Phone Comparison - Samsung Star 3 Duos S5222 vs Samsung Rex 70 S3802 vs Samsung Rex 80 S5222R
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | January 2012 | February 2013 | February 2013 |
| Status | Available - February 2012 | Available - March 2013 | Available - March 2013 |
| Colors | Black, White | White, Gray, Blue | White, Gray, Black, Red |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
102 x 58 x 11.5 mm (4.02 x 2.28 x 0.45 in) |
104.9 x 57.2 x 12 mm (4.13 x 2.25 x 0.47 in) |
102 x 58 x 11.5 mm (4.02 x 2.28 x 0.45 in) |
| Weight | 95 g (3.35 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 |
| 3G Network | N/A | N/A | |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | - | - | |
| Processor | - | - | |
| GPU | - | - | |
| RAM | N/A | N/A | N/A |
| Internal Memory | 20 MB | 10 MB | 20 MB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 16 GB |
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| Type | TFT touchscreen | TFT touchscreen | TFT touchscreen |
| Colors | 256K colors | 262K colors | 262K colors |
| Size | 3.0 inches | 3.0 inches | 3.0 inches |
| Resolution | 240 x 320 pixels (133 ppi) | 240 x 320 pixels (133 ppi) | 240 x 320 pixels (133 ppi) |
| Screen-to-Body Ratio | 47.35% | 46.68% | 47.35% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio with Recording | FM radio with 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 | 3.15 MP, 2048x1536 pixels |
| Flash | No | No | No |
| Features | - | - | |
| Video | Yes, QCIF@15fps | Yes | Yes |
| Front Camera | No [Similar] | No [Similar] | No [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | No | N/A | N/A |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v3.0 | Yes, v3.0 |
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0, USB Host | Yes, microUSB v2.0, USB Host |
| GPS | No | No | No |
| Browser | WAP 2.0/xHTML, HTML | Yes | Yes |
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| Phonebook | Yes, Photocall | Yes, 1000 | Yes, 1000 |
| Call Records | Yes | Yes | Yes |
| Internal | 20 MB | 10 MB | 20 MB |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 16 GB |
| USB OTG | - | Supported | 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 | Li-Ion Battery | Li-Ion Battery |
| Capacity | 1000 mAh | 1000 mAh | 1000 mAh |
| Stand by | Up to 520 h | - | - |
| Talk Time | Up to 14 h 20 min | Up to 13 h | Up to 14 h |
