Nokia Lumia 638 vs LG G Flex2 vs LG G3 32 GB

BASIC INFO
Model No - LG H955 (EMEA), LG LS996 (Sprint), LG H950 (AT&T), LG US995 (U.S. Cellular) -
Status Available. Released 2014, December Available. Released 2015, February Released 2014, May
Release Date 2014, December 2015, January 2014, April
Dimension 129.5 x 66.7 x 9.2 mm (5.10 x 2.63 x 0.36 in) 149.1 x 75.3 x 7.1-9.4 mm 145 x 76 x 10.5 mm (5.71 x 2.99 x 0.41 in)
Weight 136 g (4.80 oz) 152 g (5.36 oz) 160 g (5.64 oz)
Colors Yellow, white, black, red Metallic Black, Silk White Black, White
Body Metrial - - -
W & D Proof - - -
SIM Type Micro-SIM Micro-SIM -
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE -
OS Microsoft Windows Phone 8.1 Android OS, v5.0.1 Lollypop Android OS, v4.2.2 (Jelly Bean)
PROSESSING
Processor Quad-core 1.2 GHz Cortex-A7 Quad-core 1.5 GHz Cortex-A53 & Quad-core 2.0 GHz Cortex-A57 Quad-core 2.26 GHz Krait 400
Chipset Qualcomm Snapdragon 400 Qualcomm MSM8994 Snapdragon 810 -
GPU Adreno 305 Adreno 430 -
MEMORY
RAM 512MB 2GB -
Storage 8GB 16GB -
Card Slot up to 128 GB (dedicated slot) up to 128 GB (dedicated slot) 32 GB Storage, 3 GB RAM, MicroSD up to 128 GB
DISPLAY
Size 4.5 inches 5.5 inches 2560 x 1440 pixels, 5.5 inches (~534 ppi pixel density), multi touch with Corning Gorilla Glass
Type IPS capacitive touchscreen, 16M colors Curved P-OLED capacitive touchscreen, 16M colors True HD-IPS + LCD capacitive touchscreen, 16M colors
Resolation 480 x 854 pixels 1080 x 1920 pixels -
PPI 218 ppi pixel density 403 ppi pixel density -
Multi touch Yes Yes -
Protection Corning Gorilla Glass 3, ClearBlack display Corning Gorilla Glass 3 -
CAMERA
Primary 5 MP, autofocus 13 MP, f/2.4, laser autofocus 13 MP, 4128 x 3096 pixels, autofocus, LED flash
Video Yes, 720p@30fps 2160p@30fps, 1080p@60fps, HDR, stereo sound rec Yes, 2160p@30fps, 1080p@60fps, HDR, stereo sound rec., video stabilization
Flash - Led flash -
Features 1/4 sensor size, geo-tagging, panorama Geo-tagging, touch focus, face/smile detection, panorama, HDR -
Selfie No 2.1 MP, 1080p@30fps Yes, 2.1 MP, 1080p@30fps
BATTERY
Battery Li-Ion Li-Po Li-Po 3000 mAh battery
Capacity 1830 mAh 3000 mAh -
Removable Yes Non-removable -
StandBy - Up to 520 h (2G) / Up to 450 h (3G) -
Talk Time - Up to 18 h (2G) / Up to 20 h (3G) -
Music Play - - -
Browsing - - -
Video Playback - - -
F Charging - - -
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
CDMA 800 / 1900 - US995 (U.S. Cellular)
GSM 850 / 900 / 1800 / 1900, CDMA 800 / 1900, CDMA Version
3G Network HSDPA 850 / 900 / 1900 / 2100 - RM-1010 HSDPA 850 / 900 / 1900 / 2100
CDMA2000 1xEV-DO - US995 (U.S. Cellular)
HSDPA 850 / 900 / 1900 / 2100, CDMA2000 1xEV-DO - CDMA version
4G Network LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800) - H955
LTE band 2(1900), 4(1700/2100), 12(700), 25(1900), 26(850), 41(2500) - LS996 (Sprint)
LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 17(700) - H950 (AT&T)
LTE -
LTE 800 / 1800 / 2600, CDMA2000 1xEV-DO - CDMA version
Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/21.1 Mbps, LTE Cat6 300/50 Mbps
LTE, EV-DO Rev.A 3.1 Mbps - US995 (U.S. Cellular)
-
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 b/g/n, DLNA, hotspot 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, DLNA, Wi-Fi hotspot
BlueTooth v4.0, A2DP, LE/ apt-X after WP8 Denim update v4.1, A2DP, LE, apt-X Yes, v4.0 with A2DP, LE
USB Yes, microUSB v2.0 microUSB v2.0 (SlimPort), USB Host Yes, microUSB v2.0 (SlimPort), USB On-the-go, USB Host
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS support and GLONASS
NFC No Yes -
Audio jeck Yes, 3.5mm Yes, 3.5mm -
OTHERS
Sensors Accelerometer Accelerometer, proximity, compass -
Radio FM radio Stereo FM radio, RDS TBD
SARUS - 1.10 W/kg (head) 1.07 W/kg (body) -
SAREU 1.46 W/kg (head), 0.95 W/kg (body) 0.68 W/kg (head) 0.44 W/kg (body) -
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