Phone Comparison - Sony Xperia J vs Acer Liquid E2 vs LG Optimus GJ
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| Manufacturer | Sony | Acer | LG |
| Announced | August 2012 | April 2013 | May 2013 |
| Status | Available - October 2012 | Coming Soon - May 2013 | Coming Soon - May 2013 |
| Colors | Black, White, Gold, Pink | Black, White | Black, Red |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
124.3 x 61.2 x 9.2 mm (4.89 x 2.41 x 0.36 in) |
131 x 68 x 9.9 mm (5.16 x 2.68 x 0.39 in) |
136.9 x 68.9 x 9.39 mm (5.39 x 2.71 x 0.37 in) |
| Weight | 124 g (4.37 oz) | 140 g (4.94 oz) | 141.2 g (4.97.0.07 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 2100 - ST26i HSDPA 850 / 1900 / 2100 - ST26a |
HSDPA | HSDPA 850 / 2100 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.2.1 (Jelly Bean) | Android OS, v4.1.2 (Jelly Bean) |
| Processor | 1 GHz Cortex-A5, Qualcomm MSM7227A Snapdragon | Quad-core 1.2 GHz Cortex-A7, MTK 6589 | Quad-core 1.5 GHz Krait, Qualcomm MDM9615/APQ8064 |
| GPU | Adreno 200 | PowerVR SGX 544MP | Adreno 320 |
| RAM | 512 MB | 1 GB | 2 GB |
| Internal Memory | 4 GB | 4 GB | 16 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 64 GB |
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| Type | TFT capacitive touchscreen | IPS LCD capacitive touchscreen | True HD-IPS + LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.0 inches | 4.5 inches | 4.7 inches |
| Resolution | 480 x 854 pixels (245 ppi) | 540 x 960 pixels (245 ppi) | 720 x 1280 pixels (312 ppi) |
| Screen-to-Body Ratio | 57.92% | 62.55% | 64.76% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio | Stereo FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592х1944 pixels | 8 MP, 3264 x 2448 pixels | 13 MP, 4128x3096 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Image Stabilization | Auto focus, Geo-tagging | Geo-tagging, Face Detection, Image Stabilization, HDR, Auto Focus, |
| Video | Yes, VGA | Yes, 1080p@30fps | Yes, 1080p@30fps |
| Front Camera | Yes, VGA [Similar] | Yes, 2 MP [Similar] | Yes, 1.3 MP [Similar] |
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| GPRS | Up to 86 kbps | Yes | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps |
| Edge | Up to 237 kbps | Yes | Class 12 |
| 3G | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | HSPA+ | HSDPA, 42 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v2.1 with A2DP, EDR | Yes, v3.0 with A2DP, EDR | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 (MHL), USB Host |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS |
| Browser | HTML5, Adobe Flash | HTML | HTML5 |
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| Internal | 4 GB, 512 MB RAM | 4 GB, 1 GB RAM | 16 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 64 GB |
| USB OTG | - | - | 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 | 1750 mAh | 2000 mAh | 2280 mAh |
| Stand by | Up to 607 h (2G) Up to 618 h (3G) |
Up to 450 h | Up to 515 h (2G) Up to 596 h (3G) |
| Talk Time | Up to 5 h 36 min (2G) Up to 7 h 18 min (3G) |
Up to 9 h | Up to 23 h (2G) Up to 15 h (3G) |
