Samsung Galaxy J7 Perx vs Xiaomi Redmi Note 9 Pro 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.

	8.5
Samsung Galaxy J7 Perx	Xiaomi Redmi Note 9 Pro
Released · Apr 10, 2017	Released · May 05, 2020
5.5-inch	6.7-inch
Single camera	Quad camera
2GB · 16GB	6GB · 64GB
3300 mAh	5020 mAh

Design

Dimensions
5.9 x 3 x 0.3 inches 149.9 x 76.2 x 7.6 mm	6.53 x 3.02 x 0.35 inches 165.8 x 76.7 x 8.8 mm
Weight
5.90 oz (167.3 g)	7.37 oz (209.0 g)
Materials
	Back: Glass (Corning Gorilla Glass 5) Frame: Plastic
Biometrics
	Fingerprint (touch)
Features
Touch sensitive control keys
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black	Interstellar gray, Tropical green, Glacier white

Display

Size
5.5-inch	6.7-inch
Resolution
1280x720px, 267 PPI	2400x1080px, 20:9 ratio, 395 PPI
Technology
TFT	IPS LCD
Screen-to-body
73.03 %	84.42 %
Colors
16 777 216
Features
Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 625 8953 (14 nm)	Qualcomm Snapdragon 720G SM7125 (8 nm)
Processor
Octa-core 2200 MHz ARM Cortex-A53	Octa-core 2300 MHz Kryo 465
GPU
Adreno 506	Adreno 618
RAM
2GB (LPDDR3)	6GB (LPDDR4)
Internal storage
16GB	64GB (UFS 2.1)
Storage expansion
microSDXC up to 128 GB	microSDXC up to 512 GB
OS
Android (7.0 Nougat)	Android (10), Xiaomi MI UI

Battery

Capacity
3300 mAh	5020 mAh
Type
Li - Ion	Li - Polymer
Charging
	Fast charging
Charge speed
	Wired: 30.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

Untested

Video

12h 17min

Gaming

10h 56min

Camera

Rear
Single camera	Quad camera
Main camera
8 MP (Autofocus, CMOS image sensor)	64 MP (PDAF) Aperture size: F1.9 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm
Second camera
	8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
	5 MP (Macro, Autofocus) Aperture size: F2.4 Sensor size: 1/5" Pixel size: 1.12 μm
Fourth camera
	2 MP (Depth information) Aperture size: F2.4 Sensor size: 1/5" Pixel size: 1.75 μm
Flash
LED	Dual LED
Video recording
1920x1080 (Full HD) (30 fps) Video calling, Video sharing	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps)
Front
5 MP, Video capture: 1920x1080 (Full HD)	16 MP (HDR, Slow-motion videos), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
802.11 a,b,g,n,ac,dual-band Hotspot, Wi-Fi Direct	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0	Type-C, USB 2.0
Location
GPS, A-GPS, Glonass	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	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
Album art cover, Background playback
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
	Noise cancellation

Cellular

4G (FDD)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 25(1900+), 26(850+)	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 41(2600+)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE, HSPA, UMTS	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
	Yes
SIM type
	Nano SIM
HD Voice
Yes	Yes
VoLTE
	Yes

Phone Features

Notifications
Haptic feedback
Other features
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval
Date approved: Aug 01, 2017 FCC ID value: A3LSMJ727P
Measured SAR
Head: 0.65 W/kg Body: 0.17 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 0.59 W/kg Phablet: 3.99 W/kg

Buyers information

In The Box
	33W Power adapter, Simple protective cover, USB Type-C cable, SIM eject tool, User guide, Warranty card

Availability

Officially announced
Apr 10, 2017	Apr 30, 2020

Alternative variants

with 128GB storage


Internal storage	128GB

Links

Full specifications
Samsung Galaxy J7 Perx Specs	Xiaomi Redmi Note 9 Pro Specs
PhoneArena Review
	Xiaomi Redmi Note 9 Pro Review
User Reviews
	Xiaomi Redmi Note 9 Pro User Reviews