Samsung Galaxy S21 Ultra vs Xiaomi Mi 11 Ultra

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

Screen-to-body:

89.33 %
91.24 %

Peak brightness:

1500 cd/m2 (nit)
1700 cd/m2 (nit)

Features:

120Hz refresh rate (adaptable), HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor
120Hz refresh rate, 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
Qualcomm Snapdragon 888 SM8350

Processor:

Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm

GPU:

Adreno 660
Adreno 660

RAM:

12GB LPDDR5
8GB LPDDR5

Internal storage:

128GB (UFS 3.1), not expandable
256GB (UFS 3.1), not expandable

Device type:

Smartphone
Smartphone

OS:

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

Battery

Capacity:

5000 mAh
5000 mAh

Type:

Li - Polymer, Not user replaceable
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:

Aperture size: F1.8; Focal length: 24 mm; Sensor size: 1/1.33"; Pixel size: 0.8 μm
Aperture size: F1.9; Focal length: 24 mm; Sensor size: 1/1.12″; Pixel size: 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
Water, Dust; IP68

Biometrics:

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

Keys:

Right: Volume control, Lock/Unlock key
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

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)
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
Nano SIM

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

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 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

FCC ID value:

A3LSMG998U link

Measured SAR:

Head:

0.77 W/kg

Body:

1.02 W/kg

Simultaneous Transmission:

1.59 W/kg

Wireless Router:

1.16 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
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