Phone Comparison - LG Optimus 4X HD vs Lenovo S820 vs Acer Liquid X1

general General Info

Manufacturer LG Lenovo Acer
Announced February 2012 May 2013 June 2014
Status Available - June 2012 Available - May 2013 Coming Soon - Q3 2014
Colors Black Flamingo red Black
Form Factor Candybar Candybar Candybar
Dimension 132.4 x 68.1 x 8.9mm
(5.21 x 2.68 x 0.35in)
139.5 x 69.7 x 9 mm
(5.49 x 2.74 x 0.35 in)
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Weight 133 g (4.69 oz) 143 g (5.04 oz) -
2G Network GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 900 / 1900 / 2100 HSDPA 900 / 2100 HSDPA
4G Network - - LTE
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS Android OS, v4.0 (Ice Cream Sandwich) Android OS, v4.2 (Jelly Bean) Android OS, v4.4.2 (KitKat)
Processor Quad-core 1.5 GHz Cortex-A9, Nvidia Tegra 3 Quad-core 1.2 GHz, MTK 6589W Octa-core 1.7 GHz Cortex-A7, Mediatek MT6592
GPU ULP GeForce PowerVR SGX544 Mali-450MP4
RAM 1 GB 1 GB 2 GB
Internal Memory 16 GB storage 4 GB 16 GB
External Memory Upto 16 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type HD-IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 4.7 inches 5.7 inches
Resolution 720 x 1280 pixels (312 ppi) 720 x 1280 pixels (312 ppi) 720 x 1280 pixels (258 ppi)
Screen-to-Body Ratio 67.74% 62.82% -
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Yes FM radio; built-in antenna -
Games Yes Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 12 MP, 4000 x 3000 pixels 13 MP, 4160 x 3120 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Face And Smile Detection, Touch Focus, Image Stabilization Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging
Video Yes, 1080p@30fps Yes Yes, 1080p
Front Camera Yes, 1.3 MP [Similar] Yes, 2 MP [Similar] Yes, 2 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes Yes
Edge Class 12 Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, HSUPA HSDPA, HSUPA, LTE
Bluetooth Yes, with A2DP Yes, v3.0 with A2DP Yes
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 802.11 b/g/n, Wi-Fi hotspot
USB Yes, microUSB (MHL) v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS support
Browser HTML5, Adobe Flash HTML HTML

memory User Memory

Internal 16 GB storage, 1 GB RAM 4 GB, 1 GB RAM 16 GB, 2 GB RAM
Expandable Storage Yes microSD, up to 32 GB microSD, up to 32 GB

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Li-Po Battery Li-Ion Battery
Capacity 2150 mAh 2000 mAh 2700 mAh
Stand by Up to 730 h (2G)
Up to 686 h (3G)
Up to 140 h (2G)
Up to 140 h (3G)
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Talk Time Up to 9 h 20 min (2G)
Up to 10 h 50 min (3G)
Up to 22 h (2G)
Up to 10 h (3G)
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