vivo S17 vs vivo iQOO 9

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900
3G network

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

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

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

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, 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

6.56 inches
Resolution

1260 x 2800 pixels

1080 x 2376 pixels
Pixel density

453 ppi

398 ppi
Display colors

1073741824

1073741824
Protection

Scratch resistant, 3D curved glass screen

Scratch resistant
Display features

120Hz, HDR10+, 1300 nits (peak)

120Hz, HDR10+, 1200 nits (peak)

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 2.5 GHz Cortex-A78

Single-core 2.99 GHz Kryo 680
CPU(second)

Triple-core 2.4 GHz Cortex-A78

Triple-core 2.42 GHz Kryo 680
CPU(third)

Quad-core 1.9 GHz Cortex-A55

Quad-core 1.80 GHz Kryo 680
Chipset

Qualcomm SM7325-AE Snapdragon 778G+ 5G

Qualcomm SM8350 Snapdragon 888+ 5G
GPU

Adreno 642L

Adreno 660
Memory RAM

8, 12 GB

8, 12 GB
Internal storage

256, 512 GB

128, 256 GB
Memory card

No

No
Storage

UFS 2.2/3.1

UFS 3.1

Main camera
Camera type

Dual

Triple
Main camera

(wide) , 50 MP, f/1.9 , 1/1.56" , 1.0 µm

(wide) , 48 MP, f/1.8 , 1/2.0" , 0.8 µm, 25 mm
(ultrawide) , 8 MP, f/2.2

(telephoto) , 13 MP, f/2.5 , 50 mm, 2x optical zoom
120˚ , (ultrawide) , 13 MP, f/2.2 , 16 mm
Primary camera resolution

8120 x 6180 pixels

8160 x 6144 pixels
Primary camera video

4K@30fps, 1080p@30fps

4K@30fps, 1080p@30fps
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 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) , 50 MP, f/2.0 , 22 mm

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

8160 x 6112 pixels

-
Selfie camera features

-

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

Yes
Bluetooth

v5.2

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD, aptX Adaptive

-
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
BDS

Yes

-
QZSS

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

4350 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

SuperVOOC, 80W (70% in 30 min)

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

-

Yes, 10W
Talk time 4G

-

14.1 h