Xiaomi Mi 9T Pro vs Samsung Galaxy S21 vs Samsung Galaxy S8

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

Display

Size:

6.4 inches
6.2 inches
5.8 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 403 PPI
2400 x 1080 pixels, 20:9 ratio, 424 PPI
2960 x 1440 pixels, 18.5:9 ratio, 570 PPI

Technology:

AMOLED
Dynamic AMOLED
Super AMOLED

Screen-to-body:

85.94 %
86.06 %
84.26 %

Peak brightness:

430 cd/m2 (nit)
1300 cd/m2 (nit)

Features:

HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), ShatterShield, Ambient light sensor, Proximity sensor
120Hz refresh rate (adaptive), 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 855 SM8150
Qualcomm Snapdragon 888
Qualcomm Snapdragon 835 MSM8998

Processor:

Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm
Octa-core, 2350 MHz, Kryo 280, 64-bit, 10 nm

GPU:

Adreno 640
Adreno 660
Adreno 540

RAM:

6GB LPDDR4
8GB LPDDR5
4GB LPDDR4

Internal storage:

128GB, not expandable
128GB (UFS 3.0), not expandable
64GB

Storage expansion:

microSDXC up to 256 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (9.0 Pie), Xiaomi MI UI
Android (11), Samsung One UI
Android (9.0 Pie, 8.0 Oreo, 7.0 Nougat), Samsung One UI

Battery

Capacity:

4000 mAh
4000 mAh
3000 mAh

Type:

Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable
Li - Ion, Not user replaceable

Charging:

Qualcomm Quick Charge 4+
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging

Max charge speed:

Wired: 27.0W
Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Triple camera
Triple camera
Single camera

Main camera:

48 MP (Laser and PDAF)
12 MP (OIS, PDAF)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 1.8 μm
Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera:

8 MP (Telephoto, Laser and PDAF)
64 MP (Telephoto, OIS, PDAF)

Specifications:

Optical zoom: 2.0x; Aperture size: F2.4; Focal Length: 53 mm; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.0; Focal Length: 29 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Third camera:

13 MP (Ultra-wide)
12 MP (Ultra-wide, Autofocus)

Specifications:

Aperture size: F2.4; Focal Length: 12 mm; Sensor size: 1/3"; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Video recording:

3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps), 1280x720 (HD) (960 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
3840x2160 (4K UHD) (30 fps), 2560x1440 (QHD), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)

Features:

OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS
HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing

Front:

20 MP (Pop-up, HDR)
10 MP (PDAF, HDR)
8 MP (Wide Angle, Autofocus, HDR)

Video capture:

1920x1080 (Full HD)
3840x2160 (4K UHD) (60 fps)
2560x1440 (QHD)

Design

Dimensions:

6.17 x 2.93 x 0.35 inches (156.7 x 74.3 x 8.8 mm)
5.97 x 2.80 x 0.31 inches (151.7 x 71.2 x 7.9 mm)
5.86 x 2.68 x 0.31 inches (148.9 x 68.1 x 8.0 mm)

Weight:

6.74 oz (191.0 g)
6.03 oz (171.0 g)
5.47 oz (155.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Back: Plastic; Frame: Aluminum
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum

Resistance:

Water, Dust; IP68
Water, Dust; IP68

Biometrics:

In-screen fingerprint
2D Face unlock, Ultrasonic in-screen fingerprint
Iris scanner, 2D Face unlock, Fingerprint (touch)

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Left: Volume control, Other; Right: Lock/Unlock key

Colors:

Glacier blue, Carbon black, Red flame
Phantom pink, Violet, Gray, White
Midnight black, Orchid gray, Arctic silver, Coral blue, Maple gold, Rose pink, Burgundy red

Cellular

5G:

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

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
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), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3)

LTE (TDD):

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

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)
Bands 5(850), 8(900), 2(1900), 1(2100)

Data Speed:

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM

HD Voice:

Yes
Yes

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
No 3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers
Earpiece, Loudspeaker

Features:

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

Screen mirroring:

Wireless screen share
Wireless screen share
DLNA, Wireless screen share, MHL

Radio:

FM
FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation
for Noise cancellation, Video recording
for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

5.0
5.0
5.0, EDR

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
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, dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.2
Type-C (reversible), USB 3.1

Features:

Charging, OTG
Charging, Headphones port, OTG, Video out
Charging, Video out, Mass storage device

Location:

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

Sensors:

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

Other:

NFC
NFC, ANT+
NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync

Hearing aid compatible:

M3, T3
M3, T3

Regulatory Approval

FCC approval:

Date approved:

Dec 08, 2020
Apr 06, 2017

FCC ID value:

A3LSMG991U link
A3LSMG950U link

Measured SAR:

Head:

0.36 W/kg
0.49 W/kg

Body:

1.08 W/kg
0.48 W/kg

Simultaneous Transmission:

3.96 W/kg
1.53 W/kg

Wireless Router:

1.09 W/kg
0.46 W/kg

Phablet:

2.49 W/kg

Buyers information

Price:

$ 800

In The Box:

Power adapter, Simple protective cover, USB Type-C cable, SIM eject tool, User guide, Warranty card
C to C Data Cable, Ejection Pin

Availability

Officially announced:

Aug 20, 2019
Jan 14, 2021
Mar 29, 2017
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