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Asus Zenfone 9 vs Zenfone 8

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Asus Zenfone 9 vs Zenfone 8

78 out of 100
Asus Zenfone 9
VS
71 out of 100
Asus Zenfone 8
Asus Zenfone 9
Asus Zenfone 8

Here we compared two flagship smartphones: the 5.9-inch Asus Zenfone 9 (with Qualcomm Snapdragon 8 Plus Gen 1) that was released on July 28, 2022, against the Asus Zenfone 8, which is powered by Qualcomm Snapdragon 888 and came out 15 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery life
  6. Camera
  7. Comments

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Asus Zenfone 9
  • Shows 38% longer battery life (32:09 vs 23:13 hours)
  • Comes with 300 mAh larger battery capacity: 4300 vs 4000 mAh
  • 31% better performance in AnTuTu Benchmark (1217K versus 926K)
  • The phone is 1-year and 3-months newer
  • 21% faster in single-core GeekBench 6 test: 1791 and 1478 points
Reasons to consider the Asus Zenfone 8
  • Supports Dolby Atmos sound technology

Review

Evaluation of Asus Zenfone 9 and Zenfone 8 crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
NanoReview Score
Final comparison evaluation

Value for money

Tests and specifications

Comparison table of technical specifications and tests
Phone:
Zenfone 9
vs
Zenfone 8

Display

Type Super AMOLED Super AMOLED
Size 5.9 inches 5.9 inches
Resolution 1080 x 2400 pixels 1080 x 2400 pixels
Aspect ratio 20:9 20:9
PPI 445 ppi 446 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate No No
Max rated brightness 800 nits 600 nits
Max rated brightness in HDR 1100 nits 1100 nits
HDR support Yes, HDR10+ Yes, HDR10+
Screen protection Gorilla Glass Victus Gorilla Glass Victus
Screen-to-body ratio 84.6% 82.9%
Display features - DCI-P3
- Always-On Display
- DC Dimming 		- DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space 98.8% 99.9%
PWM 478 Hz 495 Hz
Response time 2 ms 3.2 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
Zenfone 9 +4%
835 nits
Zenfone 8
806 nits

Design and build

Height 146.5 mm (5.77 inches) 148 mm (5.83 inches)
Width 68.1 mm (2.68 inches) 68.5 mm (2.7 inches)
Thickness 9.1 mm (0.36 inches) 8.9 mm (0.35 inches)
Weight 169 g (5.96 oz) 169 g (5.96 oz)
Waterproof IP68 IP68
Rear material Plastic Glass
Frame material Metal Metal
Colors White, Black, Blue, Red Black, Silver
Fingerprint scanner Yes, in-button Yes, in-display
Screen-to-body ratio
Zenfone 9 +2%
84.6%
Zenfone 8
82.9%

Performance

Tests of Asus Zenfone 9 and Asus Zenfone 8 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 8 Plus Gen 1 Qualcomm Snapdragon 888
Max clock 3190 MHz 2840 MHz
CPU cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4 cores at 2 GHz: Cortex-A510
- 3 cores at 2.75 GHz: Cortex-A710
- 1 core at 3.2 GHz: Cortex-X2 		- 4 cores at 1.8 GHz: Kryo 680 Silver (Cortex-A55)
- 3 cores at 2.42 GHz: Kryo 680 Gold (Cortex-A78)
- 1 core at 2.84 GHz: Kryo 680 Prime (Cortex-X1)
L3 cache 6 MB 4 MB
Lithography process 4 nanometers 5 nanometers
Graphics Adreno 730 Adreno 660
GPU shading units 1536 1024
GPU clock 900 MHz 792 MHz
FLOPS ~2764.8 GFLOPS ~1622 GFLOPS

Benchmarks

Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
Zenfone 9 +31%
1217519
Zenfone 8
926142
CPU 325882 258015
GPU 426064 295562
Memory 214511 170056
UX 249298 199819
Total score 1217519 926142
3DMark Wild Life Performance
Max surface temperature 39 °C 43.5 °C
Stability - 59%
Graphics test - 33 FPS
Graphics score - 5646
PCMark 3.0
Web score - 13916
Video editing - 7415
Photo editing - 42306
Data manipulation - 11602
Writing score - 18781

