Samsung Galaxy J3 (2018) vs Samsung Galaxy J7 (2018)

A spec-by-spec comparison of the Samsung Galaxy J3 (2018) and the Samsung Galaxy J7 (2018), taken from their full specification sheets. Green marks the better value in each measured row.

Samsung Galaxy J3 (2018) smartphone

Samsung Galaxy J3 (2018)

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Samsung Galaxy J7 (2018) smartphone

Samsung Galaxy J7 (2018)

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Head to head

Samsung Galaxy J3 (2018)Samsung Galaxy J7 (2018)
Our rating5/106/10
Battery2,600 mAh3,300 mAh
RAM (max)—2 GB
Storage (max)400 GB512 GB
Screen size5 in5.5 in
Main camera8 MP13 MP
Weight (lower is lighter)152 g181 g
ReleasedJun 2018Jul 2018
Summary: Samsung Galaxy J3 (2018) is ahead on weight (lower is lighter). Samsung Galaxy J7 (2018) is ahead on our rating, battery, storage (max), screen size.
★ Which should you buy? Samsung Galaxy J7 (2018) is the stronger overall pick on the measured specs.

Reviewed by the infozme.com Editorial Team — see how we research & rate phones.

Display

Samsung Galaxy J3 (2018)Samsung Galaxy J7 (2018)
TypeTFT LCDTFT LCD
Size5.0 inches5.5 inches
Resolution720 x 1280 pixels, 16:9 ratio (~294 ppi density)720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Protection—Corning Gorilla Glass 5

Platform

Samsung Galaxy J3 (2018)Samsung Galaxy J7 (2018)
OSAndroid 8.0 Oreo (upgradable to Android 9 Pie for some models)Android 8.0 Oreo, upgradable to Android 9.0 Pie with One UI
ChipsetExynos 7570 Quad (14 nm)Exynos 7870 Octa (14 nm)
CPUQuad-core 1.4 GHz Cortex-A53Octa-core 1.6 GHz Cortex-A53
GPUMali-T720MP2Mali-T830 MP1

Memory

Samsung Galaxy J3 (2018)Samsung Galaxy J7 (2018)
RAM2 GB—
Internal Storage16 GB—
Card slotmicroSD, up to 400 GB (dedicated slot)microSDXC (dedicated slot), expandable up to 256GB or 512GB
Internal—16GB 2GB RAM, 32GB 2GB RAM

Main Camera

Samsung Galaxy J3 (2018)Samsung Galaxy J7 (2018)
Single8 MP, f/1.9, AF13 MP, f/1.9 (wide), AF
FeaturesLED flash, panorama, HDRLED flash, HDR, panorama
Video1080p@30fps1080p@30fps

Selfie Camera

Samsung Galaxy J3 (2018)Samsung Galaxy J7 (2018)
Single5 MP, f/2.213 MP, f/1.9 (wide) or 5 MP (operator-dependent)
Features—LED flash (on some variants)
Video—1080p@30fps

Battery

Samsung Galaxy J3 (2018)Samsung Galaxy J7 (2018)
TypeRemovable Li-IonLi-Ion 3300 mAh, non-removable
Capacity2600 mAh—
Charging—Standard charging

Body

Samsung Galaxy J3 (2018)Samsung Galaxy J7 (2018)
Dimensions142.7 x 70.1 x 8.9 mm (5.62 x 2.76 x 0.35 in)153.2 x 76.2 x 8.6 mm (6.03 x 3.00 x 0.34 in)
Weight152 g (5.36 oz)181 g (6.38 oz)
ColorsBlack, Blue, Gold—
Build—Plastic back and frame, Corning Gorilla Glass 5 front
SIM—Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)

Comms

Samsung Galaxy J3 (2018)Samsung Galaxy J7 (2018)
WLANWi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspotWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth4.2, A2DP, LE4.2, A2DP, LE
GPSGPS, GLONASS, BDS—
RadioFM radioFM radio
USBmicroUSB 2.0microUSB 2.0, OTG
Positioning—GPS, GLONASS, BDS
NFC—Yes (operator-dependent)

Launch

Samsung Galaxy J3 (2018)Samsung Galaxy J7 (2018)
AnnouncedJune 7, 2018June 2018
Release DateJune 8, 2018—
StatusDiscontinued (as of 2019)Available. Released July 2018

Frequently asked questions

Which has the better battery, Samsung Galaxy J3 (2018) or Samsung Galaxy J7 (2018)?

Samsung Galaxy J7 (2018) — 2,600 mAh for the Samsung Galaxy J3 (2018) versus 3,300 mAh for the Samsung Galaxy J7 (2018).

Which is lighter, Samsung Galaxy J3 (2018) or Samsung Galaxy J7 (2018)?

Samsung Galaxy J3 (2018) — 152 g for the Samsung Galaxy J3 (2018) versus 181 g for the Samsung Galaxy J7 (2018).

Which is newer, Samsung Galaxy J3 (2018) or Samsung Galaxy J7 (2018)?

Samsung Galaxy J7 (2018) — Jun 2018 for the Samsung Galaxy J3 (2018) versus Jul 2018 for the Samsung Galaxy J7 (2018).

Is the Samsung Galaxy J3 (2018) or the Samsung Galaxy J7 (2018) rated higher?

We rate the Samsung Galaxy J3 (2018) 5/10 and the Samsung Galaxy J7 (2018) 6/10.

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