual-LED (dual Tone) |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR | Auto focus, Smart OIS, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, Panorama, HDR | Phase Detection Autofocus (PDAF), f/1.9 aperture, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR |
| Video | 1080p@30fps | 2160p@30fps, 1080p@60fps, optical stabilization | 1080p@30fps |
| Front Camera | 5 MP [Similar] | 3.7 MP, 1080p@30fps [Similar] | 5 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | TD-SCDMA; LTE | HSDPA, 42 Mbps; HSUPA; LTE, Cat4 (N910C), Cat6 (N910S), 50 Mbps UL, 300 Mbps (N910S), 150 Mbps (N910C) DL | HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps, VoLTE |
| Bluetooth | v4.0, A2DP, LE | v4.1, A2DP, EDR, LE | v4.2, A2DP, EDR, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot |
| USB | microUSB v2.0, USB On-the-go | microUSB v2.0 (MHL 2), USB Host | Type-C 1.0 reversible connector |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, Baidu | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 8 GB, 2 GB RAM | 32 GB, 3 GB RAM | 16/32 GB, 2/3 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 64 GB | microSD, up to 256 GB |
| USB OTG | Supported | 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 | Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 3200 mAh | 3220 mAh | 3300 mAh |
| Stand by | Up to 775 h (3G) | - | - |
| Talk Time | Up to 38 h (2G) Up to 14 h (3G) |
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