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| Manufacturer | Samsung | Sony | Nokia |
| Announced | August 2011 | June 2012 | May 2013 |
| Status | Available - October 2011 | Available - August 2012 | Available - June 2013 |
| Colors | Metallic Gray | Classic Black, Classic White, Deep Red, Navy Blue | Bright Red, Bright Green, Cyan, Yellow, White and Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
104 x 58 x 11.5 mm (4.09 x 2.28 x 0.45 in) |
103 x 57 x 13 mm (4.06 x 2.24 x 0.51 in) |
99.2 x 58 x 12.1 mm (3.91 x 2.28 x 0.48 in) |
| Weight | 97.5 g (3.42.0.18 oz) | 99.4 g (3.49.0.14 oz) | 98 g (3.46 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 1900 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 900 / 2100 - ST21i HSDPA 850 / 1900 / 2100 - ST21a |
N/A |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v2.3.5 (Gingerbread) | Android OS, v4.0.3 (Ice Cream Sandwich) | Nokia Asha Software Platform 1.0 |
| Processor | 830 MHz ARMv6 processor, Exynos chipset | 800 MHz, Qualcomm MSM7227A | - |
| GPU | Mali-400MP | Adreno 200 | - |
| RAM | 290 MB | 512 MB | 64 MB |
| Internal Memory | 180 MB | 2.9 GB storage (2.5 GB user available) | 128 MB |
| External Memory | microSD, up to 32GB | microSD, up to 32 GB | microSD, up to 32 GB, 4 GB card included |
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| Type | TFT capacitive touchscreen | TFT capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 256K colors | 256K colors | 256K colors |
| Size | 3.0 inches | 3.2 inches | 3.0 inches |
| Resolution | 240 x 320 pixels (133 ppi) | 320 x 480 pixels (180 ppi) | 240 x 320 pixels (133 ppi) |
| Screen-to-Body Ratio | 46.44% | 52.10% | 48.68% |
| Multi-Touch | ![]() |
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| 3.5mm Jack | ![]() |
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| Radio | Stereo FM radio with RDS | Stereo FM radio with RDS | Stereo FM radio with RDS |
| Games | Yes + downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | ![]() |
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| Rear Camera | 2 MP, 1600x1200 pixels | 3.15 MP, 2048x1536 pixels | 3.2 MP, 2048x1536 pixels |
| Flash | No | No | No |
| Features | Geo-tagging | Geo-tagging | Auto and manual white balance, Still image editor, Full screen viewfinder |
| Video | Yes, QVGA@15fps | Yes, VGA | Yes,QVGA@15fps |
| Front Camera | No [Similar] | No [Similar] | No [Similar] |
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| GPRS | Yes | Up to 86 kbps | Up to 85.6 kbps |
| Edge | Yes | Up to 237 kbps | Up to 236.8 kbps |
| 3G | HSDPA, 7.2 Mbps | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | N/A |
| Bluetooth | Yes, v3.0 with A2DP, HS | Yes, v2.1 with A2DP | Yes, v3.0 with EDR |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Hotspot functionality | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | No |
| Browser | WAP 2.0/xHTML, HTML | HTML | WAP 2.0/xHTML, HTML |
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| Phonebook | Practically unlimited entries, Photocall | Practically unlimited entries and fields, Photocall | 4000 Contacts |
| Call Records | Yes | Practically unlimited | Practically unlimited |
| Internal | 180 MB, 290 MB RAM | 2.9 GB storage (2.5 GB user available), 512 MB RAM | 128 MB, 64 MB RAM |
| Expandable Storage | microSD, up to 32GB | microSD, up to 32 GB | microSD, up to 32 GB, 4 GB card included |
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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 (BL-4U) |
| Capacity | 1200 mAh | 1500 mAh | 1200 mAh |
| Stand by | Up to 850 h (2G) Up to 540 h (3G) |
Up to 470 h (2G) Up to 545 h (3G) |
Up to 624 h |
| Talk Time | Up to 17 h (2G) Up to 6 h 20 min (3G) |
Up to 5 h (2G) Up to 4 h 30 min (3G) |
Up to 17 h |