Xiaomi Redmi Note 7 vs Samsung Galaxy S21+

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

6.3 inches
6.7 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 409 PPI
2400 x 1080 pixels, 20:9 ratio, 393 PPI

Technology:

IPS LCD
Dynamic AMOLED

Screen-to-body:

81.37 %
88.63 %

Colors:

16 777 216

Peak brightness:

1300 cd/m2 (nit)

Features:

Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
120Hz refresh rate (adaptive), HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 660 SDM660
Qualcomm Snapdragon 888

Processor:

Octa-core, 2200 MHz, Kryo 260, 64-bit, 14 nm
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm

GPU:

Adreno 512
Adreno 660

RAM:

4GB LPDDR4
8GB LPDDR5

Internal storage:

128GB
128GB (UFS 3.0), not expandable

Storage expansion:

microSDXC up to 256 GB

Device type:

Smartphone
Smartphone

OS:

Android (9.0 Pie)
Android (11), Samsung One UI

Battery

Capacity:

4000 mAh
4800 mAh

Type:

Not user replaceable
Li - Polymer, Not user replaceable

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

Max charge speed:

Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Dual camera
Triple camera

Main camera:

48 MP (PDAF, CMOS image sensor, BSI sensor)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F1.8; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 1.8 μm

Second camera:

5 MP (Depth information)
64 MP (Telephoto, OIS, PDAF)

Specifications:

Aperture size: F2.4
Aperture size: F2.0; Focal Length: 29 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Third camera:

12 MP (Ultra-wide, PDAF)

Specifications:

Aperture size: F1.8; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Video recording:

1920x1080 (Full HD) (120 fps), 1280x720 (HD) (120 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features:

Continuous autofocus, EIS, Video calling, Video sharing
OIS, HDR, Hyperlapse, Video light, EIS

Front:

13 MP (HDR)
10 MP (PDAF, HDR)

Video capture:

1920x1080 (Full HD)
3840x2160 (4K UHD) (60 fps)

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

Cellular

5G:

n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave

LTE (FDD):

Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD)
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), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 40(2300)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)

UMTS:

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 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:

Shared with microSD

SIM type:

Nano SIM
Nano SIM

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):

for Noise cancellation
for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

5.0
5.0

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; Hotspot, Wi-Fi Direct
802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Type-C (reversible)
Type-C (reversible), USB 3.2

Features:

Mass storage device, Charging
Charging, Headphones port, OTG, Video out

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+

Hearing aid compatible:

M3, T3

Phone features

Notifications:

Haptic feedback, Music ringtones, Vibration

Other features:

Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval:

Date approved:

Dec 18, 2020

FCC ID value:

A3LSMG996U link

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

Price:

$ 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
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