Phone Comparison - Oppo Find 7 QHD vs Samsung Galaxy Alpha vs Xiaomi Mi 4 LTE
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| Manufacturer | Oppo | Samsung | Xiaomi |
| Announced | March 2014 | August 2014 | December 2014 |
| Status | Available - May 2014 | Available - September 2014 | Available - December 2014 |
| Price | - | - | Rs. 11,999 ($176.46) [Similarly Priced] |
| Colors | White, Black | Black, white, gold, silver, blue | White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
152.6 x 75 x 9.2 mm (6.01 x 2.95 x 0.36 in) |
132.4 x 65.5 x 6.7 mm (5.21 x 2.58 x 0.26 in) |
139.2 x 68.5 x 8.9 mm (5.48 x 2.7 x 0.35 in) |
| Weight | 173 g (6.1 oz) | 115 g (4.06 oz) | 149 g (5.26 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE | LTE | LTE - international model |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS | Android OS, v4.4.4 (KitKat) | Android OS, v4.4.3 (KitKat) |
| Processor | Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 | Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430 | Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 |
| GPU | Adreno 330 | Mali-T628 MP6 | Adreno 330 |
| RAM | 3 GB | 2 GB | 3 GB |
| Internal Memory | 32 GB | 32 GB | 16 GB |
| External Memory | microSD, up to 64 GB | No | No |
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| Type | IPS LCD capacitive touchscreen | Super AMOLED capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.5 inches | 4.7 inches | 5.0 inches |
| Resolution | 2560 x 1440 pixels (534 ppi) | 720 x 1280 pixels (320 ppi) | 1080 x 1920 pixels (441 ppi) |
| Screen-to-Body Ratio | 72.87% | 66.95% | 72.14% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | No | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, 4128 x 3096 pixels | 12 MP, 4128 x 3096 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | Dual-LED flash | LED flash | dual-LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR | Auto focus, 1/3' Sensor Size, 1.12�m Pixel Size, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR |
| Video | Yes, 2160p@30fps, 1080p@30fps, 720p@120fps | 2160p@30fps | 2160p@30fps, 1080p@30fps, 720p@120fps, HDR |
| Front Camera | Yes, 5 MP [Similar] | 2.1 MP [Similar] | 8 MP, 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA+, LTE | HSDPA, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v4.0 with A2DP | v4.0, A2DP, EDR, LE | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, 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, dual-band, Wi-Fi Direct, DLNA, hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0 | microUSB v2.0, USB Host |
| GPS | Yes, with A-GPS support | Yes, with A-GPS, GLONASS | Yes, with A-GPS support, GLONASS, Beidou |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 32 GB, 3 GB RAM | 32 GB, 2 GB RAM | 16 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 64 GB | No | No |
| 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 | Non-removable Li-Ion Battery | Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 3000 mAh | 1860 mAh | 3080 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
