Xiaomi Redmi Note 7 vs Samsung Galaxy S21+ Specs Comparison

Design

Dimensions
6.27 x 2.96 x 0.32 inches 159.21 x 75.21 x 8.1 mm	6.35 x 2.98 x 0.31 inches 161.5 x 75.6 x 7.8 mm
Weight
6.56 oz (186.0 g)	7.13 oz (202.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5)	Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum
Resistance
	Water, Dust; IP68
Biometrics
2D Face unlock, Fingerprint (touch)	2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Blue, Red	Phantom silver, Black, Violet

Display

Size
6.3-inch	6.7-inch
Resolution
2340x1080px, 19.5:9 ratio, 409 PPI	2400x1080px, 20:9 ratio, 393 PPI
Technology
IPS LCD	Dynamic AMOLED
Refresh rate
	120Hz (adaptive)
Screen-to-body
81.37 %	88.63 %
Peak brightness
	1300 cd/m2 (nit)
Features
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 660 SDM660 (14 nm)	Qualcomm Snapdragon 888 (5 nm)
Processor
Octa-core 2200 MHz Kryo 260	Octa-core 1x2.84GHz Kryo 680 3x2.42GHz Kryo 680 4x1.80GHz Kryo 680
GPU
Adreno 512	Adreno 660
Memory
4GB (LPDDR4)/128GB	8GB (LPDDR5)/128GB (UFS 3.0)
Storage expansion
microSDXC up to 256 GB	not expandable
OS
Android (9.0 Pie)	Android (13, 12, 11)

Battery

Type
4000 mAh	4800 mAh, Li - Polymer
Charging
Qualcomm Quick Charge 4	Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging Qi and Powermat wireless charging, Reverse wireless charging
Charge speed
	Wired: 25.0W Wireless: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

5h 26min

Browsing

10h 50min

Video

8h 27min

Gaming

8h 36min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Dual camera	Triple camera
Main camera
48 MP (PDAF, CMOS image sensor, BSI sensor) Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 μm	12 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.76" Pixel size: 1.8 μm
Second camera
5 MP (Depth information) Aperture size: F2.4	12 MP (Ultra-wide, PDAF) Aperture size: F1.8 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Third camera
	64 MP (Telephoto, OIS, PDAF) Aperture size: F2.0 Focal Length: 29 mm Sensor size: 1/2.55" Pixel size: 0.8 μm
Flash
Dual LED	LED
Video recording
1080p (120 fps), 720p (120 fps) Continuous autofocus, EIS, Video calling, Video sharing	8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) OIS, HDR, Hyperlapse, Video light, EIS
Front
13 MP (HDR) Video capture: 1080p	10 MP (PDAF, HDR) Video capture: 4K UHD (60 fps)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot
USB
Type-C	Type-C, USB 3.2
Hearing aid compatible
	M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
Infrared, VoIP, Tethering, Computer sync, OTA sync	NFC, ANT+

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
Album art cover, Background playback	32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM
Additional microphone(s)
Noise cancellation	Noise cancellation, Video recording

Cellular

5G
	Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD)
Bands 2, 3, 4, 5, 7, 8, 20	Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
Bands 38, 40	Bands 38, 39, 40, 41, 46, 48
3G
Bands 1, 2, 4, 5, 8	Bands 1, 2, 4, 5, 8
Data Speed
LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
Dual SIM
Yes
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
	Date approved: Dec 18, 2020 FCC ID value: A3LSMG996U
Measured SAR
	Head: 0.65 W/kg Body: 0.95 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.04 W/kg Phablet: 3.97 W/kg

Buyers information

MSRP
	$ 1000
In The Box
Adapter, USB Cable type C, Tool to remove the SIM, User manual, Housing, Warranty	C to C Data Cable, Ejection Pin

Availability

Officially announced
Jan 10, 2019	Jan 14, 2021

Alternative variants

with 64 GB storage

Memory	64GB

with 256GB storage

Memory	256GB
MSRP	$ 1050

with 32 GB storage

Memory	3GB/32GB

for Europe

System chip	Samsung Exynos 2100 (5 nm)
Processor	Octa-core 1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz Cortex-A55
GPU	Mali G78 MP14
Weight	7.05 oz (200.0 g)
5G	Bands SA, NSA, Sub-6
FCC approval	Date approved: Dec 18, 2020 FCC ID value: A3LSMG996B
Measured SAR	Head: 0.24 W/kg Body: 0.75 W/kg Simultaneous Transmission: 3.59 W/kg Wireless Router: 1.26 W/kg Phablet: 1.95 W/kg

Links

Full specifications
Xiaomi Redmi Note 7 Specs	Samsung Galaxy S21+ Specs
PhoneArena Review
Xiaomi Redmi Note 7 Review	Samsung Galaxy S21+ Review
User Reviews
	Samsung Galaxy S21+ User Reviews