Asus Zenfone 8 vs Samsung Galaxy Z Flip4

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
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 - global; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 30, 34, 38, 39, 40, 41, 42, 66, 71 - USA

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 28, 29, 34, 38, 39, 40, 41, 66
5G network

5G band 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78 SA/NSA - global; 1, 2, 3, 5, 7, 8, 12, 20, 25, 38, 40, 66, 71, 77, 78 SA/NSA - USA

5G band 1, 3, 20, 41, 77, 78, 79, 81 SA/NSA/Sub6/mmWave
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A (5CA), Cat20, 2000 Mbps download, 150 Mbps upload

LTE-A (6CA)
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

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

Plastic front (opened), glass back (Gorilla Glass Victus+), aluminum frame
SIM

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

Nano-SIM, eSIM
Height

148 mm

84.9 mm
Width

68.5 mm

71.9 mm
Thickness

8.9 mm

15.9-17.1 mm
Height unfolded

-

165.2 mm
Width unfolded

-

71.9 mm
Thickness unfolded

-

6.9 mm
Weight

169 g

187 g
Payment

-

Samsung Pay (Visa, MasterCard certified)
Waterproof

IP68 (1.5m and 30 mins)

IPX8, 1.5m and 30 minutes
Dust proof

IP68

-
Colors

Black, Silver

Blue, Pink Gold, Graphite, Khaki, Navy, Purple, Red, Yellow

Display
Display type

Super AMOLED

Foldable Dynamic AMOLED 2X
Physical size

5.9 inches

6.7 inches
Resolution

1080 x 2400 pixels

1080 x 2640 pixels
Pixel density

446 ppi

426 ppi
Display colors

16777216

16777216
Protection

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

-
Display features

Always-on display, 120Hz, HDR10+, 700 nits (HBM), 1100 nits (peak)

120Hz, HDR10+, 1200 nits (peak)
Cover display

-

Super AMOLED
Cover display physical size

-

1.9 inches
Cover display resolution

-

260 x 512 pixels
DxOMark display score

81

-

Main camera
Camera type

Dual

Dual
Main camera

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

(wide) , 12 MP, f/1.8 , 83˚ , 24 mm, 1.8 µm, 10x digital zoom
(ultrawide) , 12 MP, f/2.2 , 14 mm, 1/2.93" , 1.12 µm

(ultrawide) , 12 MP, f/2.2 , 1.12 µm, 123˚
Primary camera resolution

9280 x 6920 pixels

4032 x 3024 pixels
Primary camera video

8K@24fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR

4K@30/60fps, 1080p@60/240fps, 720p@960fps, HDR10+
Primary camera flash

LED flash

LED 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, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, tracking autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(standard) , 12 MP, f/2.5 , 28 mm, 1/2.93" , 1.22 µm

(wide) , 10 MP, f/2.4 , 26 mm, 1.22 µm, 80˚
Selfie camera resolution

4032 x 3024 pixels

-
Selfie camera features

Dual-pixel phase detection autofocus, face unlock, HDR

Autofocus, face unlock, HDR
Selfie camera video

4K@30fps, 1080p@30/60fps

4K@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 dual-band A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

-
NavIC

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4000 mAh

3700 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Quick Charge 4+ (60% in 25 min, 100% in 80 min)

Quick Charge, 25W (50% in 30 min)
Reverse charging

Yes

-
Wireless reverse charging

-

Yes, 4.5W
Fast wireless charging

-

Qi, 15W