Phone Comparison - Samsung Galaxy S Duos S7562 vs Celkon Campus A20
Samsung Galaxy S Duos S7562.jpg)
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Celkon Campus A20.jpg)
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| Manufacturer | Samsung | Celkon |
| Announced | July 2012 | August 2013 |
| Status | Available - September 2012 | Available - August 2013 |
| Colors | White | Black |
| Form Factor | Candybar | Candybar |
| Dimension |
121.5 x 63.1 x 10.5 mm (4.78 x 2.48 x 0.41 in) |
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| Weight | 120 g (4.23 oz) | - |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 2100 |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.2.0 (Jelly Bean) |
| Processor | 1 GHz Cortex-A5, Qualcomm MSM7227A Snapdragon [Similar] | Dual-core 1.2 GHz [Similar] |
| GPU | Adreno 200 [Similar] | - |
| RAM | 768 MB [Browse Similar] | 512 MB [Browse Similar] |
| Internal Memory | 4 GB storage | 256 MB ROM |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 16M colors | 262K colors |
| Size | 4.0 inches [Similar] | 4.0 inches [Similar] |
| Resolution | 480 x 800 pixels (233 ppi) [Similar] | 480 x 800 pixels (233 ppi) [Similar] |
| Screen-to-Body Ratio | 59.52% | - |
| Multi-Touch |  |
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| Radio | Stereo FM radio with RDS | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable |
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| Rear Camera | 5 MP, 2592х1944 pixels [Similar] | 3.15 MP, 2048x1536 pixels [Similar] |
| Flash | LED flash | No |
| Features | Auto focus, Geo-tagging | - |
| Video | Yes, FWVGA@30fps | Yes |
| Front Camera | Yes, VGA [Similar] | Yes, VGA [Similar] |
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| GPRS | Yes | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps |
| Edge | Yes | Class 12 |
| 3G | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | Yes, 384 kbps |
| Bluetooth | Yes, v3.0 with A2DP | Yes |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | No |
| Browser | HTML, Adobe Flash Lite | HTML |
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| Internal | 4 GB storage, 768 MB RAM | 256 MB ROM, 512 MB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | Standard battery, Li-Ion | Li-Ion Battery |
| Capacity | 1500 mAh | 1500 mAh |
| Stand by | Up to 445 h (2G) Up to 330 h (3G) |
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| Talk Time | Up to 13 h (2G) Up to 7 h 25 min (3G) |
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