vivo S18 vs vivo X90 Pro+

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

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

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

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1, 3, 4, 5, 7, 8, 18, 19, 26, 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, 42, 66
5G network

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

5G band 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78, 79 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

11.52 Mbps

5.76 Mbps
EV-DO speed

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload

-
LTE speed

LTE-A

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

AMOLED

LTPO4 AMOLED
Physical size

6.78 inches

6.78 inches
Resolution

1260 x 2800 pixels

1440 x 3200 pixels
Pixel density

453 ppi

517 ppi
Display colors

1073741824

1073741824
Protection

Scratch resistant, 3D curved glass screen

Scratch resistant, 3D curved glass screen
Display features

120Hz, 2800 nits (peak)

120Hz, Dolby Vision, HDR10+, 1800 nits (peak)

Main camera
Camera type

Dual

Quad
Main camera

(wide) , 50 MP, f/1.9 , 1/1.55" , 1.0 µm

(wide) , 50.3 MP, f/1.8 , 1.6 µm, 23 mm, 100x digital zoom
(ultrawide) , 8 MP, f/2.2

(periscope telephoto) , 64 MP, f/3.5 , 90 mm, 1/2.0" , 0.7 µm, 3.5x optical zoom
(telephoto) , 50 MP, f/1.6 , 1/2.4" , 0.7 µm, 2x optical zoom
(telephoto) , 48 MP, f/2.2 , 14 mm, 1/2.0" , 0.8 µm
Primary camera resolution

8120 x 6180 pixels

8190 x 6120 pixels
Primary camera video

4K@30fps, 1080p@30fps

8K@30fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS, 14-bit RAW video
Primary camera optics

-

Zeiss optics
Primary camera flash

Ring-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, macro-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, phase detection autofocus, laser autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

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

(wide) , 32 MP, f/2.5 , 24 mm, 1/2.8" , 0.8 µm
Selfie camera resolution

8192 x 6144 pixels

6528 x 4896 pixels
Selfie camera features

Face unlock, HDR, face detection, autofocus

Face unlock
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, 802.11ax

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
WLAN WiFi Hotspot

Yes

-
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 3.2
USB On-The-Go

Yes

Yes
Bluetooth

v5.4

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD, aptX Adaptive, aptX Lossless

aptX HD
Infrared

-

Yes
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, color spectrum, compass, fingerprint, gyroscope, proximity