Phone Comparison - Oppo R1 R829T vs Samsung Galaxy A5 vs Microsoft Lumia 640 XL Dual SIM
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| Manufacturer | Oppo | Samsung | Microsoft |
| Announced | December 2013 | October 2014 | March 2015 |
| Status | Available - December 2013 | Available - November 2014 | Available - April 2015 |
| Price | - | Rs. 18,090 ($266.03) [Similarly Priced] | Rs. 12,999 ($191.16) [Similarly Priced] |
| Colors | White, Black | Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B | Matte cyan, Orange, Black, Matte white, Glossy white |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
142.7 x 70.4 x 7.1 mm (5.62 x 2.77 x 0.28 in) |
139.3 x 69.7 x 6.7 mm (5.48 x 2.74 x 0.26 in) |
157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in) |
| Weight | 140 g (4.94 oz) | 123 g (4.34 oz) | 171 g (6.03 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | TD-SCDMA 1880-1920/ 2010-2025 | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | LTE | - |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.2.1 (Jelly Bean) | Android OS, v4.4.2 (KitKat) | Microsoft Windows Phone 8.1 with Lumia Denim |
| Processor | Quad-core 1.3 GHz, MediaTek MT6582 | Quad-core 1.2 GHz | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 |
| GPU | Mali-400MP2 | - | Adreno 305 |
| RAM | 1 GB | 2 GB | 1 GB |
| Internal Memory | 16 GB | 16 GB | 8 GB |
| External Memory | No | microSD, up to 64 GB | microSD, up to 128 GB |
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| Type | IPS LCD capacitive touchscreen | Super AMOLED Capacitive Touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 5.0 inches | 5.7 inches |
| Resolution | 720 x 1280 pixels (294 ppi) | 720 x 1280 pixels (294 ppi) | 720 x 1280 pixels (259 ppi) |
| Screen-to-Body Ratio | 68.47% | 70.85% | 68.88% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | 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 | 13 MP, 4128 x 3096 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED flash | LED Flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Auto focus, Geo-tagging, Face Detection, Panorama, HDR, Wide Selfie, Rear-cam Selfie | Auto focus, Carl Zeiss Optics, 1/3'' Sensor Size |
| Video | Yes, 1080p | 1080p@30fps | 1080p@30fps |
| Front Camera | Yes, 5 MP [Similar] | 5 MP [Similar] | 5 MP, 1080p [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA+ | HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSPA 42.2/5.76 Mbps |
| Bluetooth | Yes, v4.0 with A2DP | v4.0, BLE, ANT+ | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, Beidou |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB, 1 GB RAM | 16 GB, 2 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | No | microSD, up to 64 GB | microSD, up to 128 GB |
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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 | Non-removable Li-Po Battery | Li-Ion Battery |
| Capacity | 2410 mAh | 2300 mAh | 3000 mAh |
| Stand by | - | - | Up to 936 h (2G) Up to 936 h (3G) |
| Talk Time | - | - | Up to 31 h 20 min (2G) Up to 23 h 40 min (3G) |
