Phone Comparison - Apple iPhone 3GS vs Samsung Galaxy S Duos S7562 vs BLU Dash JR
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| Manufacturer | Apple | Samsung | BLU |
| Announced | June 2009 | July 2012 | August 2013 |
| Status | Available - June 2009 | Available - September 2012 | Coming Soon - September 2013 |
| Colors | Black, White | White | Black, White, Blue, Silver, Pink, Yellow |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
115.5 x 62.1 x 12.3 mm (4.55 x 2.44 x 0.48 in) |
121.5 x 63.1 x 10.5 mm (4.78 x 2.48 x 0.41 in) |
116.5 x 62 x 12 mm (4.59 x 2.44 x 0.47 in) |
| Weight | 135 g (4.76 oz) | 120 g (4.23 oz) | 105 g (3.7 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 1900 / 2100 | HSDPA 900 / 2100 | N/A |
| Messaging | SMS, MMS | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail, IM |
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| OS | iPhone OS 3, upgradable to iOS 5 | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v2.3 (Gingerbread) |
| Processor | 600 MHz Cortex-A8 | 1 GHz Cortex-A5, Qualcomm MSM7227A Snapdragon | 1 GHz Cortex-A5 |
| GPU | PowerVR SGX535 | Adreno 200 | Mali-400 |
| RAM | 256 MB | 768 MB | 256 MB |
| Internal Memory | 8/16/32 GB storage | 4 GB storage | 512 MB ROM |
| External Memory | No | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | TFT capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 16M colors | 16M colors | 256K colors |
| Size | 3.5 inches | 4.0 inches | 3.5 inches |
| Resolution | 320 x 480 pixels (165 ppi) | 480 x 800 pixels (233 ppi) | 320 x 480 pixels (165 ppi) |
| Screen-to-Body Ratio | 50.75% | 59.52% | 50.39% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | Stereo FM radio with RDS | Stereo FM radio |
| Games | Yes | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 3.15 MP, 2048x1536 pixels | 5 MP, 2592х1944 pixels | 2 MP, 1600x1200 pixels |
| Flash | No | LED flash | No |
| Features | Auto focus, Touch Focus, Geo-tagging | Auto focus, Geo-tagging | Geo-tagging, Touch Focus |
| Video | Yes, VGA@30fps, video geo-tagging | Yes, FWVGA@30fps | Yes, 480p@30fps |
| Front Camera | No [Similar] | Yes, VGA [Similar] | No [Similar] |
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| GPRS | Yes | Yes | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps |
| Edge | Yes | Yes | Class 12 |
| 3G | HSDPA, 7.2 Mbps | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | N/A |
| Bluetooth | Yes, v2.1 with A2DP, headset support only | Yes, v3.0 with A2DP | Yes, v2.1 |
| Wi-Fi | Wi-Fi 802.11b/g | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n |
| USB | Yes, v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML (Safari) | HTML, Adobe Flash Lite | HTML5 |
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| Internal | 8/16/32 GB storage, 256 MB RAM | 4 GB storage, 768 MB RAM | 512 MB ROM, 256 MB RAM |
| Expandable Storage | No | microSD, up to 32 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 | Standard battery, Li-Ion | Standard battery, Li-Ion | Li-Ion Battery |
| Capacity | 1500 mAh | 1000 mAh | |
| Stand by | Up to 300 h | Up to 445 h (2G) Up to 330 h (3G) |
Up to 600 h |
| Talk Time | Up to 12 h (2G) Up to 5 h (3G) |
Up to 13 h (2G) Up to 7 h 25 min (3G) |
Up to 12 h |
