Nokia Lumia 520 vs Samsung Galaxy J7 Dual SIM vs Samsung Galaxy A8 32GB

BASIC INFO
Model No - - -
Status Discontinued Available. Released 2015, June Exp. release 2015, Q3
Release Date 2013, February 2015, June 2015, July
Dimension 119.9 x 64 x 9.9 mm, 75.7 cc (4.72 x 2.52 x 0.39 in) 152.2 x 79.1 x 7.9 mm (5.99 x 3.11 x 0.31 in) 158 x 76.8 x 5.9 mm (6.22 x 3.02 x 0.23 in)
Weight 124 g (4.37 oz) 170 g 151 g
Colors Yellow, red, cyan, white/black White, Black Pearl White, Midnight Black, Champagne Gold
Body Metrial - - -
W & D Proof - - -
SIM Type - Dual SIM -
Technology - GSM / HSPA / LTE -
OS Microsoft Windows Phone 8, upgradeable to WP8 Amber Android OS, v5.0.2 (Lollipop) Android OS, v5.0.2 (Lollipop)
PROSESSING
Processor Dual-core 1 GHz Krait Quad-core 1.4 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53 Qualcomm Snapdragon 615 Quad core 1.5 GHz Cortex A53 and Quad core 1.0GHz Cortex A53 Octa core Proce
Chipset - Exynos 7580 Octa -
GPU - Mali-T720MP2 -
MEMORY
RAM - 1GB -
Storage - 8GB -
Card Slot 8 GB storage, 512 MB RAM, microSD, up to 64 GB up to 128 GB (dedicated slot) 32GB Storage, 2GB RAM, microSD, up to 64 GB
DISPLAY
Size 480 x 800 pixels, 4.0 inches (~233 ppi pixel density) 5.5 inches 1080 x 1920 pixels 5.7 inches with 401 ppi pixel density
Type IPS LCD capacitive touchscreen, 16M colors IPS LCD capacitive touchscreen, 16M colors Super Amoled capacitive touchscreen, 16M colors
Resolation - 720 x 1280 pixels -
PPI - 267 ppi pixel density -
Multi touch - Yes -
Protection - - -
CAMERA
Primary 5 MP, 2592х1936 pixels, autofocus, 13 MP, autofocus 16 MP Dual Lens, 3456 x 4608 pixels, optical image stabilization, autofocus, triple-LED flash, Geo-tagging, touch focus, face detection, panorama, HDR
Video Yes, 720p@30fps Yes, 720p@30fps Yes, 720p@30fps
Flash - Led flash -
Features - Yes -
Selfie - Yes 5 MP Yes 5 MP
BATTERY
Battery Li-Ion 1430 mAh battery (BL-5J) Li-Ion Non-removable Li-Ion 3050 mAh battery
Capacity - 3000 mAh -
Removable - Yes -
StandBy - - -
Talk Time - Up to 18 h (3G) -
Music Play - Up to 76 h -
Browsing - - -
Video Playback - - -
F Charging - - -
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 - all versions GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1700 / 1900 / 2100 - RM-910, RM-893 HSDPA 900 / 2100 SIM 1 & SIM 2 HSDPA 850 / 900 / 1900 / 2100
4G Network - LTE band 1(2100), 3(1800), 7(2600), LTE band 38(2600), 39(1900), 40(2300), 41(2500) LTE 800 / 900 / 1800 / 2600
Speed - HSPA, LTE Cat4 150/50 Mbps -
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
BlueTooth Yes, v4.0 with A2DP, LE Yes, v4.0 with A2DP V4.0 with A2DP
USB Yes, microUSB v2.0 Yes, microUSB v2.0 MicroUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS
NFC - - -
Audio jeck - - -
OTHERS
Sensors - Accelerometer, proximity -
Radio Stereo FM radio FM radio FM radio
SARUS - - -
SAREU - - -
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