Xiaomi Mix 4 vs vivo X90

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

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

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42

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, 41, 77, 78, 79 SA/NSA/Sub6

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

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A, 1174 Mbps download, 210 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Class 8

Yes

Design
Build

Glass front (Gorilla Glass Victus), ceramic back, aluminum frame

Glass front, glass back or eco leather back
SIM

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

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

162.6 mm

164.1 mm
Width

75.4 mm

74.4 mm
Thickness

8 mm

8.5 mm
Weight

225 g

196/200 g
Waterproof

-

IP64
Splash resistant

IP53

-
Dust proof

IP53

IP64
Colors

Black, Gray, White

Black, Blue, Red

Display
Display type

AMOLED

AMOLED
Physical size

6.67 inches

6.78 inches
Resolution

1080 x 2400 pixels

1260 x 2800 pixels
Pixel density

395 ppi

453 ppi
Display colors

1073741824

1073741824
Protection

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

Scratch resistant, 3D curved glass screen
Display features

120Hz, HDR10+, Dolby Vision, 800 nits (HBM), Wide color gamut, True-tone

120Hz, HDR10+

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 108 MP, f/1.9 , 24 mm, 1/1.33" , 0.8 µm

(wide) , 50 MP, f/1.8 , 1/1.49" , 1.0 µm, 10x digital zoom
(periscope telephoto) , 8 MP, f/4.1 , 120 mm, 5x optical zoom

(telephoto) , 12 MP, f/2.0 , 50 mm, 2x optical zoom , 1/2.93" , 1.22 µm
123˚ , (ultrawide) , 13 MP, f/2.2 , 12 mm, 1/3.06" , 1.12 µm

116˚ , (ultrawide) , 12 MP, f/2.0 , 16 mm, 1/2.93" , 1.22 µm
Primary camera resolution

-

8190 x 6120 pixels
Primary camera video

8K@24fps, 4K@30/60fps, 1080p@30/60/120/480fps; gyro-EIS, HDR10+

4K@30/60fps, 1080p@30/60fps, gyro-EIS
Primary camera optics

-

Zeiss optics
Primary camera flash

dual-LED flash

dual-LED dual-tone flash
Camera features

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, phase detection autofocus, laser autofocus, AI 2.0, night mode 2.0, stagger HDR

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, phase detection autofocus, laser autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 20 MP, 27 mm, 1/3.4" , 0.8 µm

(wide) , 32 MP, 24 mm, 1/2.8" , 0.8 µm, f/2.5
Selfie camera resolution

5184 x 3880 pixels

6528 x 4896 pixels
Selfie camera features

Face unlock, HDR

Face unlock
Selfie camera video

1080p@30fps

4K@30fps, 1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax

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

Yes

-
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.2

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

aptX HD
Infrared

Yes

Yes
NFC

Yes

Yes
GPS

Yes, with dual-band A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
BDS

Yes

Yes
QZSS

Yes

Yes
NavIC

Yes

Yes

Features
Sensors

Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity

Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4500 mAh

4810 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Quick Charge 4 (100% in 15 min)

Yes, 120W (50% in 8 min)
Reverse charging

-

Yes
Fast wireless charging

Yes (100% in 28 min)

-
Talk time 4G

-

17.5 h