Samsung Galaxy S21 Ultra vs Xiaomi Mi 11

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

Comparison mode:

Specs Size

Display

Size:

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)

Features:

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

RAM:

12GB LPDDR5

8GB LPDDR5

Internal storage:

128GB (UFS 3.1), not expandable

Device type:

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:

F1.8; 24 mm; 1/1.33"; 0.8 μm

F1.9; 1/1.33"; 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

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

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

LTE (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)

LTE (TDD):

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

Bands 38(2600), 40(2300), 41(2600+), 42(3500)

UMTS:

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

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

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

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

Latest News

Woot has refurb Watch Series 7 on sale to help you have a head start on 2023 resolutions

The Moto G 5G (2022) is the latest phone to go down to $0 at T-Mobile with ANY trade-in

Xiaomi 13 and 13 Pro officially shown off prior to launch event

Galaxy Z Flip 5 might come with refreshed hinge design, larger cover display and battery

Amazon discounts all MagSafe Chargers: get yours while they are cheaper!

Huge Discover Samsung Winter event kicks off with last-minute Z Fold 4 and S22 Ultra Christmas deals