Samsung Galaxy S21+ vs Xiaomi Mi 11i Specs Comparison

Design

Dimensions
6.35 x 2.98 x 0.31 inches 161.5 x 75.6 x 7.8 mm	6.44 x 3.01 x 0.31 inches 163.7 x 76.4 x 7.8 mm
Weight
7.13 oz (202.0 g)	6.91 oz (196.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum	Back: Glass (Corning Gorilla Glass 5)
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint	2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Phantom silver, Black, Violet	Cosmic Black, Frosty White, Celestial Silver

Display

Size
6.7-inch	6.7-inch
Resolution
2400x1080px, 20:9 ratio, 393 PPI	2400x1080px, 20:9 ratio, 395 PPI
Technology
Dynamic AMOLED	AMOLED
Refresh rate
120Hz (adaptive)	120Hz
Screen-to-body
88.63 %	85.89 %
Peak brightness
1300 cd/m2 (nit)	1300 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 888 (5 nm)	Qualcomm Snapdragon 888 SM8350 (5 nm)
Processor
Octa-core 1x2.84GHz Kryo 680 3x2.42GHz Kryo 680 4x1.80GHz Kryo 680	Octa-core Kryo 680
GPU
Adreno 660	Adreno 660
Memory
8GB (LPDDR5)/128GB (UFS 3.0)	8GB (LPDDR5)/128GB (UFS 3.1)
Storage expansion
not expandable
OS
Android (13, 12, 11)	Android (11)

Battery

Type
4800 mAh, Li - Polymer	4520 mAh
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging Qi and Powermat wireless charging, Reverse wireless charging	Fast charging
Charge speed
Wired: 25.0W Wireless: 15.0W	Wired: 33.0W

PhoneArena Battery Tests

Battery Life Estimate

5h 26min

Browsing

10h 50min

Video

8h 27min

Gaming

8h 36min

Battery Life Estimate

5h 44min

Browsing

10h 38min

Video

9h 23min

Gaming

9h 14min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Triple camera
Main camera
12 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.76" Pixel size: 1.8 μm	108 MP (Autofocus) Aperture size: F1.8 Sensor size: 1/1.52” Pixel size: 0.7 μm
Second camera
12 MP (Ultra-wide, PDAF) Aperture size: F1.8 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	8 MP (Ultra-wide) Aperture size: F2.2
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	5 MP (Telephoto, Macro) Aperture size: F2.4
Flash
LED	LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) OIS, HDR, Hyperlapse, Video light, EIS	8K UHD (30 fps), 4K UHD (60 fps), 1080p (60 fps), 720p (30 fps) HDR, Time-lapse video
Front
10 MP (PDAF, HDR) Video capture: 4K UHD (60 fps)	20 MP (HDR)

Connectivity & Features

Bluetooth
5.0	5.2
WLAN
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(Wi-Fi 6) MIMO, Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.2	Type-C
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Altimeter, Compass, Barometer
Other
NFC, ANT+	NFC, Infrared

Multimedia

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

Cellular

5G
Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave	Bands n1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78
4G (FDD)
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)	Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66(AWS-3)
4G (TDD)
Bands 38, 39, 40, 41, 46, 48	Bands 38, 40, 41
3G
Bands 1, 2, 4, 5, 8	Bands 1, 2, 4, 5, 6
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS	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	Date approved: Mar 30, 2021 FCC ID value: 2AFZZK11G
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	Head: 0.95 W/kg Body: 0.74 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 0.93 W/kg

Buyers information

MSRP
$ 1000	€ 649
In The Box
C to C Data Cable, Ejection Pin	33W Power Adapter, USB Type-C Cable, Type-C to 3.5 mm Headphone Adapter, SIM Eject Tool, Protective Case, User Guide, Warranty Card

Availability

Officially announced
Jan 14, 2021	Mar 29, 2021

Alternative variants

with 256GB storage

Memory	256GB
MSRP	$ 1050

with 256GB storage

Memory	256GB
MSRP	€ 699

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
Samsung Galaxy S21+ Specs	Xiaomi Mi 11i Specs
PhoneArena Review
Samsung Galaxy S21+ Review	Xiaomi Mi 11i Review
User Reviews
Samsung Galaxy S21+ User Reviews