Phone Comparison - Samsung Star 3 Duos S5222 vs Samsung Galaxy Star Pro S7262 vs Acer Liquid Z220
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| Manufacturer | Samsung | Samsung | Acer |
| Announced | January 2012 | October 2013 | March 2015 |
| Status | Available - February 2012 | Available - October 2013 | Available - April 2015 |
| Colors | Black, White | White, Gray | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
102 x 58 x 11.5 mm (4.02 x 2.28 x 0.45 in) |
121.2 x 62.7 x 10.6 cm (4.77 x 2.47 x 0.42 cm) |
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| Weight | 95 g (3.35 oz) | 121 g (4.27 oz) | - |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 GSM 850 / 900 / 1800 / 1900 - SIM 2 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) |
| 3G Network | No | HSDPA 900 / 2100 | |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail |
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| OS | Android OS, v4.1.2 (Jelly Bean) | Android OS, v5.0.x (Lollipop) | |
| Processor | 1 GHz Cortex-A5 | Dual-core 1.2 GHz, Qualcomm Snapdragon 200 | |
| GPU | - | - | |
| RAM | N/A | 512 MB | 1 GB |
| Internal Memory | 20 MB | 4 GB ROM | 8 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | TFT touchscreen | TFT capacitive touchscreen | Capacitive touchscreen |
| Colors | 256K colors | 16M colors | - |
| Size | 3.0 inches | 4.0 inches | 4.0 inches |
| Resolution | 240 x 320 pixels (133 ppi) | 480 x 800 pixels (233 ppi) | 480 x 800 pixels (233 ppi) |
| Screen-to-Body Ratio | 47.35% | 60.05% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | Stereo FM radio with RDS, FM recording | - |
| Games | Yes + downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 3.15 MP, 2048x1536 pixels | 2 MP, 1600x1200 pixels | 5 MP, 2592 х 1944 pixels |
| Flash | No | No | LED flash |
| Features | Fixed Focus, Geo-tagging | Yes | |
| Video | Yes, QCIF@15fps | Yes | Yes |
| Front Camera | No [Similar] | No [Similar] | 2 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | No | No | HSPA |
| Bluetooth | Yes, v3.0 with A2DP | Yes | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, Wi-Fi Direct | Wi-Fi 802.11 b/g/n, hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | microUSB v2.0 |
| GPS | No | No | Yes, with A-GPS |
| Browser | WAP 2.0/xHTML, HTML | HTML | HTML |
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| Phonebook | Yes, Photocall | Practically unlimited entries and fields, Photocall | Practically unlimited entries and fields, Photocall |
| Call Records | Yes | Practically unlimited | Practically unlimited |
| Internal | 20 MB | 4 GB ROM, 512 MB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | 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 | Li-Ion Battery | - |
| Capacity | 1000 mAh | 1500 mAh | 1300 mAh |
| Stand by | Up to 520 h | Up to 350 h | - |
| Talk Time | Up to 14 h 20 min | Up to 15 h | - |
