Asus Zenfone 9
2022Support ended
Price from
Condition
Pros and Cons
Strengths and weaknesses at a glance.
Why choose
- Truly compact
- Gimbal camera
- 3.5mm headphone jack
- Excellent battery life
- ZenUI cleanliness
- IP68 resistance
What to consider
- Short software support
- No wireless charging
- No telephoto lens
- Screen bezels
- Heating under load
Detailed Technical Info
Hardware and features in detail.
- Screen size
- 5.9"
- Resolution
- 1080 x 2400
- Display type
- Super AMOLED
- Refresh rate
- 120Hz
- Max brightness
- 1100 nits (peak)
- Screen protection
- Corning Gorilla Glass Victus
Display
- Screen size
- 5.9"
- Resolution
- 1080 x 2400
- Display type
- Super AMOLED
- Refresh rate
- 120Hz
- Max brightness
- 1100 nits (peak)
- Screen protection
- Corning Gorilla Glass Victus
Performance
- Processor
- Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)
- CPU cores
- Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
- GPU
- Adreno 730
- RAM
- 6GB
- AnTuTu score
- 1083092 (v9)
Camera
- Main camera
- 50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, multi-directional PDAF, gimbal OIS
- Ultra-wide
- 12 MP, f/2.2, 14mm, 113˚, Dual Pixel PDAF
- Telephoto
- Not available
- Front camera
- 12 MP, f/2.5, 28mm (standard), 1/2.93", 1.22µm, dual pixel PDAF
- Video
- 8K@24fps, 4K@30/60/120fps, 1080p@30/60/240fps; gyro-EIS, HDR
Battery
- Capacity
- 4300 mAh
- Charging speed
- 30W wired, PD3.0, PPS, QC4
- Wireless charging
- No
- Battery life
- Up to 17 hours of video playback
Connectivity
- 5G
- Yes
- Wi-Fi
- Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
- Bluetooth
- 5.2, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless
- NFC
- Yes
- USB
- USB Type-C, OTG
Body & Dimensions
- Dimensions
- 146.5 x 68.1 x 9.1 mm
- Weight
- 169 g
- Materials
- Glass front (Gorilla Glass Victus), plastic back, aluminum frame
- Water resistance
- IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Condition Classes
All devices are fully tested and working.
Good (B)
from 415,7 €
May have a few micro-scratches on the frame. The screen is clean. Battery health 85-90%.
Acceptable (C)
from 365 €
Clearly visible signs of use. Best price.
Model characteristics
Common issues that may occur with Asus Zenfone 9.
ZenTouch button wear
MinorMechanical wear on the side button.
Camera lens fogging
ModerateSeal inaccuracy or residual moisture from manufacturing.
Thermal throttling
MinorThe small chassis cannot dissipate heat quickly enough.
System freeze after update
ModerateSoftware conflict with old cache files.
Repairs and Parts4/10 iFixit
Battery Replacement
Requires heating the back panel and removing adhesive, but the battery is accessible without removing the motherboard.
Screen Replacement
Replacing the screen requires removing almost all internal components.
Charging Port Repair
The USB port is on a separate daughterboard, simplifying replacement.
Original parts are harder to find than for Samsung or iPhone, but specialised repair shops can manage.
Environmental Impact
Buying a used device saves valuable resources.
CO₂ Saved
48 kg CO2e
Water Saved
11500 liters
E-Waste Avoided
169 grams
Reused
89%
Recycled
11%
Methodology: Fraunhofer Institute / Refurbed.com calculation model (2025)
Who Is This For?
This device is especially well-suited for these users.
Small phone enthusiast
A person tired of giant smartphones who wants a device that fits in their pocket.
- Ideal size for one-handed use
- Lightweight
- Powerful internals in a compact shell
Audiophile
A user who values high-quality sound and owns good wired headphones.
- Presence of a 3.5mm jack
- Dirac audio tuning
- High-quality stereo speakers
Content creator
An active person who films a lot on the go and needs good stabilisation.
- Gimbal OIS system
- Very good 4K video quality
- Durable IP68 casing
Network Compatibility
Supported frequencies and carriers.
LithuaniaYour country
Estonia
Finland
Latvia
The Zenfone 9 supports a wide range of 5G frequencies used in the Nordic and Baltic countries.
Comparisons With Other Models
How this model differs from the competition.
The Zenfone 10 adds wireless charging and a slightly faster processor, but the Zenfone 9 will be significantly cheaper in 2026 and offers an almost identical user experience.
| Feature | Asus Zenfone 9 | Asus Zenfone 10 |
|---|---|---|
| Wireless charging | No | 15W Qi |
| Processor | Snapdragon 8+ Gen 1 | Snapdragon 8 Gen 2 |
| Camera stabilisation | 6-axis Gimbal 1.0 | 6-axis Gimbal 2.0 |
Samsung offers a better screen and longer software support, but Asus wins on battery life, the 3.5mm jack, and the unique gimbal camera.
| Feature | Asus Zenfone 9 | Galaxy S23 |
|---|---|---|
| Screen brightness | 1100 nits | 1750 nits |
| Headphone jack | Yes (3.5mm) | No |
| Telephoto lens | Not available | 10MP (3x optical) |
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