| Manufacturer | |
| Sony | LG |
| Announced | |
| June 2012 | January 2012 |
| Status | |
| Available - August 2012 | Available - July 2012 |
| Colors | |
| Classic Black, Classic White, Deep Red, Navy Blue | Black, White |
| Form Factor | |
| Candybar | Candybar |
| Dimension | |
|
103 x 57 x 13 mm (4.06 x 2.24 x 0.51 in) |
102.6 x 61.6 x 11.9 mm (4.04 x 2.43 x 0.47 in) |
| Weight | |
| 99.4 g (3.49.0.14 oz) | 119 g (4.2 oz) |
| 2G Network | |
| GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | |
| HSDPA 900 / 2100 - ST21i HSDPA 850 / 1900 / 2100 - ST21a |
HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100 |
| Messaging | |
| SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| OS | |
| Android OS, v4.0.3 (Ice Cream Sandwich) | Android OS, v2.3.6 (Gingerbread) |
| Processor | |
| 800 MHz, Qualcomm MSM7227A [Similar] | 800 MHz [Similar] |
| GPU | |
| Adreno 200 [Similar] | Adreno 200 [Similar] |
| RAM | |
| 512 MB [Browse Similar] | 384 MB [Browse Similar] |
| Internal Memory | |
| 2.9 GB storage (2.5 GB user available) | 1 GB storage |
| External Memory | |
| microSD, up to 32 GB | microSD, up to 32GB |
| 3.5mm Jack | |
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| Radio | |
| Stereo FM radio with RDS | Stereo FM radio |
| Games | |
| Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| GPRS | |
| Up to 86 kbps | Yes |
| Edge | |
| Up to 237 kbps | Yes |
| 3G | |
| HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | HSDPA, 3.6 Mbps |
| Bluetooth | |
| Yes, v2.1 with A2DP | Yes, v3.0 with A2DP |
| Wi-Fi | |
| Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, DLNA |
| USB | |
| Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | |
| Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | |
| HTML | HTML5, Adobe Flash |
| Internal | |
| 2.9 GB storage (2.5 GB user available), 512 MB RAM | 1 GB storage, 384 MB RAM |
| Expandable Storage | |
| microSD, up to 32 GB | microSD, up to 32GB |
| 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 |
| Capacity | |
| 1500 mAh | 1500 mAh |
| Stand by | |
| Up to 470 h (2G) Up to 545 h (3G) |
Up to 600 h (2G) Up to 600 h (3G) |
| Talk Time | |
| Up to 5 h (2G) Up to 4 h 30 min (3G) |
Up to 12 h 30 min (2G) Up to 10 h (3G) |