vivo S17 vs vivo iQOO 9 Pro

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

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

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

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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, 32, 34, 38, 39, 40, 41, 42, 66
5G network

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

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78, 79 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

LTPO AMOLED
Physical size

6.78 inches

6.78 inches
Resolution

1260 x 2800 pixels

1440 x 3200 pixels
Pixel density

453 ppi

518 ppi
Display colors

1073741824

1073741824
Protection

Scratch resistant, 3D curved glass screen

Scratch resistant
Display features

120Hz, HDR10+, 1300 nits (peak)

120Hz, HDR10+, Dolby Vision, 1000 nits (HBM), 1500 nits (peak)

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 2.5 GHz Cortex-A78

Single-core 3.0 GHz Cortex-X2
CPU(second)

Triple-core 2.4 GHz Cortex-A78

Triple-core 2.50 GHz Cortex-A710
CPU(third)

Quad-core 1.9 GHz Cortex-A55

Quad-core 1.80 GHz Cortex-A510
Chipset

Qualcomm SM7325-AE Snapdragon 778G+ 5G

Qualcomm SM8450 Snapdragon 8 Gen1
GPU

Adreno 642L

Adreno 730
Memory RAM

8, 12 GB

8, 12 GB
Internal storage

256, 512 GB

256, 512 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) , 50 MP, f/1.8 , 1/1.57" , 1.0 µm, 30x digital zoom
(ultrawide) , 8 MP, f/2.2

(telephoto) , 16 MP, f/2.2 , 60 mm, 1/3.1" , 1.0 µm, 2.5x optical zoom
150˚ , (ultrawide) , 50 MP, f/2.3 , 15 mm
Primary camera resolution

8120 x 6180 pixels

8160 x 6144 pixels
Primary camera video

4K@30fps, 1080p@30fps

8K@30fps, 4K@30fps, 1080p@30fps, gyro-EIS
Primary camera flash

Ring-LED flash

Dual-LED lash
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

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

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
Fast wireless charging

-

Yes, 50W
Talk time 4G

-

12.6 h