Samsung Galaxy J2 vs Samsung Galaxy J7 Dual SIM

BASIC INFO
Model No Galaxy J2 -
Status Discontinued Available. Released 2015, June
Release Date 2015, September 2015, June
Dimension 136.5 x 69 x 8.4 mm (5.37 x 2.72 x 0.33 in) 152.2 x 79.1 x 7.9 mm (5.99 x 3.11 x 0.31 in)
Weight 129 g (4.55 oz) 170 g
Colors White, Black, Gold White, Black
Body Metrial - -
W & D Proof - -
SIM Type Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by) Dual SIM
Technology GSM / HSPA / LTE GSM / HSPA / LTE
OS Android OS, v5.1 (Lollipop) Android OS, v5.0.2 (Lollipop)
PROSESSING
Processor Quad-core 1.3 GHz Cortex-A7 Quad-core 1.4 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53
Chipset Exynos 3475 Quad Exynos 7580 Octa
GPU Mali-T720 Mali-T720MP2
MEMORY
RAM 1GB 1GB
Storage 8GB 8GB
Card Slot Up to 64 GB up to 128 GB (dedicated slot)
DISPLAY
Size 4.7 inches 5.5 inches
Type Super AMOLED capacitive touchscreen, 16M colors IPS LCD capacitive touchscreen, 16M colors
Resolation 540 x 960 pixels 720 x 1280 pixels
PPI 234 ppi pixel density 267 ppi pixel density
Multi touch Yes Yes
Protection - -
CAMERA
Primary 5MP 13 MP, autofocus
Video Yes, 1080p@30fps Yes, 720p@30fps
Flash LED flash Led flash
Features Geo-tagging, touch focus, face detection Yes
Selfie Yes, 2MP Yes 5 MP
BATTERY
Battery Li-Ion battery Li-Ion
Capacity 2000 mAh 3000 mAh
Removable Yes Yes
StandBy - -
Talk Time Up to 11 h (3G) Up to 18 h (3G)
Music Play Up to 41 h Up to 76 h
Browsing - -
Video Playback - -
F Charging - -
W Charging - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 - J200G, J200GU, J200F, J200Y
HSDPA 850 / 900 / 2100 - J200H
HSDPA 900 / 2100 SIM 1 & SIM 2
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - J200F
LTE band 1(2100), 3(1800), 5(850), 8(900), 20(800), 40(2300) - J200G
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900) - J200GU
LTE band 1(2100), 3(1800), 5(850), 7(2600),
LTE band 1(2100), 3(1800), 7(2600), LTE band 38(2600), 39(1900), 40(2300), 41(2500)
Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA, LTE Cat4 150/50 Mbps
5G - -
CONECTIVY
WALAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi hotspot
BlueTooth v4.1, A2DP Yes, v4.0 with A2DP
USB microUSB v2.0, USB On-The-Go Yes, microUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS support and GLONASS
NFC Yes (market dependent) -
Audio jeck Yes, 3.5 mm -
OTHERS
Sensors Accelerometer, proximity Accelerometer, proximity
Radio FM radio, RDS, recording FM radio
SARUS 1.18 W/kg (head), 1.27 W/kg (body) -
SAREU 0.57 W/kg (head), 0.45 W/kg (body) -
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