Samsung Galaxy J8 vs Xiaomi Redmi 9 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

5.0
Xiaomi Redmi 9
Samsung Galaxy J8 Xiaomi Redmi 9
Released · Jun 28, 2018
Released · Jun 18, 2020
6.0-inch
6.5-inch
Dual camera
Quad camera
4GB · 64GB
3GB · 32GB
3500 mAh
5020 mAh
Check prices

Design

Dimensions
6.27 x 2.98 x 0.32 inches
159.2 x 75.7 x 8.2 mm
6.43 x 3.03 x 0.36 inches
163.32 x 77.01 x 9.1 mm
Weight
6.24 oz (177.0 g) 6.98 oz (198.0 g)
Materials
Back: Plastic
Biometrics
2D Face unlock, Fingerprint (touch) 2D Face unlock, Fingerprint (touch)
Keys
Left: Volume control; Right: Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black, Gold, Pink, Blue Carbon gray, Sunset purple, Ocean green

Display

Size
6.0-inch 6.5-inch
Resolution
1480x720px, 18.5:9 ratio, 274 PPI 2340x1080px, 19.5:9 ratio, 395 PPI
Technology
Super AMOLED IPS LCD
Screen-to-body
75.79 % 83.27 %
Features
Proximity sensor Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 450 SDM450 (14 nm) MediaTek Helio G80 (12 nm)
Processor
Octa-core
1800 MHz
ARM Cortex-A53
Octa-core
2000 MHz
Arm Cortex-A75 and Arm Cortex-A55
GPU
Adreno 506 Mali G52 MC2
RAM
4GB (LPDDR3) 3GB (LPDDR4)
Internal storage
64GB, available to use: 51 GB 32GB (eMMC 5.1)
Storage expansion
microSDXC up to 256 GB microSDXC
OS
Android (10, 8.0 Oreo), Samsung TouchWiz UI Android

Battery

Capacity
3500 mAh 5020 mAh
Charging
Qualcomm Quick Charge 3.0
Charge speed
Wired: 18.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
Untested
Browsing
Untested
Video
9h 15min
Gaming
7h 3min

Camera

Rear
Dual camera Quad camera
Main camera
16 MP (PDAF, CCD image sensor)
Aperture size: F1.7
Focal length: 26 mm
Sensor size: 1/2.8"
Pixel size: 1.12 μm
13 MP (PDAF)
Aperture size: F2.2
Second camera
5 MP (Depth information)
Aperture size: F1.9
Focal Length: 24 mm
Sensor size: 1/5"
Pixel size: 1.12 μm
8 MP (Ultra-wide)
Aperture size: F2.2
Third camera
5 MP (Macro)
Aperture size: F2.4
Fourth camera
2 MP (Depth information)
Flash
LED LED
Video recording
1920x1080 (Full HD) (30 fps)
Video calling, Video sharing
1920x1080 (Full HD)
Front
16 MP (Flash, HDR) 8 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.2 5.0
WLAN
802.11 b,g,n
Wi-Fi Direct, Hotspot
802.11 b,g,n
Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0 Type-C, USB 2.0
Location
GPS, A-GPS, Glonass, BeiDou GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Hall (for flip covers) Accelerometer, Gyroscope, Compass
Other
ANT+, VoIP, Tethering, Computer sync, OTA sync NFC, Infrared

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
Dolby Atmos, Album art cover, Background playback
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+) Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 2(1900), 1(2100) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSPA, HSUPA LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes Yes
SIM type
Nano SIM Nano SIM
HD Voice
Yes
VoLTE
Yes

Buyers information

In The Box
Charger, microUSB cable, Documentation, Quick Start Guide, Headphones and SIM removal tool. 10W Charger, TPU case, USB Type-C cable, SIM eject tool, Warranty card, User guide

Availability

Officially announced
Jun 27, 2018

Alternative variants

with 64GB storage
RAM 4GB
Internal storage 64GB
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