Phone Comparison - Apple iPhone 4S vs Samsung Galaxy Y Pro Duos vs Samsung Galaxy Chat B5330
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| Manufacturer | Apple | Samsung | Samsung |
| Announced | October 2011 | December 2011 | July 2012 |
| Status | Available - October 2011 | Available - January 2012 | Available - August 2012 |
| Colors | Black, White | Black | White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
115.2 x 58.6 x 9.3 mm (4.54 x 2.31 x 0.37 in) |
110.8 x 63.5 x 11.9 mm (4.36 x 2.5 x 0.47 in) |
118.9 x 59.3 x 11.7 mm (4.68 x 2.33 x 0.46 in) |
| Weight | 140 g (4.94 oz) | 112.3 g (3.95.0.11 oz) | 112 g (3.95 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 900 / 2100 | HSDPA 900 / 2100 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | iOS 5 | Android OS, v2.3 (Gingerbread) | Android OS, v4.x (Ice Cream Sandwich) |
| Processor | 1 GHz dual-core ARM Cortex-A9 processor, Apple A5 chipset | - | |
| GPU | PowerVR SGX543MP2 | - | |
| RAM | 512 MB | 384 MB | N/A |
| Internal Memory | 16/32/64 GB storage | 512 MB ROM | 4 GB storage |
| External Memory | No | microSD, up to 32GB, 2 GB included | microSD, up to 32 GB |
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| Type | LED-backlit IPS TFT | TFT capacitive touchscreen | TFT capacitive touchscreen |
| Colors | capacitive touchscreen | 256K colors | 256K colors |
| Size | 3.5 inches | 2.6 inches | 3.0 inches |
| Resolution | 640 x 960 pixels (330 ppi) | 400 x 240 pixels (179 ppi) | 240 x 320 pixels (133 ppi) |
| Screen-to-Body Ratio | 53.92% | 27.47% | 39.73% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | Stereo FM radio with RDS | Stereo FM radio with RDS |
| Games | Downloadable, incl. motion-bas | Yes | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 3.15 MP, 2048x1536 pixels | 2 MP, 1600x1200 pixels |
| Flash | LED flash | No | No |
| Features | Auto focus, Touch Focus, Geo-tagging, Face Detection, HDR | Geo-tagging | - |
| Video | Yes, 1080p@30fps, LED video light, video stabilization, geo-tagging | Yes, QVGA@24fps | Yes |
| Front Camera | Yes, VGA [Similar] | Yes, VGA [Similar] | No [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 14.4 Mbps; HSUPA, 5.8 Mbps | HSDPA, 7.2 Mbps | HSDPA |
| Bluetooth | Yes, v4.0 with A2DP | Yes, v3.0 with A2DP | Yes, v3.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS |
| Browser | HTML (Safari) | HTML, Adobe Flash | HTML |
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| Call Records | 100 received, dialed and missed calls | Practically unlimited | Practically unlimited |
| Internal | 16/32/64 GB storage, 512 MB RAM | 512 MB ROM, 384 MB RAM | 4 GB storage |
| Expandable Storage | No | microSD, up to 32GB, 2 GB included | 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-Po | Standard battery, Li-Ion | Standard battery, Li-Ion |
| Capacity | 1432 mAh | 1350 mAh | 1200 mAh |
| Stand by | Up to 200 h (2G) Up to 200 h (3G) |
Up to 528 h | Up to 520 h (2G) Up to 380 h (3G) |
| Talk Time | Up to 14 h (2G) Up to 8 h (3G) |
Up to 9 h | Up to 14 h 40 min (2G) Up to 5 h (3G) |
