Phone Comparison - Samsung Galaxy Grand 2 vs Oppo R1 R829T vs Xiaomi Redmi Note 2
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| Manufacturer | Samsung | Oppo | Xiaomi |
| Announced | November 2013 | December 2013 | August 2015 |
| Status | Available - Q4 2013 | Available - December 2013 | Available - August 2015 |
| Price | - | - | Rs. 9,700 ($141.99) [Similarly Priced] |
| Colors | Black, White, Pink | White, Black | Black, White, Yellow, Mint Green, Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
146.8 x 75.3 x 8.9 mm (5.78 x 2.96 x 0.35 in) |
142.7 x 70.4 x 7.1 mm (5.62 x 2.77 x 0.28 in) |
152 x 76 x 8.3 mm (5.98 x 2.99 x 0.33 in) |
| Weight | 163 g (5.75 oz) | 140 g (4.94 oz) | 160 g (5.64 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SM-G7100 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - G7102 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | TD-SCDMA 1880-1920/ 2010-2025 | HSDPA 850 / 900 / 1900 / 2100, TD-SCDMA |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - SM-G7105 | - | LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.3 (Jelly Bean) | Android OS, v4.2.1 (Jelly Bean) | Android OS, v5.0 (Lollipop) based MIUI 7 |
| Processor | Quad-core 1.2 GHz Cortex-A7 | Quad-core 1.3 GHz, MediaTek MT6582 | Octa-core 2.0 GHz Cortex-A53, Mediatek MT6795 |
| GPU | - | Mali-400MP2 | PowerVR G6200 |
| RAM | 1.5 GB | 1 GB | 2 GB |
| Internal Memory | 8 GB | 16 GB | 16 GB |
| External Memory | microSD, up to 64 GB | No | Yes |
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| Type | TFT capacitive touchscreen | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.25 inches | 5.0 inches | 5.5 inches |
| Resolution | 720 x 1280 pixels (280 ppi) | 720 x 1280 pixels (294 ppi) | 1080 x 1920 pixels (401 ppi) |
| Screen-to-Body Ratio | 68.61% | 68.47% | 72.02% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM Radio with Recording | Stereo FM radio with RDS | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 8 MP, 3264x2448 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Phase Detection Auto focus (PDAF), Geo-tagging, Touch Focus, Face/smile Detection, HDR |
| Video | Yes, 1080p@30fps, stereo sound rec. | Yes, 1080p | 1080p@30fps |
| Front Camera | Yes, 1.9 MP, 720p [Similar] | Yes, 5 MP [Similar] | 5 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA+ | TD-SCDMA |
| Bluetooth | Yes, v4.0 with A2DP, LE, EDR | Yes, v4.0 with A2DP | v4.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot, DLNA | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | microUSB v2.0, USB Host |
| GPS | Yes, with A-GPS, support and GLONASS | Yes, with A-GPS support | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 8 GB, 1.5 GB RAM | 16 GB, 1 GB RAM | 16 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 64 GB | No | Yes |
| 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-Ion Battery | Li-Po Battery |
| Capacity | 2600 mAh | 2410 mAh | 3060 mAh |
| Stand by | - | - | - |
| Talk Time | Up to 17 h | - | - |
