Xiaomi Redmi 9T vs vivo X100

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800
3G network

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

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41
5G network

-

5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A, Cat12, 603 Mbps download, 102 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 3), plastic frame, plastic back

Aluminium alloy, glass, faux leather
SIM

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

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

162.3 mm

164.1 mm
Width

77.3 mm

75.2 mm
Thickness

9.6 mm

8.5/8.8 mm
Weight

198 g

202/206 g
Waterproof

Water-repellent coating

IP68 (1.5m and 30 mins)
Dust proof

-

IP68
Colors

Blue, Gray, Green, Orange

Black, Blue, Orange

Display
Display type

IPS LCD

LTPO AMOLED
Physical size

6.53 inches

6.78 inches
Resolution

1080 x 2340 pixels

1260 x 2800 pixels
Pixel density

395 ppi

453 ppi
Display colors

16777216

1073741824
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3

Scratch resistant
Display features

450 nits (typ)

-

Main camera
Camera type

Quad

Triple
Main camera

(wide) , 48 MP, f/1.8 , 26 mm, 1/2.0" , 0.8 µm

(wide) , 50 MP, f/1.6 , 1/1.49"
(ultrawide) , 8 MP, f/2.2 , 120˚ , 1/4.0" , 1.12 µm

(periscope telephoto) , 64 MP, f/2.6 , 1/2.0" , 70 mm, 3x optical zoom
(macro) , 2 MP, f/2.4

(ultrawide) , 50 MP, f/2.0 , 119˚ , 15 mm, 1/2.76"
(depth) , 2 MP, f/2.4
Primary camera resolution

8000 x 6000 pixels

8120 x 6180 pixels
Primary camera video

1080p@30fps

4K, 1080p, gyro-EIS, Cinematic mode (1080p)
Primary camera optics

-

Zeiss optics, Zeiss T* lens coating
Primary camera flash

LED flash

LED flash
Camera features

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

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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 8 MP, f/2.1 , 27 mm, 1/4.0" , 1.12 µm

(wide) , 32 MP, f/2.0
Selfie camera resolution

3264 x 2448 pixels

6560 x 4928 pixels
Selfie camera features

Face detection, face unlock, HDR

Face unlock, face detection
Selfie camera video

1080p@30fps

1080p

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, 802.11ax, 802.11be
WLAN WiFi Hotspot

Yes

-
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

-
WiFi Tri-Band

-

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.4
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
Infrared

Yes

Yes
NFC

Yes (market dependent)

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

-

Yes
NavIC

-

Yes