Xiaomi Redmi Note 4 vs Samsung Galaxy A40 Specs Comparison

Design

Dimensions
5.94 x 2.99 x 0.33 inches 151 x 76 x 8.45 mm	5.69 x 2.72 x 0.31 inches 144.4 x 69.2 x 7.9 mm
Weight
5.82 oz (165.0 g)	4.94 oz (140.0 g)
Materials
Back: Aluminum	Back: Plastic Frame: Plastic
Biometrics
Fingerprint (touch)	2D Face unlock, Fingerprint (touch)
Features
Touch sensitive control keys, Soft keys
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Gold, Gray, Blue, White	Black, Coral, Blue, White

Display

Size
5.5-inch	5.9-inch
Resolution
1920x1080px, 401 PPI	2340x1080px, 19.5:9 ratio, 437 PPI
Technology
IPS LCD	Super AMOLED
Screen-to-body
72.78 %	85.73 %
Colors
16 777 216
Peak brightness
450 cd/m2 (nit)
Features
Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 625 8953	Exynos 7904 (14 nm)
Processor
Octa-core 2000 MHz ARM Cortex-A53	Octa-core 1800 MHz ARM Cortex-A73 and ARM Cortex-A53
GPU
Adreno 506	Mali-G71 MP2
RAM
4GB (LPDDR3)	4GB (LPDDR4)
Internal storage
64GB	64GB, available to use: 49.4 GB
Storage expansion
microSDXC up to 128 GB	microSDXC up to 512 GB
OS
Android (7.0 Nougat, 6.0 Marshmallow)	Android (11, 10, 9.0 Pie), Samsung One UI

Battery

Capacity
4100 mAh	3100 mAh
Type
Li - Polymer	Li - Polymer
Charging
	Samsung Adaptive Fast Charging

Camera

Rear
Single camera	Dual camera
Main camera
13 MP (CMOS image sensor, BSI sensor, PDAF) Aperture size: F2.0 Pixel size: 1.12 μm	16 MP (PDAF) Aperture size: F1.7 Focal length: 27 mm Sensor size: 1/2.8" Pixel size: 1.12 μm
Second camera
	5 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/5" Pixel size: 1.12 μm
Flash
Dual LED	LED
Video recording
1920x1080 (Full HD) (30 fps), 1280x720 (HD) (120 fps) Video calling, Video sharing	1920x1080 (Full HD) (30 fps) Hyperlapse, Video calling, Video sharing
Front
5 MP, Video capture: 1920x1080 (Full HD)	25 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.1	5.0
WLAN
802.11 a,b,g,n,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, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Hall (for flip covers)	Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
Infrared, Tethering, Computer sync, OTA sync	NFC, ANT+, 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	Dolby Atmos, Album art cover, Background playback
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM
Additional microphone(s)
	Noise cancellation

Cellular

4G (FDD)
Bands 3(1800), 5(850)	Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
4G (TDD)
Bands 40(2300)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 5(850), 8(900)
Data Speed
LTE-A, HSPA	LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM, Micro SIM	Nano SIM
VoLTE
Yes

Phone Features

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

Regulatory Approval

FCC approval
	Date approved: Mar 08, 2019 FCC ID value: A3LSMA405FN
Measured SAR
	Head: 0.51 W/kg Body: 0.46 W/kg Simultaneous Transmission: 1.02 W/kg Wireless Router: 0.61 W/kg

Buyers information

MSRP
$ 190

Availability

Officially announced
Jan 19, 2017	Apr 10, 2019

Alternative variants

RAM	2GB
Internal storage	32GB
MSRP	$ 146

RAM	3GB
Internal storage	32GB
MSRP	$ 161

Links

Full specifications
Xiaomi Redmi Note 4 Specs	Samsung Galaxy A40 Specs
User Reviews
Xiaomi Redmi Note 4 User Reviews	Samsung Galaxy A40 User Reviews