Xiaomi Mix 4 vs vivo iQOO 9

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900
3G network

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

HSDPA 850, 900, 1700(AWS), 1900, 2100
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, 12, 17, 18, 19, 20, 25, 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

Aluminium alloy, glass
SIM

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

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

162.6 mm

159.1 mm
Width

75.4 mm

75.1 mm
Thickness

8 mm

8.6/8.7 mm
Weight

225 g

200/202 g
Splash resistant

IP53

-
Dust proof

IP53

-
Colors

Black, Gray, White

Alpha, Legend, Phoenix

Display
Display type

AMOLED

AMOLED
Physical size

6.67 inches

6.56 inches
Resolution

1080 x 2400 pixels

1080 x 2376 pixels
Pixel density

395 ppi

398 ppi
Display colors

1073741824

1073741824
Protection

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

Scratch resistant
Display features

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

120Hz, HDR10+, 1200 nits (peak)

Main camera
Camera type

Triple

Triple
Main camera

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

(wide) , 48 MP, f/1.8 , 25 mm, 1/2.0" , 0.8 µm
(periscope telephoto) , 8 MP, f/4.1 , 120 mm, 5x optical zoom

(telephoto) , 13 MP, f/2.5 , 50 mm, 2x optical zoom
123˚ , (ultrawide) , 13 MP, f/2.2 , 12 mm, 1/3.06" , 1.12 µm

120˚ , (ultrawide) , 13 MP, f/2.2 , 16 mm
Primary camera resolution

-

8160 x 6144 pixels
Primary camera video

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

4K@30fps, 1080p@30fps
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, macro-mode, phase detection autofocus, RAW

Selfie camera
Selfie camera type

Single

Single
Selfie camera

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

(wide) , 16 MP, 1/3.1" , 1.0 µm, f/2.5
Selfie camera resolution

5184 x 3880 pixels

-
Selfie camera features

Face unlock, HDR

Face unlock, HDR
Selfie camera video

1080p@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

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

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

-
Infrared

Yes

-
NFC

Yes

Yes
GPS

Yes, with dual-band A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
BDS

Yes

-
QZSS

Yes

-
NavIC

Yes

-

Features
Sensors

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

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4500 mAh

4350 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Quick Charge 4 (100% in 15 min)

Yes, 120W(50% in 6 min, 100% in 18 min)
Wireless reverse charging

-

Yes, 10W
Fast wireless charging

Yes (100% in 28 min)

-
Talk time 4G

-

14.1 h