LG Optimus 4X HD vs LG Optimus G

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Display

Size

4.7 inches
4.7 inches

Resolution

1280 x 720 pixels,
312 PPI
1280 x 768 pixels,
318 PPI

Technology

IPS LCD
IPS LCD

Screen-to-body

67.60 %
69.29 %

Features

Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor, Scratch-resistant glass (Corning Gorilla Glass 2)

Hardware

System chip

NVIDIA Tegra 3 T30
Qualcomm Snapdragon S4 Pro APQ8064

Processor

Quad-core, 1500 MHz, ARM Cortex-A9
Quad-core, 1500 MHz, Krait

GPU

Nvidia ULP GeForce
Adreno 320

RAM

1GB LPDDR2
2GB

Internal storage

16GB, available to use: 12 GB
32GB

Storage expansion

microSDXC up to 64 GB
microSDXC up to 64 GB

OS

Android (4.1, 4.0.3), LG Optimus UI
Android (4.4.2, 4.1.2, 4.0.4)

Battery

Capacity

2150 mAh
2100 mAh

Type

Li - Ion, User replaceable
Li - Polymer, Not user replaceable

Camera

Rear

Single camera
Single camera

Main camera

8 MP (Autofocus, BSI sensor)
13 MP (Autofocus)

Video recording

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD)

Features

Video calling
Video calling

Front

1.3 MP
1.3 MP

Design

Dimensions

5.21 x 2.68 x 0.35 inches (132.4 x 68.1 x 8.9 mm)
5.19 x 2.71 x 0.33 inches (131.9 x 68.9 x 8.45 mm)

Weight

4.97 oz (141.0 g)
the average is 6.2 oz (178 g)
5.11 oz (145.0 g)
the average is 6.2 oz (178 g)

Colors

 
Black, White

Cellular

LTE (FDD)

 
Bands 18(800 Lower), 8(900), 3(1800), 1(2100), 7(2600)

UMTS

850, 900, 1900, 2100 MHz
900, 2100 MHz

Data Speed

HSDPA+ (4G) 21.1 Mbit/s, UMTS
LTE Cat 3 (100/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

SIM type

 
Micro SIM

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Album art cover, Background playback
Album art cover, Background playback

Screen mirroring

DLNA, MHL
DLNA, MHL

Radio

FM, Stereo, RDS
FM, Stereo, RDS

Connectivity & Features

Bluetooth

4.0
4.0

Wi-Fi

802.11 a, b, g, n; Hotspot, Wi-Fi Direct
802.11 a, b, g, n, dual-band; Hotspot, Wi-Fi Direct

USB

microUSB, USB 2.0
microUSB, USB 2.0

Features

Mass storage device, Charging, Video out
Mass storage device, OTG, Charging, Video out

HDMI

Yes
Yes

Location

A-GPS
GPS, A-GPS, Glonass

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer, Compass

Other

NFC, Tethering, Computer sync, OTA sync
NFC, Computer sync, OTA sync

Phone features

Notifications

Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone

Other features

Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval

 
 

Date approved

May 29, 2012
Oct 18, 2012

FCC ID value: ZNFP880 link
FCC ID value: ZNFE973 link

Measured SAR

 
 

Head

0.51 W/kg
0.70 W/kg

Body

0.74 W/kg
1.06 W/kg

Simultaneous Transmission

0.76 W/kg
1.44 W/kg

Wireless Router

0.74 W/kg
1.07 W/kg
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