vivo S17 Pro vs vivo iQOO 9 (China)

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 1x

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

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

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

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

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

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

AMOLED

AMOLED
Physical size

6.78 inches

6.78 inches
Resolution

1080 x 2800 pixels

1080 x 2400 pixels
Pixel density

452 ppi

388 ppi
Display colors

1073741824

16777216
Protection

Scratch resistant, 3D curved glass screen

Scratch resistant
Display features

120Hz, HDR10+, 1300 nits (peak)

120Hz, HDR10, 1500 nits (peak)

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 50 MP, f/1.9 , 1/1.56" , 1.0 µm, 20x digital zoom

(wide) , 50 MP, f/1.8 , 1/1.57" , 1.0 µm, 20x digital zoom
(telephoto) , 12 MP, f/2.0 , 2x optical zoom

(telephoto) , 12 MP, f/2.0 , 2x optical zoom , 47 mm
(ultrawide) , 8 MP, f/2.2

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

8120 x 6180 pixels

8160 x 6144 pixels
Primary camera video

4K@30fps, 1080p@30fps

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

Ring-LED flash

dual-LED dual-tone flash
Camera features

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

Autofocus, continuous 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, night mode

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 50 MP, f/2.0 , 22 mm

(wide) , 16 MP, f/2.5
Selfie camera resolution

8160 x 6112 pixels

-
Selfie camera features

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

HDR
Selfie camera video

1080p@30fps

1080p@30fps, gyro-EIS

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

Yes
Bluetooth

v5.3

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

aptX HD, aptX Adaptive
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes

Features
Sensors

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

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4600 mAh

4700 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

SuperVOOC, 80W (70% in 30 min)

Yes, 120W(100% in 19 min)
Wireless reverse charging

-

Yes, 10W
Talk time 4G

-

14.1 h