Samsung Galaxy Mega On vs Samsung Galaxy J7 Dual SIM vs Samsung Galaxy J1 Ace

BASIC INFO
Model No Galaxy Mega On - -
Status Release 2015 september Available. Released 2015, June Discontinued
Release Date 2015, September 2015, June 2014, December
Dimension 142 x 71.9 x 8.5 mm (5.59 x 2.83 x 0.33 in) 152.2 x 79.1 x 7.9 mm (5.99 x 3.11 x 0.31 in) 130.10 x 67.60 x 9.50
Weight 140 g (4.94 oz) 170 g 124 g
Colors White, Black White, Black White, Black
Body Metrial - - -
W & D Proof - - -
SIM Type - Dual SIM -
Technology - GSM / HSPA / LTE -
OS Android OS, v5.1 (Lollipop) Android OS, v5.0.2 (Lollipop) Android OS, v4.4.2 (KitKat)
PROSESSING
Processor Quad-core 1.3 GHz Cortex-A53 Quad-core 1.4 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53 Dual-core 1.2 GHz Cortex-A7
Chipset Mediatake Exynos 7580 Octa -
GPU - Mali-T720MP2 -
MEMORY
RAM 1 GB 1GB -
Storage 16 GB 8GB -
Card Slot microSD, up to 64 GB up to 128 GB (dedicated slot) 4 GB, 512MB RAM, microSD, up to 64 GB
DISPLAY
Size 5.5 inches 5.5 inches 480 x 800 pixels, 4.3 inches
Type TFT LCD capacitive touchscreen, 16M colors IPS LCD capacitive touchscreen, 16M colors TFT LCD capacitive touchscreen, 16M colors
Resolation 720 x 1280 pixels 720 x 1280 pixels -
PPI 267 ppi pixel density 267 ppi pixel density -
Multi touch Yes Yes -
Protection - - -
CAMERA
Primary 13 MP 13 MP, autofocus 5 MP, 2592 x 1944 pixels, autofocus, LED flash
Video Yes, 1080p@30fps Yes, 720p@30fps Yes, 720p@30fps
Flash LED flash Led flash -
Features - Yes -
Selfie Yes, 8MP Yes 5 MP Yes 2 MP
BATTERY
Battery Li-Ion battery Li-Ion Li-Ion 1800 mAh battery
Capacity 2600 mAh 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 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 900 / 2100 SIM 1 & SIM 2 HSDPA 900 / 2100
4G Network LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) LTE band 1(2100), 3(1800), 7(2600), LTE band 38(2600), 39(1900), 40(2300), 41(2500) -
Speed - HSPA, LTE Cat4 150/50 Mbps -
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi hotspot
BlueTooth Yes, v4.0 with A2DP Yes, v4.0 with A2DP Yes, v4.0 with A2DP
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, 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 3.5mm Jack - -
OTHERS
Sensors Accelerometer, proximity, compass Accelerometer, proximity -
Radio FM radio FM radio FM radio
SARUS - - -
SAREU - - -
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