Phone Comparison - Samsung Galaxy Ace Duos I589 vs Samsung Galaxy S III I747 vs Asus Zenfone 5
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| Manufacturer | Samsung | Samsung | Asus |
| Announced | February 2012 | June 2012 | January 2014 |
| Status | Available - February 2012 | Available - July 2012 | Available - June 2014 |
| Colors | Black | Pebble blue, Marble white | Black, White, Red, Blue, Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
112.4 x 59.9 x 12.5 mm (4.43 x 2.36 x 0.49 in) |
136.6 x 70.6 x 8.6 mm (5.38 x 2.78 x 0.34 in) |
148.2 x 72.8 x 5.5-10.3 (5.83 x 2.87 x 0.22-0.41) |
| Weight | 122 g (4.3 oz) | 134 g (4.73 oz) | 140 g (4.94 oz) |
| 2G Network | CDMA 800 / 1900 GSM 900 / 1800 |
GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | CDMA2000 1xEV-DO | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | LTE 700 MHz Class 17 / 2100 | - |
| Messaging | SMS, MMS | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v2.2 (Froyo) | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) |
| Processor | 800 MHz, Qualcomm MSM7627 | Dual-core 1.5 GHz, Qualcomm MSM8960 Snapdragon | Dual-core 2.0 GHz / Dual-core 1.6 GHz, Intel Atom Z2580/Z2560 |
| GPU | Adreno 225 | PowerVR SGX544MP2 | |
| RAM | N/A | 2 GB | 1/2 GB |
| Internal Memory | N/A | 16 GB storage | 8/16 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 64 GB |
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| Type | TFT capacitive touchscreen | Super AMOLED capacitive touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 3.5 inches | 4.8 inches | 5.0 inches |
| Resolution | 320 x 480 pixels (165 ppi) | 720 x 1280 pixels (306 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 54.06% | 65.84% | 63.76% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | TBD | FM Radio |
| Games | Yes | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 3.15 MP, 2048x1536 pixels | 8 MP, 3264x2448 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | No | LED flash | LED flash |
| Features | Geo-tagging | 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 Detection |
| Video | Yes | Yes, 1080p@30fps | Yes |
| Front Camera | No [Similar] | Yes, 1.9 MP, 720p@30fps [Similar] | Yes, 2 MP [Similar] |
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| GPRS | Yes | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Yes |
| Edge | Yes | Class 12 | Yes |
| 3G | Rev. A, up to 3.1 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v4.0 with A2DP, EDR | Yes, v4.0 with A2DP, EDR |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot |
| USB | Yes, v2.0 microUSB | Yes, microUSB v2.0 (MHL), USB On-the-go | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support |
| Browser | HTML | HTML, Adobe Flash | HTML |
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| Internal | 16 GB storage, 2 GB RAM | 8/16 GB, 1/2 GB RAM | |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 64 GB |
| 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 | Non-removable Li-Po Battery |
| Capacity | 1650 mAh | 2100 mAh | 2110 mAh |
| Stand by | Up to 300 h (3G) | Up to 353 h (3G) | |
| Talk Time | Up to 8 h (2G) Up to 8 h (3G) |
Up to 18 h 30 min (3G) | |
