Samsung Galaxy J7 Dual SIM vs Samsung Galaxy J3

BASIC INFO
Model No - Galaxy J3
Status Available. Released 2015, June Available. Released 2016, January
Release Date 2015, June 2015,
Dimension 152.2 x 79.1 x 7.9 mm (5.99 x 3.11 x 0.31 in) 142.3 x 71 x 7.9 mm (5.60 x 2.80 x 0.31 in)
Weight 170 g 138 g (4.87 oz)
Colors White, Black White, Black, Gold
Body Metrial - -
W & D Proof - -
SIM Type Dual SIM Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
Technology GSM / HSPA / LTE GSM / HSPA / LTE
OS Android OS, v5.0.2 (Lollipop) Android OS, v5.1 (Lollipop)
PROSESSING
Processor Quad-core 1.4 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53 Quad-core 1.2 GHz Cortex-A7
Chipset Exynos 7580 Octa Spreadtrum SC8830
GPU Mali-T720MP2 Mali-400
MEMORY
RAM 1GB 1.5GB
Storage 8GB 8/16GB
Card Slot up to 128 GB (dedicated slot) up to 128 GB (dedicated slot)
DISPLAY
Size 5.5 inches 5 inches
Type IPS LCD capacitive touchscreen, 16M colors Super Amoled LCD capacitive touchscreen, 16M colors
Resolation 720 x 1280 pixels 720 x 1280 pixels
PPI 267 ppi pixel density 294 ppi pixel density
Multi touch Yes Yes
Protection - -
CAMERA
Primary 13 MP, autofocus 8 MP, f/2.2, autofocus, J3109, J320F
5 MP, autofocus, - J320P
Video Yes, 720p@30fps 1080p video capture, plus a 5MP/1080p selfie camera.
Flash Led flash Led flash
Features Yes Geo-tagging, touch focus, face detection, HDR
Selfie Yes 5 MP 5 MP, f/2.2, 720p@30fps - J3109, J320F
2 MP - J320P
BATTERY
Battery Li-Ion Li-Ion
Capacity 3000 mAh 2600 mAh
Removable Yes Yes
StandBy - Up to 349 h
Talk Time Up to 18 h (3G) Up to 22 h
Music Play Up to 76 h Up to 77 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 (dual-SIM model only)
3G Network HSDPA 900 / 2100 SIM 1 & SIM 2 HSDPA 850 / 900 / 1900 / 2100 - J320F, J3109
4G Network LTE band 1(2100), 3(1800), 7(2600), LTE band 38(2600), 39(1900), 40(2300), 41(2500) LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - J320F
LTE band 1(2100), 3(1800), 7(2600), 41(2500) - J3109
Speed HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, 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 b/g/n, Wi-Fi Direct, hotspot
BlueTooth Yes, v4.0 with A2DP v4.1, A2DP
USB Yes, microUSB v2.0 microUSB v2.0, USB On-The-Go
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS/ BDS (region dependent)
NFC - No
Audio jeck - Yes, 3.5mm
OTHERS
Sensors Accelerometer, proximity Accelerometer, proximity
Radio FM radio FM radio, RDS, recording
SARUS - 1.17 W/kg (head) 1.12 W/kg (body)
SAREU - 0.48 W/kg (head) 0.42 W/kg (body)
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