Xiaomi Mi 9T vs vivo Y97

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 2100
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300)

LTE frequency band 1(2100), 3(1800), 5(850), 8(900); LTE-TDD 1900, 2300, 2500, 2600 MHz
HSDPA speed

42 Mbps

-
HSUPA speed

5.76 Mbps

-
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE

LTE, Cat6, 301 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, glass

Plastic, glass
SIM

Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM/Nano-SIM(microSD), dual stand-by)
Height

156.7 mm

155.9 mm
Width

74.3 mm

75.6 mm
Thickness

8.8 mm

8.1 mm
Weight

191 g

162 g
Colors

Black, Blue, Red

Black, Blue, Pink

Display
Display type

Super AMOLED capacitive touchscreen

S-IPS LCD capacitive touchscreen
Physical size

6.39 inches

6.3 inches
Resolution

1080 x 2340 pixels

1080 x 2280 pixels
Pixel density

403 ppi

400 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5

2.5D curved glass screen, LTPS(Low Temperature PolySilicon)
Multitouch

Yes

Yes
Display features

HDR10, Always-On display

-

Main camera
Camera type

Triple

Dual
Main camera

48 MP, f/1.8 , 26 mm, 1/2" , 0.8 µm, 2x optical zoom

16 MP, f/2.0
8 MP, f/2.2 , 53 mm, 1/4" , 1.12 µm

2 MP, f/2.4
13 MP, f/2.4 , 12 mm, 1/3" , 1.12 µm
Primary camera resolution

8000 x 6000 pixels

4608 x 3456 pixels
Primary camera video

2160p@30fps, 1080p@30/120/240fps, 1080p@960fps

1080p@30fps
Primary camera flash

dual-LED flash

LED flash
Primary camera phase detection autofocus

-

phase detection autofocus
Camera features

Autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, RAW

Autofocus, continuous shooting, digital zoom, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

microUSB 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

-
Bluetooth AptX

aptX HD

-
Infrared

Yes

-
NFC

Yes

-
GPS

Yes, with dual-band A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
Beidou

Yes

Yes

Features
Sensors

Accelerometer, barometer, compass, fingerprint, gyroscope, hall, light, proximity, step detector, step counter

Accelerometer, compass, gyroscope, light, proximity