Phone Comparison - Xiaomi Redmi Note 2 vs Xiaomi Mi 4i vs Oppo R7
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| Manufacturer | Xiaomi | Xiaomi | Oppo |
| Announced | August 2015 | April 2015 | May 2015 |
| Status | Available - August 2015 | Available - April 2015 | Available - May 2015 |
| Price | Rs. 9,700 ($141.99) [Similarly Priced] | Rs. 8,999 ($132.34) [Similarly Priced] | Rs. 17,990 ($264.56) [Similarly Priced] |
| Colors | Black, White, Yellow, Mint Green, Blue | Black, White, Blue, Yellow, Pink | Golden, Silver |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
152 x 76 x 8.3 mm (5.98 x 2.99 x 0.33 in) |
138.1 x 69.6 x 7.8 mm (5.44 x 2.74 x 0.31 in) |
143 x 71 x 6.3 mm (5.63 x 2.8 x 0.25 in) |
| Weight | 160 g (5.64 oz) | 130 g (4.59 oz) | 147 g (5.19 oz) |
| 2G Network | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100, TD-SCDMA | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 - Global, Taiwan HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA |
| 4G Network | LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) | LTE | LTE band 1(2100), 3(1800), 7(2600), 8(900), 40(2300) - Global LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 28(700), 40(2300) - Taiwan LTE band 1(2100), 3(1800), 4(1700/2100), 7(2600), 17(700), 20(800) - USA |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail |
| Build Features | - | - | Support for Gloved and Wet Touch Input |
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| OS | Android OS, v5.0 (Lollipop) based MIUI 7 | Android OS, v5.0 (Lollipop) | Android OS, v5.1 (Lollipop) |
| Processor | Octa-core 2.0 GHz Cortex-A53, Mediatek MT6795 | Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 | Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 |
| GPU | PowerVR G6200 | Adreno 405 | Adreno 405 |
| RAM | 2 GB | 2 GB | 3 GB |
| Internal Memory | 16 GB | 16/32 GB | 16 GB |
| External Memory | Yes | No | microSD, up to 128 GB (uses SIM 2 slot) |
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| Type | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen | AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.5 inches | 5.0 inches | 5.0 inches |
| Resolution | 1080 x 1920 pixels (401 ppi) | 1080 x 1920 pixels (441 ppi) | 1080 x 1920 pixels (445 ppi) |
| Screen-to-Body Ratio | 72.02% | 71.57% | 66.54% |
| 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 | 13 MP, 4128 x 3096 pixels | 13 MP, 4128 x 3096 pixels, Schneider-Kreuznach O |
| Flash | LED flash | LED flash | LED Flash |
| Features | Phase Detection Auto focus (PDAF), Geo-tagging, Touch Focus, Face/smile Detection, HDR | Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR | Phase Detection Auto-focus, Geo-tagging, Touch Focus, Face Detection, Colorful Night, Slow Shutter, Expert Mode, Beautify, Ultra HD, Panorama, Audio Photo, GIF, Double Exposure, Super Macro, RAW, HDR, Gorgeous Color Filters, Blurred Background, Fast Lens, |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 5 MP [Similar] | 5 MP [Similar] | 8 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | TD-SCDMA | HSPA, LTE | HSPA, LTE Cat4 150/50 Mbps |
| Bluetooth | v4.0, A2DP, LE | v4.0, A2DP | v4.0 |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | microUSB v2.0, USB Host | microUSB v2.0 | microUSB v2.0, USB Host |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB, 2 GB RAM | 16/32 GB, 2 GB RAM | 16 GB, 3 GB RAM |
| Expandable Storage | Yes | No | microSD, up to 128 GB (uses SIM 2 slot) |
| 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 | Li-Po Battery | Non-removable Li-Po Battery |
| Capacity | 3060 mAh | 3120 mAh | 2320 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