Memory

RAM
RAM size 8, 16 GB 6, 8, 12, 16 GB
Memory type LPDDR5 LPDDR5
Memory clock 3200 MHz 3200 MHz
Channels 4 2
Storage
Storage size 128, 256 GB 128, 256 GB
Storage type UFS 3.1 UFS 3.1
Memory card No No

Software

Operating system Android 12 (Can be upgraded to Android 13) Android 11 (Can be upgraded to Android 13)
ROM ZenUI 9 ZenUI
OS size - 16 GB

Battery

Capacity 4300 mAh 4000 mAh
Max charge power 30 W 30 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging Yes Yes
Fast charging Yes (57% in 30 min) Yes, Quick Charge 5 (60% in 30 min)
Full charging time 1:15 hr 1:28 hr
Battery life tests
Web browsing 11:15 hr 06:46 hr
Watching video 15:48 hr 12:35 hr
Gaming 07:00 hr 03:24 hr
Standby 90 hr 77 hr
General battery life
Zenfone 9 +38%
32:09 hr
Zenfone 8
23:13 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 50 megapixels 64 megapixels
Image resolution 8192 x 6144 9000 x 7000
Zoom Digital Digital
Flash LED Dual LED
Stabilization Optical Optical
8K video recording Up to 24FPS Up to 24FPS
4K video recording Up to 120FPS Up to 60FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 480 FPS (720p) 480 FPS (720p)
Angle of widest lens 113° 112°
Lenses 2 (50 MP + 12 MP) 2 (64 MP + 12 MP)
Wide (main) lens - 50 MP
- Aperture: f/1.9
- Focal length: 23.8 mm
- Pixel size: 1 micron
- Sensor: 1/1.56", Sony IMX766 (Exmor-RS CMOS)
- Phase autofocus
- Optical stabilization
- 64 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.7", Sony IMX686 (Exmor-RS CMOS)
- Phase autofocus (Dual Pixel)
- Optical stabilization
Ultra-wide lens - 12 MP
- Aperture: f/2.2
- Focal length: 14.4 mm
- Pixel size: 1.4 micron
- Sensor: 1/2.55", Sony IMX363 (Exmor-RS CMOS)
- Phase autofocus
- 12 MP
- Aperture: f/2.2
- Focal length: 14 mm
- Pixel size: 1.4 micron
- Sensor: 1/2.55", Sony IMX363 (Exmor-RS CMOS)
- Phase autofocus (Dual Pixel)
Camera features - Bokeh mode
- Pro mode
- RAW support 		- Bokeh mode
- Pro mode
Samples - Photo samples of Asus Zenfone 8 from DxOMark
Selfie camera
Megapixels 12 megapixels 12 megapixels
Image resolution 4247 x 2826 4290 x 2800
Aperture f/2.5 f/2.5
Focal length 27.5 mm 28 mm
Pixel size 1.22 microns 1.22 microns
Sensor type Exmor-RS CMOS Exmor-RS CMOS
Sensor size 1/2.93" 1/2.93"
Video resolution 2160p (4K) at 30 FPS 2160p (4K) at 30 FPS

DxOMark camera tests

Photo quality
Video quality
Generic camera score

Connectivity

Wi-Fi standard Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display 		- Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 5.2
Bluetooth features LE LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.1
USB features - Charging
- USB-Storage mode
- OTG 		- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
NFC * Yes Yes
Infrared port No No
Network
Number of SIM * 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support * No No
Hybrid slot No No
LTE Cat * 20 20
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack Yes Yes
FM radio No No
Dolby Atmos No Yes
Speakers test
Max loudness
Zenfone 9 +1%
88 dB
Zenfone 8
86.7 dB

Other

Category Flagship Flagship
Announced July 2022 May 2021
Release date August 2022 May 2021
Sensors - Hall-effect sensor
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint 		- Hall-effect sensor
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Yes, 30 W -
* Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

After analyzing all the data, we think that the Asus Zenfone 9 is definitely a better buy.

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