Samsung Galaxy J4 vs Samsung Galaxy J8

A spec-by-spec comparison of the Samsung Galaxy J4 and the Samsung Galaxy J8, taken from their full specification sheets. Green marks the better value in each measured row.

Samsung Galaxy J4 smartphone

Samsung Galaxy J4

From $7,968
Full specs, price & review →
VS
Samsung Galaxy J8 smartphone

Samsung Galaxy J8

See shop prices
Full specs, price & review →

Head to head

Samsung Galaxy J4Samsung Galaxy J8
Our rating6/106/10
Battery3,000 mAh3,500 mAh
RAM (max)3 GB4 GB
Storage (max)256 GB64 GB
Screen size5.5 in6 in
Main camera13 MP16 MP
Weight (lower is lighter)175 g177 g
ReleasedMay 2018Jun 2018
Summary: Samsung Galaxy J4 is ahead on storage (max), weight (lower is lighter). Samsung Galaxy J8 is ahead on battery, ram (max), screen size, main camera.
★ Which should you buy? Samsung Galaxy J8 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 J4Samsung Galaxy J8
TypeSuper AMOLEDSuper AMOLED
Size5.5 inches, 83.4 cm2 (~71.9% screen-to-body ratio)6.0 inches, 91.4 cm2 (~75.8% screen-to-body ratio)
Resolution720 x 1280 pixels, 16:9 ratio (~267 ppi density)720 x 1480 pixels, 18.5:9 ratio (~274 ppi density)
Protection2.5D GlassCorning Gorilla Glass (unspecified version)

Platform

Samsung Galaxy J4Samsung Galaxy J8
OSAndroid 8.0 (Oreo), upgradable to Android 10, One UI 2.0Android 8.0 (Oreo), upgradable to Android 9.0 (Pie)
ChipsetExynos 7570 Quad (14 nm)Qualcomm SDM450 Snapdragon 450 (14 nm)
CPUQuad-core 1.4 GHz Cortex-A53Octa-core 1.8 GHz Cortex-A53
GPUMali-T720 MP2Adreno 506

Memory

Samsung Galaxy J4Samsung Galaxy J8
Card slotmicroSDXC (dedicated slot, up to 256GB)microSDXC (dedicated slot)
Internal16GB 2GB RAM, 32GB 3GB RAM32GB 3GB RAM, 64GB 4GB RAM

Main Camera

Samsung Galaxy J4Samsung Galaxy J8
Single13 MP, f/1.9, 28mm (wide), AF—
FeaturesLED flash, panorama, HDRLED flash, panorama, HDR
Video1080p@30fps1080p@30fps
Dual—16 MP, f/1.7, AF; 5 MP, f/1.9, (depth)

Selfie Camera

Samsung Galaxy J4Samsung Galaxy J8
Single5 MP, f/2.216 MP, f/1.9
FeaturesLED flashLED flash
Video1080p@30fps1080p@30fps

Battery

Samsung Galaxy J4Samsung Galaxy J8
TypeRemovable Li-Ion 3000 mAh batteryLi-Ion 3500 mAh, non-removable
Charging—Standard charging

Body

Samsung Galaxy J4Samsung Galaxy J8
Dimensions151.7 x 77.2 x 8.1 mm (5.97 x 3.04 x 0.32 in)159.2 x 75.7 x 8.2 mm (6.27 x 2.98 x 0.32 in)
Weight175 g (6.17 oz)177 g (6.24 oz)
BuildGlass front, plastic back, plastic frameGlass front, plastic back, plastic frame
SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)

Comms

Samsung Galaxy J4Samsung Galaxy J8
WLANWi-Fi 802.11 b/g/n, Wi-Fi DirectWi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth4.2, A2DP, LE4.2, A2DP, LE
PositioningGPS, GLONASS, BDS—
NFCNoNo
RadioFM radioFM radio
USBmicroUSB 2.0microUSB 2.0, USB On-The-Go
GPS—Yes, with A-GPS, GLONASS, BDS

Launch

Samsung Galaxy J4Samsung Galaxy J8
Announced2018, MayMay 22, 2018
StatusAvailable. Released 2018, MayAvailable. Released June 28, 2018

Frequently asked questions

Which has the better battery, Samsung Galaxy J4 or Samsung Galaxy J8?

Samsung Galaxy J8 — 3,000 mAh for the Samsung Galaxy J4 versus 3,500 mAh for the Samsung Galaxy J8.

Which has more RAM, Samsung Galaxy J4 or Samsung Galaxy J8?

Samsung Galaxy J8 — 3 GB for the Samsung Galaxy J4 versus 4 GB for the Samsung Galaxy J8.

Which is lighter, Samsung Galaxy J4 or Samsung Galaxy J8?

Samsung Galaxy J4 — 175 g for the Samsung Galaxy J4 versus 177 g for the Samsung Galaxy J8.

Which is newer, Samsung Galaxy J4 or Samsung Galaxy J8?

Samsung Galaxy J8 — May 2018 for the Samsung Galaxy J4 versus Jun 2018 for the Samsung Galaxy J8.

Is the Samsung Galaxy J4 or the Samsung Galaxy J8 rated higher?

We rate the Samsung Galaxy J4 6/10 and the Samsung Galaxy J8 6/10.

Best phone lists →