Phone Comparison - Samsung Galaxy Core 2 Duos vs Samsung Z1 vs Asus Zenfone C ZC451CG
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| Manufacturer | Samsung | Samsung | Asus |
| Announced | June 2014 | January 2015 | January 2015 |
| Status | Available - July 2014 | Available - January 2015 | Available - February 2015 |
| Price | - | Rs. 5,700 ($83.82) [Similarly Priced] | Rs. 5,999 ($88.22) [Similarly Priced] |
| Colors | White, Black | White, Black, Wine Red | Charcoal Black, Pearl White, Cherry Red |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
130.3 x 68 x 9.8 mm (5.13 x 2.68 x 0.39 in) |
120.4 x 63.2 x 9.7 mm (4.74 x 2.49 x 0.38 in) |
136.5 x 67 x 10.9 mm (5.37 x 2.64 x 0.43 in) |
| Weight | 138 g (4.87 oz) | 112 g (3.95 oz) | 149 g (5.26 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 900 / 2100 | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.4.2 (KitKat) | Tizen OS, v2.3 | Android OS, v4.4.2 (KitKat) |
| Processor | Quad-core 1.2 GHz | Dual-core 1.2 GHz Cortex-A7, Spreadtrum SC7727S | Dual-core 1.2 GHz, Intel Atom Z2520 |
| GPU | - | Mali-400 | PowerVR SGX544MP2 |
| RAM | 768 MB | 768 MB | 1 GB |
| Internal Memory | 4 GB | 4 GB | 8 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 64 GB | microSD, up to 64 GB |
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| Type | TFT capacitive touchscreen | PLS TFT capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.5 inches | 4.0 inches | 4.5 inches |
| Resolution | 480 x 800 pixels (207 ppi) | 480 x 800 pixels (233 ppi) | 480 x 854 pixels (218 ppi) |
| Screen-to-Body Ratio | 65.25% | 59.97% | 60.85% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM Radio | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592 х 1944 pixels | 3.15 MP, 2048 x 1536 pixels | 5 MP, 2592 х 1944 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection | Geo-tagging, Face Detection | Auto focus, Yes |
| Video | Yes | Yes | Yes |
| Front Camera | Yes, VGA [Similar] | VGA [Similar] | VGA [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA | HSPA 42.2/5.76 Mbps |
| Bluetooth | Yes, v4.0 with A2DP | v4.1, A2DP | v4.0, A2DP, EDR |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n | 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 and GLONASS | Yes, with A-GPS | Yes, with A-GPS, GLONASS |
| Browser | HTML | HTML | HTML |
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| Internal | 4 GB, 768 MB RAM | 4 GB, 768 MB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 64 GB | microSD, up to 64 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 | Li-Ion Battery | Li-Ion Battery |
| Capacity | 2000 mAh | 1500 mAh | 2100 mAh |
| Stand by | - | - | - |
| Talk Time | - | Up to 8 h (3G) | - |
