Asus Zenfone 8 Flip vs vivo X90s

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 800, 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, 34, 38, 39, 40, 41, 42

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

5G band 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78, 77, 78 SA/NSA

5G band 1, 3, 5, 8, 28, 41, 77, 88 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A (6CA), Cat20, 2000 Mbps download, 150 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum frame

Glass front, glass back or eco leather back
SIM

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

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

165 mm

164.1 mm
Width

77.3 mm

74.4 mm
Thickness

9.6 mm

8.5/8.9 mm
Weight

230 g

197.5/201.5/202.2/203.5 g
Waterproof

-

IP64
Dust proof

-

IP64
Colors

Black, Silver

Black, Green, Red, White

Display
Display type

Super AMOLED

AMOLED
Physical size

6.67 inches

6.78 inches
Resolution

1080 x 2400 pixels

1260 x 2800 pixels
Pixel density

395 ppi

453 ppi
Display colors

16777216

1073741824
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 6

Scratch resistant, 3D curved glass screen
Display features

Always-on display, 90Hz, HDR10+, 700 nits (HBM), 1000 nits (peak)

120Hz, HDR10+, 1300 nits (peak)

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 64 MP, f/1.8 , 78˚ , 26 mm, 1/1.73" , 0.8 µm

(wide) , 50 MP, f/1.8 , 1/1.49" , 1.0 µm, 20x digital zoom
(telephoto) , 8 MP, f/2.4 , 80 mm, 3x optical zoom , 12x digital zoom

(telephoto) , 12 MP, f/2.0 , 50 mm, 2x optical zoom , 1/2.93" , 1.22 µm
(ultrawide) , 12 MP, f/2.2 , 14 mm, 1/2.55" , 1.4 µm

(ultrawide) , 12 MP, f/2.0 , 16 mm, 1/2.93" , 1.22 µm
Primary camera resolution

9280 x 6920 pixels

8190 x 6120 pixels
Primary camera video

8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR

4K@30/60fps, 1080p@30/60fps, gyro-EIS
Primary camera optics

-

Zeiss optics
Primary camera flash

dual-LED flash

dual-LED dual-tone flash
Camera features

Autofocus, continuous shooting, digital zoom, optical zoom, digital 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, laser autofocus, RAW

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

Triple (motorized flip primary camera)

Single
Selfie camera

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

-

6528 x 4896 pixels
Selfie camera features

-

Face unlock
Selfie camera video

8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR

1080p@30/60fps

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 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.2

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD, aptX Adaptive

aptX HD
Infrared

-

Yes
NFC

Yes

Yes
GPS

Yes, with dual-band A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes (tri-band)

Yes
QZSS

Yes

Yes
NavIC

Yes

Yes