Phone Comparison - Samsung Galaxy Grand Duos I9082 vs Asus Zenfone C ZC451CG vs Asus Zenfone 2 ZE550ML
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| Manufacturer | Samsung | Asus | Asus |
| Announced | December 2012 | January 2015 | March 2015 |
| Status | Available - January 2013 | Available - February 2015 | Available - March 2015 |
| Price | - | Rs. 5,999 ($88.22) [Similarly Priced] | Rs. 13,990 ($205.74) [Similarly Priced] |
| Colors | Black, White | Charcoal Black, Pearl White, Cherry Red | Red, Grey, Black, White and Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
143.5 x 76.9 x 9.6 mm (5.65 x 3.03 x 0.38 in) |
136.5 x 67 x 10.9 mm (5.37 x 2.64 x 0.43 in) |
152.5 x 77.2 x 10.9 mm (6 x 3.04 x 0.43 in) |
| Weight | 162 g (5.71 oz) | 149 g (5.26 oz) | 170 g (6 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 1900 / 2100 - SIM 1 only HSDPA 900 / 1900 / 2100 - SIM 1 only |
HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | - | LTE 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1, 2, 3, 4, 5, 7, 8, 9, 17, 18, 19, 20, 28, 29) |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.1.2 (Jelly Bean) | Android OS, v4.4.2 (KitKat) | Android OS, v5.0 (Lollipop) |
| Processor | Dual-core 1.2 GHz Cortex-A9, Broadcom | Dual-core 1.2 GHz, Intel Atom Z2520 | Quad-core 1.8 GHz, Intel Atom Z3560 |
| GPU | Broadcom VideoCore IV | PowerVR SGX544MP2 | PowerVR G6430 |
| RAM | 1 GB | 1 GB | 2 GB |
| Internal Memory | 8 GB | 8 GB | 16 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 64 GB | microSD, up to 64 GB |
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| Type | Capacitive touchscreen | IPS LCD capacitive touchscreen | IPS Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 4.5 inches | 5.5 inches |
| Resolution | 480 x 800 pixels (187 ppi) | 480 x 854 pixels (218 ppi) | 1080 x 1920 pixels (403 ppi) |
| Screen-to-Body Ratio | 64.20% | 60.85% | 69.97% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio | Yes |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 5 MP, 2592 х 1944 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED flash | dual-LED (dual tone) |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, Yes | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR |
| Video | Yes, 1080p@30fps | Yes | 1080p@30fps |
| Front Camera | Yes, 2 MP [Similar] | VGA [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 42.2/5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v4.0 with A2DP, LE, EDR | v4.0, A2DP, EDR | v4.0, A2DP, EDR |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0 | microUSB v2.0, USB Host |
| GPS | Yes, with A-GPS, support and GLONASS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML | HTML5 |
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| Internal | 8 GB, 1 GB RAM | 8 GB, 1 GB RAM | 16 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 64 GB | microSD, up to 64 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 | Li-Ion Battery | Non-removable Li-Po Battery |
| Capacity | 2100 mAh | 2100 mAh | 3000 mAh |
| Stand by | Up to 440 h | - | - |
| Talk Time | Up to 10 h 10 min | - | - |
