Asus Zenfone 8 vs Asus Zenfone 9
A spec-by-spec comparison of the Asus Zenfone 8 and the Asus Zenfone 9, taken from their full specification sheets. Green marks the better value in each measured row.
Head to head
| Asus Zenfone 8 | Asus Zenfone 9 |
|---|
| Price | $399 | $699 |
| Our rating | 8/10 | 9/10 |
| Battery | 4,000 mAh | 4,300 mAh |
| Wired charging | 30W | 30W |
| Storage (max) | 256 GB | 256 GB |
| Screen size | 5.9 in | 5.9 in |
| Refresh rate | 120 Hz | 120 Hz |
| Main camera | 64 MP | 50 MP |
| Weight (lower is lighter) | 169 g | 169 g |
| Released | May 2021 | Jul 2022 |
Summary: Asus Zenfone 8 is ahead on main camera. Asus Zenfone 9 is ahead on our rating, battery.
★ Which should you buy? Asus Zenfone 9 is the stronger overall pick on the measured specs. If budget matters more than the extra capability, Asus Zenfone 8 is the cheaper option.
Reviewed by the infozme.com Editorial Team — see how we research & rate phones.
Display
| Asus Zenfone 8 | Asus Zenfone 9 |
|---|
| Type | Super AMOLED, 120Hz, HDR10+, 1100 nits (peak) | Super AMOLED, 120Hz, HDR10+, 1100 nits (peak) |
| Size | 5.9 inches, 84.6 cm2 (~82.9% screen-to-body ratio) | 5.9 inches, 84.6 cm2 (~84.6% screen-to-body ratio) |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~446 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~445 ppi density) |
| Protection | Corning Gorilla Glass Victus | Corning Gorilla Glass Victus |
| Features | 1ms response time, 240Hz touch sampling rate | — |
Platform
| Asus Zenfone 8 | Asus Zenfone 9 |
|---|
| Chipset | Qualcomm SM8350 Snapdragon 888 5G (5 nm) | Qualcomm Snapdragon 8+ Gen 1 Mobile Platform |
| CPU | Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) | Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) |
| GPU | Adreno 660 | Qualcomm Adreno 730 |
| OS | — | Android 12, upgradable to Android 14 |
Memory
| Asus Zenfone 8 | Asus Zenfone 9 |
|---|
| RAM Options | 6GB, 8GB, 16GB LPDDR5 | — |
| Storage Options | 128GB, 256GB UFS 3.1 | — |
| Card Slot | No | — |
| RAM | — | 8GB, 16GB LPDDR5 |
| Storage | — | 128GB, 256GB UFS3.1 |
| Card slot | — | No |
Main Camera
| Asus Zenfone 8 | Asus Zenfone 9 |
|---|
| Dual | 64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF, OIS (Sony IMX686); 12 MP, f/2.2, 14mm, 112˚ (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF (Sony IMX363) | — |
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, EIS | 8K@24fps, 4K@30/60/120fps, 1080p@30/60/240fps; gyro-EIS, HDR |
| Modules | — | 50 MP, f/1.9, (wide), 1/1.56", 1.0µm, PDAF, 6-axis gimbal OIS; 12 MP, f/2.2, 113˚ (ultrawide), 1/2.55", 1.4µm, AF |
Selfie Camera
| Asus Zenfone 8 | Asus Zenfone 9 |
|---|
| Single | 12 MP, f/2.5, 28mm (standard), 1/2.93", 1.22µm, dual pixel PDAF (Sony IMX663) | — |
| Features | HDR | — |
| Video | 4K@30fps, 1080p@30/60fps, EIS | 4K@30fps, 1080p@30/60fps |
| Modules | — | 12 MP, f/2.45, 28mm (wide), 1/2.93", 1.22µm, AF |
Battery
| Asus Zenfone 8 | Asus Zenfone 9 |
|---|
| Type | Li-Po 4000 mAh, non-removable | Li-Po 4300 mAh, non-removable |
| Charging | 30W wired, PD3.0, QC4 (60% in 25 min, 100% in 80 min advertised), 10W reverse wired | 30W wired, PD3.0, QC4, 100% in 74 min (advertised) |
Body
| Asus Zenfone 8 | Asus Zenfone 9 |
|---|
| Dimensions | 148 x 68.5 x 8.9 mm (5.83 x 2.70 x 0.35 in) | 146.5 x 68.1 x 9.1 mm |
| Weight | 169 g (5.96 oz) | 169 g |
| Build | Glass front (Gorilla Glass Victus), glass back (Gorilla Glass 3), aluminum frame | Glass front (Gorilla Glass Victus), plastic back, aluminum frame |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| Water & Dust Resistance | IP68 dust/water resistant | — |
| Durability | — | IP68 dust/water resistant (up to 1.5m for 30 min) |
Comms
| Asus Zenfone 8 | Asus Zenfone 9 |
|---|
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6/6e, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/ax (Wi-Fi 6/6E), dual-band, Wi-Fi Direct |
| Bluetooth | 5.2, A2DP, LE, aptX HD, aptX Adaptive | 5.2, A2DP, LE, aptX HD, aptX Adaptive |
| Positioning | GPS (L1+L5), GLONASS (L1), BDS (B1/B1c/B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) | GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| NFC | Yes | Yes |
| Radio | No | No |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0, OTG |
Launch
| Asus Zenfone 8 | Asus Zenfone 9 |
|---|
| Announced | May 12, 2021 | July 28, 2022 |
| Status | Released May 13, 2021 | — |
| OS | Android 11, upgradable to Android 13, ZenUI 8 | — |
| Released | — | September 15, 2022 |
Frequently asked questions
Which has the better battery, Asus Zenfone 8 or Asus Zenfone 9?
Asus Zenfone 9 — 4,000 mAh for the Asus Zenfone 8 versus 4,300 mAh for the Asus Zenfone 9.
Which is newer, Asus Zenfone 8 or Asus Zenfone 9?
Asus Zenfone 9 — May 2021 for the Asus Zenfone 8 versus Jul 2022 for the Asus Zenfone 9.
Is the Asus Zenfone 8 or the Asus Zenfone 9 rated higher?
We rate the Asus Zenfone 8 8/10 and the Asus Zenfone 9 9/10.
Best phone lists →
