Asus ZenFone 8 Flip vs Asus Zenfone 9 Specs Comparison

Display

Size
6.7-inch	5.9-inch
Resolution
2400 x 1080 px, 20:9 ratio, 395 PPI	2400 x 1080 px, 20:9 ratio, 446 PPI
Technology
AMOLED	Super AMOLED
Refresh rate
90Hz	120Hz
Screen-to-body
84.25 %	84.24 %
Peak brightness
1000 cd/m2 (nit)	1100 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 888 SM8350 (5 nm)	Qualcomm Snapdragon 8+ Gen1 SM8475 (4 nm)
Processor
Octa-core, 2840 MHz, Kryo 680, 64-bit	Octa-core, 1x 3.2GHz Cortex-X2 + 3x 2.75GHz Cortex-A710 + 4x 2.0Ghz Cortex-A510
GPU
Adreno 660	Adreno 730
RAM
8GB (LPDDR5)	8GB (LPDDR5)
Internal storage
128GB (UFS 3.1)	128GB (UFS 3.1), not expandable
Storage expansion
microSDXC up to 2048 GB
OS
Android (11), Zen 8 UI	Android (12)
Device type
Smartphone	Smartphone

Battery

Capacity
5000 mAh	4300 mAh
Type
Not user replaceable	Not user replaceable
Charging
Qualcomm Quick Charge 4	Fast charging
Max charge speed
Wired: 30.0W	Wired: 30.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

8h 18min

Gaming

10h 5min

Battery Life Estimate

7h 37min

Browsing

17h 13min

Video

12h 14min

Gaming

8h 12min

Find out more details about battery and charging for all phones we have tested on our PhoneArena Battery Score page.

Camera

Rear
Triple camera, Doubles as a selfie camera	Dual camera
Main camera
64 MP (PDAF) Specifications: Aperture size: F1.8 Focal length: 27 mm Sensor size: 1/1.7" Pixel size: 1.6 μm	50 MP (OIS, PDAF) Specifications: Aperture size: F1.9 Sensor size: 1/1.56"
Second camera
8 MP (Telephoto) Specifications: Optical zoom: 3.0x Focal Length: 80 mm	12 MP Specifications: Aperture size: F2.2 Focal Length: 14.4 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Third camera
12 MP (Ultra-wide, Autofocus) Specifications: Aperture size: F2.2 Focal Length: 14 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Flash
Dual LED	LED
Video recording
7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (120 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps) Features: HDR, Time-lapse video, Picture-taking during video recording, EIS	7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (120 fps), 1920x1080 (Full HD) (240 fps)
Front
	12 MP

Design

Dimensions
6.50 x 3.04 x 0.38 inches (165.04 x 77.28 x 9.6 mm)	5.77 x 2.68 x 0.36 inches (146.5 x 68.1 x 9.1 mm)
Weight
8.11 oz(230.0 g)	5.96 oz(169.0 g)
Materials
Back: Glass (Corning Gorilla Glass 3) Frame: Aluminum
Resistance
	Yes; IP68
Biometrics
2D Face unlock, Optical in-screen fingerprint	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Galactic Black, Glacier Silver

Cellular

5G
Bands n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n77, n78, SA, NSA	Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n77, n78
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500)	Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500)
3G
Bands 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 6(800), 8(900), 19(800)	Bands 2(1900), 3(1800), 5(850), 8(900)
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
No
SIM type
Nano SIM	Dual Nano SIM

Multimedia

Headphones
No 3.5mm jack	3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Multiple speakers
Features
aptX, aptX-HD
Screen mirroring
Wireless screen share	Wireless screen share
Additional microphone(s)
Noise cancellation	Noise cancellation

Connectivity & Features

Bluetooth
5.2	5.2
Wi-Fi
802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,ax(Wi-Fi 6) Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 2.0, Features: Charging	Type-C (reversible), USB 2.0, Features: Charging, OTG
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, NavIC, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
NFC	NFC

Availability

Officially announced
May 12, 2021	Jul 28, 2022

Alternative variants

With 256GB internal storage

Internal storage	256GB

With 256GB internal storage

Internal storage	256GB

With 16GB RAM and 256GB internal storage

RAM	16GB
Internal storage	256GB

Links

Full specifications
Asus ZenFone 8 Flip Specs	Asus Zenfone 9 Specs
PhoneArena Review
Asus ZenFone 8 Flip Review	Asus Zenfone 9 Review