Samsung Galaxy S21 Ultra vs Xiaomi Mi 11 Ultra Specs Comparison

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

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)

1700 cd/m2 (nit)

Features:

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

Additional display:

1.1 inches, 294 pixels 124 x, AMOLED, Touch screen: Yes, Capacitive

Hardware

System chip:

Qualcomm Snapdragon 888 SM8350 (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

256GB (UFS 3.1), not expandable

Device type:

Smartphone

OS:

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

Android (11), MIUI 12 UI

Battery

Capacity:

5000 mAh

Type:

Li - Polymer, Not user replaceable

Charging:

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

Fast charging, Qi wireless charging, Reverse wireless charging

Max charge speed:

Wired: 25.0W; Wireless: 15.0W

Wired: 67.0W; Wireless: 67.0W

Camera

Rear:

Quad camera

Triple camera

Main camera:

108 MP (OIS, Laser and PDAF)

50 MP (OIS, Laser autofocus)

Specifications:

F1.8; 24 mm; 1/1.33"; 0.8 μm

F1.9; 24 mm; 1/1.12″; 1.4 μm

Second camera:

10 MP (Telephoto, OIS, PDAF)

48 MP (Telephoto, Autofocus)

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: 5.0x; Aperture size: F4.1; Focal Length: 120 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Third camera:

12 MP (Ultra-wide, PDAF)

48 MP (Ultra-wide, PDAF)

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: 1/2"; Pixel size: 0.8 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:

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

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

Features:

OIS, HDR, Hyperlapse, Video light, EIS

Front:

40 MP (PDAF, HDR)

20 MP

Video capture:

3840x2160 (4K UHD) (60 fps)

1920x1080 (Full HD)

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 0.33 inches (164.3 x 74.6 x 8.38 mm)

Weight:

8.04 oz (229.0 g)

8.25 oz (234.0 g)

Materials:

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

Back: Ceramic

Resistance:

Water, Dust; IP68

Biometrics:

2D Face unlock, Ultrasonic in-screen fingerprint

2D Face unlock, In-screen fingerprint

Keys:

Right: Volume control, Lock/Unlock key

Colors:

Phantom black, Silver

Ceramic White, Ceramic Black

Cellular

5G:

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

n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n77, n78, n79, SA, NSA

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)

Data Speed:

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

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 b, g, n, ac, ax (Wi-Fi 6); Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 3.2

Type-C (reversible)

Features:

Charging, Headphones port, OTG, Video out

Charging, Mass storage device

Location:

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

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

Mar 31, 2021

FCC ID value:

A3LSMG998U

2AFZZK1G

Measured SAR:

Head:

0.77 W/kg

0.84 W/kg

Body:

1.02 W/kg

0.46 W/kg

Simultaneous Transmission:

1.59 W/kg

Wireless Router:

1.16 W/kg

0.74 W/kg

Phablet:

3.15 W/kg

Buyers information

Price:

$ 1200

In The Box:

C to C Data Cable, Ejection Pin

Availability

Officially announced:

Jan 14, 2021

Mar 29, 2021

Latest News

The exceptionally charming Pixel Fold is deeply discounted right now

This awesome Marshall Bluetooth speaker is currently dirt cheap on Amazon and sounds incredible

How to take good photos with a cheap phone

U.K. delivery firms accused of ripping off iPhone 15 Pro Max buyers

Fall detection on the Apple Watch helps hiker survive a serious injury

There is a big flaw that Apple Maps must fix in order to compete with Google Maps