Phone Comparison - Samsung Galaxy S Duos 2 S7582 vs Samsung Galaxy S6 vs HTC Desire 820s dual sim
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Samsung | HTC |
| Announced | November 2013 | March 2015 | March 2015 |
| Status | Available - November 2013 | Available - April 2015 | Available - March 2015 |
| Price | - | Rs. 29,999 ($441.16) [Similarly Priced] | Rs. 27,900 ($410.29) [Similarly Priced] |
| Colors | White, Black | White Pearl, Black Sapphire, Gold Platinum, Blue Topaz | Marble White, Milkyway Gray, Monarch Orange, Santorini White, Tu |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
121.5 x 63.1 x 10.57 mm (4.78 x 2.48 x 0.42 in) |
143.4 x 70.5 x 6.8 mm (5.65 x 2.78 x 0.27 in) |
157.7 x 78.7 x 7.7 mm (6.21 x 3.1 x 0.3 in) |
| Weight | 118 g (4.16 oz) | 138 g (4.87 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 | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | LTE | 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, EMail, IM | SMS, MMS, Push Mail, EMail |
| Build Features | - | - Corning Gorilla Glass 4 back panel - Fingerprint sensor (PayPal certified) - Samsung Pay (Visa, MasterCard certified) |
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| OS | Android OS, v4.2 (Jelly Bean) | Android OS, v5.0.2 (Lollipop) | Android OS, v4.4.4 (KitKat) |
| Processor | Dual-core 1.2 GHz Cortex-A9, Broadcom BCM21664 | Quad-core 1.5 GHz Cortex-A53 & Quad-core 2.1 GHz Cortex-A57, Exynos 7420 | Octa-core 1.7 GHz Cortex-A53, Mediatek MT6752 |
| GPU | Broadcom VideoCore IV | Mali-T760 | Mali-T760MP2 |
| RAM | 768 MB | 3 GB | 2 GB |
| Internal Memory | 4 GB (1.9 GB user available) | 32/64/128 GB | 16 GB |
| External Memory | microSD, up to 32 GB | No | microSD, up to 32 GB |
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| Type | TFT Capacitive Touchscreen, PLS | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 4 | Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.0 inches | 5.1 inches | 5.5 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 1440 x 2560 pixels (577 ppi) | 720 x 1280 pixels (267 ppi) |
| Screen-to-Body Ratio | 59.52% | 70.66% | 67.20% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | No | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592х1944 pixels | 16 MP, 3456 x 4608 pixels, OIS | 13 MP, 4160 x 3120 pixels |
| Flash | LED flash | LED Flash | LED flash |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face Detection, Auto HDR, Panorama | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama |
| Video | Yes, 720p@30fps | 2160p@30fps, 1080p@60fps, 720p@120fps, HDR, dual-video rec. | 1080p@30fps |
| Front Camera | Yes, VGA [Similar] | 5 MP, 1080p@30fps, dual video call, HDR [Similar] | 8 MP, 1080p [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v4.0 with A2DP | v4.1, A2DP, LE, apt-X | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0 (MHL 3 TV-out), USB Host | microUSB v2.0 |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS, Beidou | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 4 GB (1.9 GB user available), 768 MB RAM | 32/64/128 GB, 3 GB RAM | 16 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 32 GB | No | microSD, up to 32 GB |
| 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 | Standard battery, Li-Ion | Non-removable Li-Ion Battery | Non-removable Li-Po Battery |
| Capacity | 1500 mAh | 2550 mAh | 2600 mAh |
| Stand by | Up to 280 h (3G) | - | Up to 560 h (3G) |
| Talk Time | Up to 8 h (3G) | - | Up to 12 h 10 min (3G) |
Rs. 33,900 
Rs. 33,900 
Rs. 33,700 
