LG G3 vs Nokia Lumia 920 vs Microsoft Lumia 640 Dual SIM

BASIC INFO
Model No D855 (Europe); D850 (AT&T); D851 (T-Mobile); D852 (Canada) - -
Status Available. Released 2014, June Released 2012, November Available. Released 2015, April
Release Date 2014, May 2012, September 2015, March
Dimension 146.3 x 74.6 x 8.9 mm (5.76 x 2.94 x 0.35 in) 130.3 x 70.8 x 10.7 mm, 99 cc (5.13 x 2.79 x 0.42 in) 141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
Weight 149 g (5.26 oz) 185 g (6.53 oz) 145 g (5.11 oz)
Colors Metallic Black, Silk White, Shine Gold, Moon Violet, Burgundy Red, Blue Steel Black, Gray, Red, Yellow, White Glossy cyan, Orange, White, Matte black
Body Metrial - - -
W & D Proof - - -
SIM Type Micro-SIM - -
Technology GSM / HSPA / LTE - -
OS Android OS, v4.2.2 (Jelly Bean) Microsoft Windows Phone 8, upgradeable to WP8 Amber Microsoft Windows Phone 8.1, planned upgrade to Windows 10
PROSESSING
Processor Quad-core 2.5 GHz Krait 400 Dual-core 1.5 GHz Krait Qualcomm Snapdragon 400, Quad core 1.2 GHz cortex a7 Adreno 305 GPU
Chipset Qualcomm MSM8974AC Snapdragon 801 - -
GPU Adreno 330 - -
MEMORY
RAM 2GB - -
Storage 16GB - -
Card Slot up to 128 GB (dedicated slot) 32 GB, 1 GB RAM 8 GB Storage, 1 GB RAM, microSD, up to 32 GB card slot
DISPLAY
Size 5.5 inches 768 x 1280 pixels, 4.5 inches (~332 ppi pixel density) 720 x 1280 pixels, 5 inches (~229 ppi pixel density)
Type True HD-IPS + LCD capacitive touchscreen, 16M colors IPS LCD capacitive touchscreen, 16M colors IPS LCD capacitive touchscreen, 16M colors
Resolation 2560 x 1440 pixels - -
PPI 534 ppi pixel density - -
Multi touch Yes - -
Protection Corning Gorilla Glass 3 - -
CAMERA
Primary 13 MP, 4128 x 3096 pixels, autofocus 8 MP, 3264 x 2448 pixels, Carl Zeiss optics, optical image stabilization, autofocus, dual-LED flash, 8 MP, 3264 x 2448 pixels, autofocus, LED flash
Video Yes, 2160p@30fps, 1080p@60fps, HDR, stereo sound rec., video stabilization Yes, 1080p@30fps, video stabilization Yes, 1080p@30fps
Flash LED flash - -
Features 1/3 sensor size, 1.12 µm pixel size, geo-tagging, touch focus, face/smile detection, panorama, HDR - -
Selfie Yes, 2.1 MP, 1080p@30fps Yes, 1.3 MP, 720p@30fps Yes, 1 MP
BATTERY
Battery Li-Ion Non-removable Li-Ion 2000 mAh battery (BP-4GW) Li-Ion 2500 mAh battery
Capacity 3000 mAh - -
Removable Yes - -
StandBy Up to 565 h (2G) / Up to 553 h (3G) - -
Talk Time Up to 19 h (2G) / Up to 21 h (3G) - -
Music Play - - -
Browsing - - -
Video Playback - - -
F Charging - - -
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 - all versions GSM 850 / 900 / 1800 / 1900 - RM-821, RM-820 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 - D855
HSDPA 850 / 1900 / 2100 - D850
HSDPA 850 / 1700 / 1900 / 2100 - D851
HSDPA 850 / 1900 / 2100 - D852
HSDPA 850 / 900 / 1900 / 2100 - RM-821, RM-820 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 2(1900), 4(1700/2100), 7(2600), 17(700) - D851
LTE 700 / 800 / 900 / 1800 / 2100 / 2300 / 2600 - D855
LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 17(700), 29(700) - D850
LTE 700 / 850 / 1900 / 1700 / 2600 - D
LTE 700 MHz Class 17 / 1700 / 2100 - RM-820 (AT&T) -
Speed HSPA 42.2/21.1 Mbps, LTE Cat4 150/50 Mbps - -
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot
BlueTooth v4.0, A2DP, LE, apt-X Yes, v3.1 with A2DP, EDR Yes, v4.0 with A2DP
USB Yes, microUSB v2.0 (SlimPort), USB On-the-go, USB Host Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS, Beidou
NFC Yes - -
Audio jeck Yes, 3.5mm - -
OTHERS
Sensors Accelerometer, gyro, proximity, compass - -
Radio Stereo FM radio, RDS - D855 model only Stereo FM radio with RDS FM radio
SARUS 0.39 W/kg (head) 0.48 W/kg (body) - -
SAREU 0.23 W/kg (head) - -
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