Phone Comparison - Samsung Galaxy Ace Duos vs Samsung Galaxy S III T999 vs Samsung Galaxy S Duos S7562
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | May 2012 | June 2012 | July 2012 |
| Status | Available - June 2012 | Available - June 2012 | Available - September 2012 |
| Colors | Black | Pebble blue, Marble white | White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
112.7 x 61.5 x 11.5 mm (4.44 x 2.42 x 0.45 in) |
136.6 x 70.6 x 8.6 mm (5.38 x 2.78 x 0.34 in) |
121.5 x 63.1 x 10.5 mm (4.78 x 2.48 x 0.41 in) |
| Weight | 122 g (4.3 oz) | 133 g (4.69 oz) | 120 g (4.23 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 850 / 1700 / 1900 / 2100 | HSDPA 900 / 2100 |
| Messaging | SMS, MMS | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail |
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| OS | Android OS, v2.3 (Gingerbread) | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.0 (Ice Cream Sandwich) |
| Processor | 832 MHz | Dual-core 1.5 GHz, Qualcomm MSM8960 Snapdragon | 1 GHz Cortex-A5, Qualcomm MSM7227A Snapdragon |
| GPU | Adreno 225 | Adreno 200 | |
| RAM | N/A | 2 GB | 768 MB |
| Internal Memory | 3 GB storage, 512 MB | 16/32 GB storage | 4 GB storage |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | Super AMOLED capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 3.5 inches | 4.8 inches | 4.0 inches |
| Resolution | 320 x 480 pixels (165 ppi) | 720 x 1280 pixels (306 ppi) | 480 x 800 pixels (233 ppi) |
| Screen-to-Body Ratio | 52.52% | 65.84% | 59.52% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | TBD | Stereo FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592x1944 pixels | 8 MP, 3264x2448 pixels | 5 MP, 2592х1944 pixels |
| Flash | No | LED flash | LED flash |
| Features | Auto focus, Geo-tagging | Auto focus, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, Geo-tagging |
| Video | Yes | Yes, 1080p@30fps | Yes, FWVGA@30fps |
| Front Camera | No [Similar] | Yes, 1.9 MP, 720p@30fps [Similar] | Yes, VGA [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 | HSDPA, 7.2 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v4.0 with A2DP, EDR | Yes, v3.0 with A2DP |
| 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 hotspot |
| USB | Yes, microUSB v2.0 | 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, Adobe Flash Lite |
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| Internal | 3GB storage, 512 MB | 16/32 GB storage, 2 GB RAM | 4 GB storage, 768 MB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 32 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 | Standard battery, Li-Ion |
| Capacity | 1300 mAh | 2100 mAh | 1500 mAh |
| Stand by | Up to 520 h (2G) Up to 410 h (3G) |
Up to 830Hr (2G)/up to 770Hr hours (3G) | Up to 445 h (2G) Up to 330 h (3G) |
| Talk Time | Up to 6 h 30 min (2G) Up to 16 h 40 min (3G) |
Up to 1350Min (2G)/up to 700Min hours (3G) | Up to 13 h (2G) Up to 7 h 25 min (3G) |
