LG Optimus 2X vs Samsung B520
LG Optimus 2X
Samsung B520
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 900, 1900, 2100-
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HSDPA speedHSDPA, 7.2 Mbps-
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HSUPA speedHSUPA, 5.76 Mbps-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2010-122014-12
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Status2011-2
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Design
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SIMMini-SIMMini-SIM
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Height123.9 mm96 mm
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Width63.2 mm47 mm
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Thickness10.9 mm17.5 mm
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Weight139 g94 g
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ColorsBlackBlack
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Display
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Display typeIPS LCD capacitive touchscreenCSTN
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Physical size4.0 inches1.77 inches
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Resolution480 x 800 pixels128 x 160 pixels
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Pixel density233 ppi116 ppi
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Display colors1677721666560
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Hardware
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CPUDual-core 1 GHz ARM Cortex-A9
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ChipsetNvidia Tegra 2 AP20H-
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GPUULP GeForce-
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Memory RAM512 MB-
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Internal storage8 GB20 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB2 GB
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OS
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OSAndroid OS, v2.2 (Froyo)-
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Main camera
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Camera typePhoto / Video-
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Main camera8 MP
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Primary camera resolution3264 x 2448 pixels-
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Primary camera video1080p@24fps, 720p@30fps-
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Selfie camera1.3 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3 ringtonesVibration; Downloadable polyphonic, MP3 ringtones
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Multimedia
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Radio FMStereo FM radio with RDSFM radio
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Radio recording-FM recording
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Radio Key-dedicated key
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN DLNAYes-
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USBmicroUSB 2.02.0
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Bluetoothv2.1
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Bluetooth A2DPYes-
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIM-
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Messaging Push EmailPush Email-
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WAP-WAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorYes
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Java MIDP-MIDP 2.0
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Browser
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HTMLYesYes
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Adobe FlashYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1500 mAh800 mAh
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Talk time7 h 50 min7 h
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Standby time400 h390 h
