Phone Comparison - Samsung I9300 Galaxy S III (S3) vs Samsung Galaxy Grand Duos I9082 vs Samsung Galaxy Alpha (S801)
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | May 2012 | December 2012 | August 2014 |
| Status | Available - May 2012 | Available - January 2013 | Available - September 2014 |
| Colors | Blue, White | Black, White | Charcoal Black, Sleek Silver, Dazzling White, Frosted Gold, Scub |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
136.6 x 70.6 x 8.6 mm (5.38 x 2.78 x 0.34 in) |
143.5 x 76.9 x 9.6 mm (5.65 x 3.03 x 0.38 in) |
132.4 x 65.5 x 6.7 mm (5.21 x 2.58 x 0.26 in) |
| Weight | 133 g (4.69 oz) | 162 g (5.71 oz) | 115 g (4.06 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 1900 / 2100 - SIM 1 only HSDPA 900 / 1900 / 2100 - SIM 1 only |
HSDPA |
| 4G Network | LTE (regional) | - | LTE |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.1.2 (Jelly Bean) | Android OS, v4.4.4 (KitKat) |
| Processor | Quad-core 1.4 GHz Cortex-A9, Exynos 4212 Quad | Dual-core 1.2 GHz Cortex-A9, Broadcom | Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 |
| GPU | Mali-400MP | Broadcom VideoCore IV | Adreno 330 |
| RAM | 1 GB | 1 GB | 2 GB |
| Internal Memory | 16/32/64 GB storage | 8 GB | 32 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 64 GB | No |
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| Type | Super AMOLED capacitive touchscreen | Capacitive touchscreen | Super AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.8 inches | 5.0 inches | 4.7 inches |
| Resolution | 720 x 1280 pixels (306 ppi) | 480 x 800 pixels (187 ppi) | 720 x 1280 pixels (312 ppi) |
| Screen-to-Body Ratio | 65.84% | 64.20% | 70.43% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | Stereo FM radio with RDS | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 8 MP, 3264x2448 pixels | 12 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, Dual Camera, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR |
| Video | Yes, 1080p@30fps | Yes, 1080p@30fps | 2160p@30fps, 1080p@60fps, 720p@120fps |
| Front Camera | Yes, 1.9 MP, 720p@30fps [Similar] | Yes, 2 MP [Similar] | 2.1 MP [Similar] |
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| GPRS | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Yes | Yes |
| Edge | Class 12 | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL, 50 Mbps UL |
| Bluetooth | Yes, v4.0 with A2DP, EDR | Yes, v4.0 with A2DP, LE, EDR | v4.0, A2DP, EDR, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 (MHL), USB On-the-go | Yes, microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, support and GLONASS | Yes, with A-GPS, GLONASS, Beidou |
| Browser | HTML, Adobe Flash | HTML5 | HTML5 |
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| Internal | 16/32/64 GB storage, 1 GB RAM | 8 GB, 1 GB RAM | 32 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 64 GB | No |
| 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 | Standard battery, Li-Ion | Li-Ion Battery |
| Capacity | 2100 mAh | 2100 mAh | 1860 mAh |
| Stand by | Up to 830Hr (2G)/up to 770Hr hours (3G) | Up to 440 h | - |
| Talk Time | Up to 1350Min (2G)/up to 700Min hours (3G) | Up to 10 h 10 min | - |
