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Asus ZenFone 8 vs Asus Zenfone 9 Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

Comparison mode:
Specs Size
Differences only
9.0
Asus ZenFone 8
9.1
Asus Zenfone 9
Asus ZenFone 8 Asus Zenfone 9
Released · May 13, 2021
Released · Sep 15, 2022
5.9-inch · 2400 x 1080 px
5.9-inch · 2400 x 1080 px
64 MP Main · 12 MP Selfie
50 MP Main · 12 MP Selfie
6GB · 128GB
8GB · 128GB
4000 mAh
4300 mAh

Display

Size
5.9-inch 5.9-inch
Resolution
2400 x 1080 px, 20:9 ratio, 446 PPI 2400 x 1080 px, 20:9 ratio, 446 PPI
Technology
AMOLED Super AMOLED
Refresh rate
120Hz 120Hz
Screen-to-body
82.76 % 84.24 %
Peak brightness
1100 cd/m2 (nit) 1100 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), 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
6GB (LPDDR5) 8GB (LPDDR5)
Internal storage
128GB (UFS 3.1), not expandable 128GB (UFS 3.1), not expandable
OS
Android (11), Zen 8 UI Android (12)
Device type
Smartphone Smartphone

Battery

Capacity
4000 mAh 4300 mAh
Type
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
6h 11min
Browsing
10h 12min
Video
11h 23min
Gaming
8h 42min
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
Dual camera Dual camera
Main camera
64 MP (OIS, 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
12 MP (Ultra-wide, PDAF)
Specifications:
Aperture size: F2.2
Focal Length: 14 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm 		12 MP
Specifications:
Aperture size: F2.2
Focal Length: 14.4 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Flash
LED LED
Video recording
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (120 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)
Features:
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 (PDAF), Video capture: 3840x2160 (4K UHD) (30 fps) 12 MP

Design

Dimensions
5.83 x 2.70 x 0.35 inches
(148 x 68.6 x 8.9 mm) 		5.77 x 2.68 x 0.36 inches
(146.5 x 68.1 x 9.1 mm)
Weight
5.96 oz(169.0 g) 5.96 oz(169.0 g)
Materials
Back: Glass (Corning Gorilla Glass 3)
Frame: Aluminum
Resistance
Water, Dust; IP68 Yes; IP68
Biometrics
Optical in-screen fingerprint Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Obsidian Black, Horizon Silver

Cellular

5G
Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n38, n40, n66, n71, 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), 25(1900+), 26(850+), 30(2300 WCS), 66(AWS-3), 71(600) 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
Yes
SIM type
Nano SIM Dual Nano SIM

Multimedia

Headphones
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
Radio
FM, Stereo, RDS
Additional microphone(s)
Noise cancellation Noise cancellation

Connectivity & Features

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

Buyers information

Price
€ 599

Availability

Officially announced
May 12, 2021 Jul 28, 2022

Alternative variants

With 8GB RAM
RAM 8GB
With 256GB internal storage
Internal storage 256GB
With 8GB RAM and 256GB internal storage
RAM 8GB
Internal storage 256GB
With 16GB RAM and 256GB internal storage
RAM 16GB
Internal storage 256GB
With 16GB RAM and 256GB internal storage
RAM 16GB
Internal storage 256GB
Global
5G Bands n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n77, n78, SA, NSA
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)
4G (TDD) 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)
FCC OKs Cingular\'s purchase of AT&T Wireless