Phone Comparison - Oppo R1 R829T vs HTC Desire 826 vs HTC Desire 820s dual sim
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| Manufacturer | Oppo | HTC | HTC |
| Announced | December 2013 | January 2015 | March 2015 |
| Status | Available - December 2013 | Coming Soon - Q1 2015 | Available - March 2015 |
| Price | - | Rs. 16,999 ($249.99) [Similarly Priced] | Rs. 27,900 ($410.29) [Similarly Priced] |
| Colors | White, Black | Various | Marble White, Milkyway Gray, Monarch Orange, Santorini White, Tu |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
142.7 x 70.4 x 7.1 mm (5.62 x 2.77 x 0.28 in) |
- |
157.7 x 78.7 x 7.7 mm (6.21 x 3.1 x 0.3 in) |
| Weight | 140 g (4.94 oz) | - | 155 g (5.47 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 TD-SCDMA 1900 / 2000 |
| 3G Network | TD-SCDMA 1880-1920/ 2010-2025 | HSDPA 850 / 900 / 1900 / 2100 - EMEA version HSDPA 900 / 2100 - Asia version |
HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | LTE 900 / 1800 / 2100 / 2600 - EMEA version | LTE 900 / 1800 / 2100 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600 (Bands 1, 3, 7, 8, 38, 39, 40, 41) |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail |
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| OS | Android OS, v4.2.1 (Jelly Bean) | Android OS, v5.0.1 (Lollipop) | Android OS, v4.4.4 (KitKat) |
| Processor | Quad-core 1.3 GHz, MediaTek MT6582 | Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 | Octa-core 1.7 GHz Cortex-A53, Mediatek MT6752 |
| GPU | Mali-400MP2 | Adreno 405 | Mali-T760MP2 |
| RAM | 1 GB | 2 GB | 2 GB |
| Internal Memory | 16 GB | 16 GB | 16 GB |
| External Memory | No | microSD, up to 128 GB | microSD, up to 32 GB |
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| Type | IPS LCD capacitive touchscreen | Capacitive touchscreen | Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 5.5 inches | 5.5 inches |
| Resolution | 720 x 1280 pixels (294 ppi) | 1080 x 1920 pixels (401 ppi) | 720 x 1280 pixels (267 ppi) |
| Screen-to-Body Ratio | 68.47% | - | 67.20% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 13 MP, 4160 x 3120 pixels | 13 MP, 4160 x 3120 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama |
| Video | Yes, 1080p | 1080p@30fps, 720p@60fps | 1080p@30fps |
| Front Camera | Yes, 5 MP [Similar] | 4 MP, 1080p (1/3' sensor size, 2µm pixel [Similar] | 8 MP, 1080p [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA+ | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v4.0 with A2DP | v4.0, A2DP, apt-X | 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, dual-band, Wi-Fi Direct, DLNA, hotspot | Wi-Fi 802.11 b/g/n, 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 |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB, 1 GB RAM | 16 GB, 2 GB RAM | 16 GB, 2 GB RAM |
| Expandable Storage | No | microSD, up to 128 GB | microSD, up to 32 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 | Non-removable Li-Po Battery |
| Capacity | 2410 mAh | 2600 mAh | 2600 mAh |
| Stand by | - | - | Up to 560 h (3G) |
| Talk Time | - | - | Up to 12 h 10 min (3G) |
