| Manufacture | LG | LG |
| Model | S310 | Optimus 7 E900 |
| Form factor | Block | Block |
| Weight | 86 gram | NA |
| Dimensions (HxWxD) | 115 x 48 x 11 | 125.00 x 60.00 x 12.00 |
| Operating System | Other | Windows Phone 7 |
| Networks | 2G - 850/900/1800/1900
| 2G - 850/900/1800/1900
3G - 900/2100 |
| HSCSD |  | |
| GPRS |  | |
| EDGE | | |
| UMTS | | |
| HSDPA | | |
| HSPA+ | | |
| WiMAX | | |
| LTE (4G light) | | |
| WLAN / Wi-Fi | | |
| Wi-Fi Hotspot | | |
| Wi-Fi Direct | | |
| SMS | | |
| MMS | | |
| Email | | |
| HDMI out | | |
| USB port | | |
| MHL | | |
| Bluetooth | | |
| Bluetooth version | NA | NA |
| DLNA | | |
| GPS | | |
| Glonass | | |
| ANT+ | | |
| IrDA | | |
| NFC | | |
| 3.5 mm audio connector | | |
| Camera | | |
| Camera resolution | 3.2 megapixel, 2x digital zoom | 5 megapixel, autofocus, geo tagging |
| Image Stabilization | | |
| BSI sensor | | |
| Camera Flash/Light | | |
| Flash type | NA | NA |
| Video recording | | |
| Video capture resolution | NA | NA |
| Second Camera | NA | NA |
| Display size | 2.2 inches | 3.80 |
| Touchscreen | | |
| Colour display | | |
| Number of colours | 256000 | 16000000 |
| Display width | 176 | 480 |
| Display height | 220 | 800 |
| PPI | 128.06 | 245.51 |
| Second Display | NA | NA |
| CPU | NA | NA |
| GPU | NA | NA |
| Memory | 14.5 MB. Expandable up to 8 GB with microSD card | 16 GB |
| Micro SIM | | |
| Dual SIM | | |
| MP3 | | |
| Ringtones / Music file format | MP3, MIDI | MP3, AAC, AAC+, eAAC+, WMA, WAV, AC3 |
| Java | | |
| Games | Yes, 4 | Yes |
| FM Radio | | |
| Battery | 900 mAh | 1500 mAh |
| Standby time (h) | 800 | NA |
| Talktime (m) | 810 | NA |
| Wireless Charging | | |
| Browser | 2.0 XHTML | NA |
| Calendar | | |
| Voicedialing | | |
| IP Code | NA | NA |
| Predictive text | | |
| RSS reader | | |
| Voicememo | | |
| PC Synchronization | | |
| SyncML | | |
| Website | Website | Website |
