Samsung Galaxy J1 LTE vs Samsung Galaxy J2 vs Samsung Galaxy J7 Prime

BASIC INFO
Model No Galaxy J1 2016 Galaxy J2 Galaxy J7 Prime (Also Know as Samsung Galaxy On NXT)
Status Discontinued Discontinued Available
Release Date 2016, January 2015, September 2016, September
Dimension 132.6 x 69.3 x 8.9 mm (5.22 x 2.73 x 0.35 in) 136.5 x 69 x 8.4 mm (5.37 x 2.72 x 0.33 in) 151.7 x 75 x 8 mm (5.97 x 2.95 x 0.31 in)
Weight 131 g (4.62 oz) 129 g (4.55 oz) 167 g (5.89 oz)
Colors White, Black, Gold White, Black, Gold Black, White/Gold
Body Metrial - - -
W & D Proof - - -
SIM Type Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by) Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
Technology GSM / HSPA / LTE GSM / HSPA / LTE GSM / HSPA / LTE
OS Android OS, v5.1.1 (Lollipop) Android OS, v5.1 (Lollipop) Android 6.0.1 (Marshmallow), upgradable to Android 9.0 (Pie); One UI
PROSESSING
Processor Quad-core 1.3 GHz Cortex-A7 Quad-core 1.3 GHz Cortex-A7 Octa-core 1.6 GHz Cortex-A53
Chipset Spreadtrum SC9830 Exynos 3475 Quad Exynos 7870 Octa
GPU Mali-400 Mali-T720 Mali-T830MP2
MEMORY
RAM 1 GB 1GB 3 GB
Storage 8 GB 8GB 16GB / 32 GB
Card Slot Up to 256 GB Up to 64 GB 256 GB
DISPLAY
Size 4.5 inches 4.7 inches 5.5 inches
Type Super AMOLED LCD capacitive touchscreen, 16M colors Super AMOLED capacitive touchscreen, 16M colors TFT Plus capacitive touchscreen, 16M colors
Resolation 480 x 800 pixels 540 x 960 pixels 1080 x 1920 pixels
PPI 207 ppi pixel density 234 ppi pixel density 401 ppi pixel density
Multi touch Yes Yes Yes
Protection - - Corning Gorilla Glass (market dependent)
CAMERA
Primary 8 MP 5MP 13 MP, f/1.9, 28mm, autofocus
Video Yes, 720p@30fps Yes, 1080p@30fps 1080p@30fps
Flash LED flash LED flash LED flash
Features Geo-tagging, touch focus, face detection Geo-tagging, touch focus, face detection Geo-tagging, touch focus, face detection, panorama, HDR
Selfie Yes 2 MP Yes, 2MP 8 MP, f/1.9
BATTERY
Battery Li-Ion battery Li-Ion battery Li.lon
Capacity 2050 mAh 2000 mAh 3300 mAh
Removable Yes Yes Non-removable
StandBy - - -
Talk Time Up to 12 h (3G) Up to 11 h (3G) Up to 21 h (3G)
Music Play Up to 39 h Up to 41 h Up to 84 h
Browsing - - -
Video Playback - - -
F Charging No - -
W Charging No - -
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) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 - J120F HSDPA 850 / 900 / 1900 / 2100 - J200G, J200GU, J200F, J200Y
HSDPA 850 / 900 / 2100 - J200H
HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - J120F 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), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300) - G610F/DD
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 28(700), 38(2600), 40(2300) - G610Y
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 a/b/g/n, dual-band, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
BlueTooth v4.1, A2DP, LE v4.1, A2DP v4.1, A2DP
USB Yes, microUSB v2.0 microUSB v2.0, USB On-The-Go microUSB v2.0, USB On-The-Go
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS/ BDS (region dependent)
NFC No Yes (market dependent) -
Audio jeck Yes, 3.5 mm Yes, 3.5 mm 3.5 mm Jack
OTHERS
Sensors Accelerometer, proximity Accelerometer, proximity Fingerprint, accelerometer, proximity
Radio FM radio with RDS; recording FM radio, RDS, recording To be confirmed
SARUS 1.58 W/kg (head) 1.18 W/kg (body) 1.18 W/kg (head), 1.27 W/kg (body) 0.65 W/kg (head)
SAREU 0.70 W/kg (head) 0.59 W/kg (body) 0.57 W/kg (head), 0.45 W/kg (body) 0.40 W/kg (head) 1.40 W/kg (body)
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