Samsung Galaxy Note9 vs Xiaomi Redmi Note 9 Specs Comparison

Design

Dimensions
6.37 x 3.01 x 0.35 inches 161.9 x 76.4 x 8.8 mm	6.39 x 3.04 x 0.35 inches 162.3 x 77.2 x 8.9 mm
Weight
7.09 oz (201.0 g)	7.02 oz (199.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum	Frame: Plastic
Resistance
Water, Dust; IP68	Splash
Biometrics
Iris scanner, 2D Face unlock, Fingerprint (touch)	Fingerprint (touch)
Features
Notification light, Stylus
Keys
Left: Volume control, Lock/Unlock key; Right: Other	Right: Volume control, Lock/Unlock key
Colors
Midnight black, Ocean blue, Cloud silver, Lavender purple	Forest green, Polar white, Midnight gray

Display

Size
6.4-inch	6.5-inch
Resolution
2960x1440px, 18.5:9 ratio, 516 PPI	2340x1080px, 19.5:9 ratio, 395 PPI
Technology
Super AMOLED	IPS LCD
Screen-to-body
83.51 %	83.52 %
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 845 SDM845 (10 nm)	MediaTek Helio G85 (12 nm)
Processor
Octa-core 2800 MHz Kryo 385	Octa-core 2000 MHz Arm Cortex-A75 and ArmCortex-A55
GPU
Adreno 630	Mali G52 MC2
RAM
6GB (LPDDR4)	3GB (LPDDR4)
Internal storage
128GB	64GB (eMMC 5.1)
Storage expansion
microSDXC up to 512 GB	microSDXC up to 128 GB
OS
Android (10, 9.0 Pie, 8.1 Oreo), Samsung One UI	Android (10), Xiaomi MI UI

Battery

Capacity
4000 mAh	5020 mAh
Type
Li - Ion	Li - Polymer
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging	Fast charging, Reverse wired charging
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

10h 43min

Gaming

7h 34min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Dual camera	Quad camera
Main camera
12 MP (OIS, PDAF) Aperture size: F1.5/F2.4 Focal length: 26 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	48 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
12 MP (Telephoto, OIS, Autofocus) Optical zoom: 2.0x Aperture size: F2.4 Focal Length: 52 mm Sensor size: 1/3.4" Pixel size: 1 μm	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.2 μm
Third camera
	2 MP (Macro, Autofocus) Aperture size: F2.4 Pixel size: 1.75 μm
Fourth camera
	2 MP Aperture size: F2.4 Sensor size: 1/5" Pixel size: 1.7 μm
Flash
LED	LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, EIS	1920x1080 (Full HD) (30 fps), 1280x720 (HD) (120 fps)
Front
8 MP (Wide Angle, Autofocus), Video capture: 2560x1440 (QHD) (30 fps)	13 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.1	Type-C, USB 2.0
Hearing aid compatible
M4/T3
Location
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass
Other
NFC, ANT+	NFC, Infrared

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Loudspeaker
Features
32-Bit DAC, Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)	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), 39(1900+), 40(2300), 41(2600+), 46	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-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
	Yes
SIM type
Nano SIM	Nano SIM
HD Voice
Yes
VoLTE
Yes	Yes

Regulatory Approval

FCC approval
Date approved: Jul 03, 2018 FCC ID value: A3LSMN960U
Measured SAR
Head: 0.27 W/kg Body: 0.76 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.35 W/kg Phablet: 3.90 W/kg

Buyers information

MSRP
$ 1000
In The Box
S Pen, USB Cable, Earphones, SIM removal tool, USB power adaptor, USB connector, Pen, nibs, Tweezer, Clear cover case, Quick start guide, USB connector leaflet.	22.5W Charger, Simple protective cover, USB Type-C cable, SIM eject tool, User guide, Warranty card

Availability

Officially announced
Aug 09, 2018	Apr 30, 2020

Alternative variants

With 512 GB storage

RAM	8GB
Internal storage	512GB
MSRP	$ 1250

with 128GB storage

RAM	4GB
Internal storage	128GB

International version

System chip	Samsung Exynos 9 9810 (10 nm)
Processor	Octa-core 2900 MHz Exynos M3 and ARM Cortex-A55
GPU	Mali-G72 MP18
4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
4G (TDD)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Dual SIM	Yes
Location	GPS, A-GPS, Glonass, Galileo, BeiDou
FCC approval	Date approved: Jul 02, 2018 FCC ID value: A3LSMN960F
Measured SAR	Head: 0.23 W/kg Body: 0.85 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.40 W/kg Phablet: 3.98 W/kg

for Verizon

4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 13(700 c), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
3G	Bands 5(850), 8(900), 2(1900), 1(2100)

for AT&T

4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3)

for T-Mobile

4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 27(800 SMR), 66(AWS-3), 71(600)
3G	Bands 5(850), 4(1700/2100), 2(1900), 1(2100)

for Sprint

4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)

for U.S. Cellular

4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 8(900), 12(700 a), 13(700 c), 18(800 Lower), 19(800 Upper), 25(1900+), 66(AWS-3), 71(600)
4G (TDD)	Bands 38(2600), 39(1900+), 40(2300), 46
3G	Bands 5(850), 8(900), 2(1900), 1(2100)

Links

Full specifications
Samsung Galaxy Note9 Specs	Xiaomi Redmi Note 9 Specs
PhoneArena Review
Samsung Galaxy Note9 Review	Xiaomi Redmi Note 9 Review
User Reviews
Samsung Galaxy Note9 User Reviews	Xiaomi Redmi Note 9 User Reviews