Xiaomi Redmi Note 4 vs Samsung Galaxy A40 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.

Xiaomi Redmi Note 4 Samsung Galaxy A40
Released · Jan 23, 2017
Released · Apr 10, 2019
5.5-inch · 1920x1080px
5.9-inch · 2340x1080px
Single camera
Dual camera
4GB · 64GB
4GB · 64GB
4100 mAh
3100 mAh

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
FCC OKs Cingular\'s purchase of AT&T Wireless