Xiaomi Poco X4 Pro 5G vs vivo S9

Xiaomi Poco X4 Pro 5G

vivo S9

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100

HSDPA 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, 38, 40, 41

LTE frequency band 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
5G network

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78

5G band 1, 3, 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 (CA)

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic, aluminium alloy

Plastic, glass
SIM

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

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

164.2 mm

158.4 mm
Width

76.1 mm

73.9 mm
Thickness

8.1 mm

7.4 mm
Weight

205 g

173 g
Splash resistant

IP53

-
Dust proof

IP53

-
Colors

Black, Blue, Poco Yellow

Black, Blue, White

Display
Display type

AMOLED

AMOLED
Physical size

6.67 inches

6.44 inches
Resolution

1080 x 2400 pixels

1080 x 2400 pixels
Pixel density

395 ppi

409 ppi
Display colors

16777216

16777216
Protection

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

Scratch resistant, 2.5D curved glass screen
Display features

120Hz, 700 nits, 1200 nits (peak)

-

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 108 MP, f/1.9 , 26 mm, 1/1.52" , 0.7 µm

(wide) , 64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm
(ultrawide) , 8 MP, f/2.2 , 118˚

(ultrawide) , 8 MP, f/2.2 , 120˚ , 16 mm, 1/4.0" , 1.12 µm
(macro) , 2 MP, f/2.4

(depth) , 2 MP, f/2.4
Primary camera resolution

-

9280 x 6920 pixels
Primary camera video

1080p@30/60fps

4K@30fps, 1080p@30fps, gyro-EIS
Primary camera flash

LED flash

dual-LED dual-tone flash
Camera features

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

Autofocus, continuous shooting, digital 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

Selfie camera
Selfie camera type

Single

Dual
Selfie camera

(wide) , 16 MP, f/2.5 , 1/3.06" , 0.6 µm

(wide) , 44 MP, f/2.0
(ultrawide) , 8 MP, f/2.2 , 105˚
Selfie camera resolution

4608 x 3456 pixels

-
Selfie camera features

Face unlock, HDR

Face unlock, autofocus, HDR, face detection, panorama, geotagging, digital image stabilization
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

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
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
Infrared

Yes

-
NFC

Yes (market dependent)

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

5000 mAh

4000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Quick Charge 3+, 67W (70% in 22 min, 100% in 41 min)

Vivo FlashCharge(66% in 30 min)
Talk time 4G

-

17.6 h

Xiaomi Poco X4 Pro 5G comparisons