Samsung Galaxy S21 Ultra vs Xiaomi Mi 11 Specs Comparison

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

Display

Size:

6.8 inches
6.8 inches

Resolution:

3200 x 1440 pixels, 20:9 ratio, 516 PPI
3200 x 1440 pixels, 20:9 ratio, 515 PPI

Technology:

Dynamic AMOLED
AMOLED

Refresh rate:

120Hz (adaptable)
120Hz

Screen-to-body:

89.33 %
91.24 %

Peak brightness:

1500 cd/m2 (nit)
1500 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 Victus), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 888 SM8350 (5 nm)
Qualcomm Snapdragon 888 (5 nm)

Processor:

Octa-core, 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680, 64-bit
Octa-core, 2840 MHz, Kryo 680, 64-bit

GPU:

Adreno 660
Adreno 660

RAM:

12GB LPDDR5
8GB LPDDR5

Internal storage:

128GB (UFS 3.1), not expandable
128GB (UFS 3.1), not expandable

Device type:

Smartphone
Smartphone

OS:

Android (13, 12, 11), Samsung One UI
Android (11), MIUI 12.5 UI

Battery

Capacity:

5000 mAh
4600 mAh

Type:

Li - Polymer, Not user replaceable
Not user replaceable

Charging:

Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Qualcomm Quick Charge 5, Qi wireless charging, Reverse wireless charging

Max charge speed:

Wired: 25.0W; Wireless: 15.0W
Wired: 55.0W; Wireless: 50.0W

Camera

Rear:

Quad camera
Triple camera

Main camera:

108 MP (OIS, Laser and PDAF)
108 MP (OIS, Autofocus)

Specifications:

Aperture size: F1.8; Focal length: 24 mm; Sensor size: 1/1.33"; Pixel size: 0.8 μm
Aperture size: F1.9; Sensor size: 1/1.33"; Pixel size: 0.8 μm

Second camera:

10 MP (Telephoto, OIS, PDAF)
13 MP (Ultra-wide)

Specifications:

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

Third camera:

12 MP (Ultra-wide, PDAF)
5 MP (Telephoto, Macro)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F2.4

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

Flash:

LED
LED

Video recording:

7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (240 fps)

Features:

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

Front:

40 MP (PDAF, HDR)
20 MP (Autofocus)

Video capture:

3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

6.50 x 2.98 x 0.35 inches (165.1 x 75.6 x 8.9 mm)
6.47 x 2.94 x 0.32 inches (164.3 x 74.6 x 8.06 mm)

Weight:

8.04 oz (229.0 g)
6.91 oz (196.0 g)

Materials:

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

Resistance:

Water, Dust; IP68

Biometrics:

2D Face unlock, Ultrasonic in-screen fingerprint
In-screen fingerprint

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Phantom black, Silver
Midnight gray, Horizon blue

Cellular

5G:

n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
n1, n3, n5, n8, n20, n28, n38, n41, n77, n78, n79

4G (FDD):

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), 17(700 b), 20(800 DD), 28(700 APT), 32(1500 L-band), 66(AWS-3)

4G (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
Bands 38(2600), 40(2300), 41(2600+), 42(3500)

3G:

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-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM

Multimedia

Headphones:

No 3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Loudspeaker, Multiple speakers

Features:

32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation, Video recording
for Noise cancellation

Connectivity & Features

Bluetooth:

5.1
5.2

Wi-Fi:

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

Features:

Charging, Headphones port, OTG, Video out
Charging, Headphones port

Location:

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, SBAS, NavIC, GNSS, Dual-band positioning, Wi-Fi positioning

Sensors:

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

Other:

NFC, ANT+
NFC, Infrared

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Dec 22, 2020
Jan 12, 2021

FCC ID value:

A3LSMG998U
2AFZZK2G

Measured SAR:

Head:

0.77 W/kg
0.95 W/kg

Body:

1.02 W/kg
0.65 W/kg

Simultaneous Transmission:

1.59 W/kg
1.59 W/kg

Wireless Router:

1.16 W/kg
0.75 W/kg

Phablet:

3.15 W/kg

Buyers information

Price:

$ 1200
€ 749

In The Box:

C to C Data Cable, Ejection Pin
55W Power Adapter, USB Type-C Cable, Type-C to 3.5 mm Headphone Adapter, SIM Eject Tool, Soft Case, User Guide, Warranty Card

Availability

Officially announced:

Jan 14, 2021
Feb 08, 2021
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