Samsung Galaxy A9 (2018) vs Xiaomi Redmi Note 7 Specs Comparison

Availability

Officially announced
Oct 11, 2018	Jan 10, 2019

Design

Dimensions
6.40 x 3.03 x 0.31 inches 162.5 x 77 x 7.8 mm	6.27 x 2.96 x 0.32 inches 159.21 x 75.21 x 8.1 mm
Weight
6.46 oz / 183.0 g	6.56 oz / 186.0 g
Materials
Back: Glass Frame: Metal	Back: Glass (Corning Gorilla Glass 5)
Biometrics
2D Face unlock, Fingerprint (touch)	2D Face unlock, Fingerprint (touch)
Keys
Left: Other; Right: Volume control, Lock/Unlock key; Back: Other	Right: Volume control, Lock/Unlock key
Colors
Caviar black, Lemonade blue, Bubblegum pink	Black, Blue, Red

Display

Size
6.3-inch, 80.51% screen-to-body	6.3-inch, 81.37% screen-to-body
Type
Super AMOLED	IPS LCD
Resolution
2220x1080px, 18.5:9 ratio, 392 PPI	2340x1080px, 19.5:9 ratio, 409 PPI
Protection
	Corning Gorilla Glass 5

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
1 (Excellent)	1 (Excellent)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 660 SDM660 (14 nm)	Snapdragon 660 SDM660 (14 nm)
Processor
Octa-core 2200 MHz Kryo 260	Octa-core 2200 MHz Kryo 260
GPU
Adreno 512	Adreno 512
Memory
6GB (LPDDR4)/128GB	4GB (LPDDR4)/128GB 3GB/32GB 4GB/64GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 256 GB
OS
Android (10, 9.0 Pie, 8.0 Oreo)	Android (9.0 Pie)

Battery

Type
3800 mAh, Li - Polymer	4000 mAh
Charging
Samsung Adaptive Fast Charging	Qualcomm Quick Charge 4

Camera

Rear
Quad camera	Dual camera
Main camera
24 MP (PDAF) Aperture size: F1.7 Focal length: 27 mm Sensor size: 1/2.8" Pixel size: 0.9 μm	48 MP (PDAF, CMOS image sensor, BSI sensor) Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.4 Focal Length: 12 mm Sensor size: 1/4" Pixel size: 1.12 μm	5 MP (Depth information) Aperture size: F2.4
Third camera
8 MP (Telephoto, Autofocus) Optical zoom: 2.0x Aperture size: F2.4 Focal Length: 52 mm Sensor size: 1/3.9" Pixel size: 1 μm
Fourth camera
5 MP (Depth information) Aperture size: F2.2 Focal Length: 24 mm Sensor size: 1/5" Pixel size: 1.12 μm
Flash
LED	Dual LED
Video recording
4K UHD (30 fps), 1080p (30 fps) Hyperlapse, Continuous autofocus, EIS, Video calling, Video sharing	1080p (120 fps), 720p (120 fps) Continuous autofocus, EIS, Video calling, Video sharing
Front
24 MP Video capture: 1080p	13 MP (HDR) Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 2.0	Type-C
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou
Other
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync	Infrared, VoIP, Tethering, Computer sync, OTA sync

Multimedia

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

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66	2, 3, 4, 5, 7, 8, 20
4G (TDD) Bands
38, 40, 41	38, 40
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 8
Data Speed
LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA, UMTS	LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
	Yes
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
Date approved: Oct 18, 2018 FCC ID value: A3LSMA920F
Measured SAR
Head: 0.24 W/kg Body: 0.84 W/kg Simultaneous Transmission: 1.58 W/kg Wireless Router: 1.40 W/kg Phablet: 3.95 W/kg

Alternative variants

Dual SIM

Dual SIM	Yes

with 64 GB storage

Memory	64GB

with 32 GB storage

Memory	3GB/32GB

Discover more

Full Specs Samsung Galaxy A9 (2018) Specs PA Review Samsung Galaxy A9 (2018) Review

Full Specs Xiaomi Redmi Note 7 Specs PA Review Xiaomi Redmi Note 7 Review