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Xiaomi Redmi Note 3 vs Samsung Galaxy S21 Ultra vs Samsung Galaxy S10+

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

Comparison mode:

Display

Size:

5.5 inches
6.8 inches
6.4 inches

Resolution:

1920 x 1080 pixels, 401 PPI
3200 x 1440 pixels, 20:9 ratio, 516 PPI
3040 x 1440 pixels, 19:9 ratio, 522 PPI

Technology:

IPS LCD
Dynamic AMOLED
Dynamic AMOLED

Refresh rate:

120Hz (adaptable)

Screen-to-body:

73.15 %
89.33 %
88.63 %

Colors:

16 777 216

Peak brightness:

1500 cd/m2 (nit)

Touchscreen:

Capacitive, Multi-touch

Features:

Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor

Hardware

System chip:

MediaTek Helio X10 MT6795
Qualcomm Snapdragon 888
Qualcomm Snapdragon 855

Processor:

Octa-core, 2000 MHz, ARM Cortex-A53, 64-bit
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm
Octa-core, 2800 MHz, Kryo 485, 64-bit, 7 nm

GPU:

PowerVR G6200
Adreno 660
Adreno 640

RAM:

3GB LPDDR3
12GB LPDDR5
8GB LPDDR4

Internal storage:

32GB
128GB (UFS 3.1), not expandable
128GB, available to use: 109 GB

Storage expansion:

microSDHC up to 32 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (6.0 Marshmallow, 5.1 Lollipop), Xiaomi MI UI
Android (11), Samsung One UI
Android (11, 10, 9.0 Pie), Samsung One UI

Battery

Capacity:

4000 mAh
5000 mAh
4100 mAh

Type:

Not user replaceable
Li - Polymer, Not user replaceable
Li - Ion, Not user replaceable

Battery life test results:

Charging:

Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
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:

Single camera
Quad camera
Triple camera

Main camera:

13 MP (PDAF)
108 MP (OIS, Laser and PDAF)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F2.2
Aperture size: F1.8; Focal length: 24 mm; Sensor size: 1/1.33"; Pixel size: 0.8 μm
Aperture size: F1.5/F2.4; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera:

10 MP (Telephoto, OIS, PDAF)
12 MP (Telephoto, OIS, PDAF)

Specifications:

Optical zoom: 3.0x; Aperture size: F2.4; Focal Length: 70 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm
Optical zoom: 2.0x; Aperture size: F2.4; Focal Length: 52 mm; Sensor size: 1/3.6"; Pixel size: 1 μm

Third camera:

12 MP (Ultra-wide, PDAF)
16 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/3.1"; Pixel size: 1 μm

Fourth camera:

10 MP (Periscope, OIS, PDAF)

Specifications:

Optical zoom: 10.0x; Aperture size: F4.9; Focal Length: 240 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm

Video recording:

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

Features:

Time-lapse video, Video calling, Video sharing
OIS, HDR, Hyperlapse, Video light, EIS
HDR, Time-lapse video, Hyperlapse, EIS, Video calling, Video sharing

Front:

5 MP
40 MP (PDAF, HDR)
10 MP (Dual-Camera, Autofocus, HDR)

Video capture:

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

Design

Dimensions:

5.91 x 2.99 x 0.34 inches (150 x 76 x 8.65 mm)
6.50 x 2.98 x 0.35 inches (165.1 x 75.6 x 8.9 mm)
6.20 x 2.92 x 0.31 inches (157.6 x 74.1 x 7.8 mm)

Weight:

5.78 oz (164.0 g)
8.04 oz (229.0 g)
6.17 oz (175.0 g)

Materials:

Back: Metal
Back: Glass (Corning Gorilla Glass Victus); Frame: Aluminum
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum

Resistance:

Water, Dust; IP68
Water, Dust; IP68

Biometrics:

Fingerprint (touch)
2D Face unlock, Ultrasonic in-screen fingerprint
2D Face unlock, Ultrasonic in-screen fingerprint

Features:

Notification light

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Left: Volume control, Other; Right: Lock/Unlock key

Colors:

Gold, Gray, Silver
Phantom black, Silver
Prism blue, Prism black, Prism white, Prism green, Flamingo pink

Cellular

5G:

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

LTE (FDD):

Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900)
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)
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), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

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

UMTS:

Bands 5(850), 8(900), 2(1900), 1(2100)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)

Data Speed:

LTE, HSPA, HSUPA
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A Pro Cat 20 (2000/150 Mbit/s), LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Shared with microSD

SIM type:

Nano SIM, Micro SIM
Nano SIM
Nano SIM

HD Voice:

Yes

Multimedia

Headphones:

3.5mm jack
No 3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

Album art cover, Background playback
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
32-Bit DAC, Dolby Atmos, aptX-HD

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM, Stereo, RDS
FM

Additional microphone(s):

for Noise cancellation, Video recording
for Noise cancellation

Connectivity & Features

Bluetooth:

4.1
5.1
5.0

Wi-Fi:

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

USB:

microUSB, USB 2.0
Type-C (reversible), USB 3.2
Type-C (reversible), USB 3.1

Features:

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

Location:

GPS, A-GPS, Glonass, BeiDou
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Heart rate, Barometer

Other:

Tethering, Computer sync, OTA sync
NFC, ANT+
NFC, ANT+

Hearing aid compatible:

M3, T3
M4, T3

Phone features

Notifications:

Haptic feedback, (MP3)

Other features:

Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval:

Date approved:

Dec 22, 2020
Feb 01, 2019

FCC ID value:

A3LSMG998U
A3LSMG975U

Measured SAR:

Head:

0.77 W/kg
0.41 W/kg

Body:

1.02 W/kg
1.04 W/kg

Simultaneous Transmission:

1.59 W/kg
1.59 W/kg

Wireless Router:

1.16 W/kg
1.29 W/kg

Phablet:

3.15 W/kg
3.99 W/kg

Buyers information

Price:

$ 171
$ 1200
$ 1000

In The Box:

C to C Data Cable, Ejection Pin
Data cable, Travel adapter, Ejection pin, USB Connector (OTG), Earphones sound by AKG, Quick start guide, Protective film

Availability

Officially announced:

Nov 24, 2015
Jan 14, 2021
Feb 20, 2019
FCC OKs Cingular\'s purchase of AT&T Wireless