Asus Zenfone 9 vs Xiaomi 12
A spec-by-spec comparison of the Asus Zenfone 9 and the Xiaomi 12, taken from their full specification sheets. Green marks the better value in each measured row.
Head to head
| Asus Zenfone 9 | Xiaomi 12 |
| Price | $699 | $272 |
| Our rating | 9/10 | 7/10 |
| Battery | 4,300 mAh | 4,500 mAh |
| Wired charging | 30W | 67W |
| RAM (max) | — | 12 GB |
| Storage (max) | 256 GB | 256 GB |
| Screen size | 5.9 in | 6.28 in |
| Refresh rate | 120 Hz | 120 Hz |
| Main camera | 50 MP | 50 MP |
| Weight (lower is lighter) | 169 g | 179 g |
| Released | Jul 2022 | Dec 2021 |
Summary: Asus Zenfone 9 is ahead on our rating, weight (lower is lighter). Xiaomi 12 is ahead on battery, wired charging, screen size.
★ Which should you buy? Xiaomi 12 is the stronger overall pick on the measured specs.
Reviewed by the infozme.com Editorial Team — see how we research & rate phones.
Display
| Asus Zenfone 9 | Xiaomi 12 |
| Type | Super AMOLED, 120Hz, HDR10+, 1100 nits (peak) | AMOLED, 120Hz, HDR10+, Dolby Vision, 1100 nits (peak) |
| Size | 5.9 inches, 84.6 cm2 (~84.6% screen-to-body ratio) | 6.28 inches |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~445 ppi density) | 1080 x 2400 pixels |
| Protection | Corning Gorilla Glass Victus | Corning Gorilla Glass Victus |
Platform
| Asus Zenfone 9 | Xiaomi 12 |
| OS | Android 12, upgradable to Android 14 | Android 12, MIUI 13 (upgradable) |
| Chipset | Qualcomm Snapdragon 8+ Gen 1 Mobile Platform | Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm) |
| CPU | Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) | Octa-core (1x3.00 GHz Cortex-X2 & 3x2.50 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) |
| GPU | Qualcomm Adreno 730 | Adreno 730 |
Memory
| Asus Zenfone 9 | Xiaomi 12 |
| RAM | 8GB, 16GB LPDDR5 | — |
| Storage | 128GB, 256GB UFS3.1 | — |
| Card slot | No | No |
| Internal | — | 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM (UFS 3.1) |
Main Camera
| Asus Zenfone 9 | Xiaomi 12 |
| 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 | — |
| Features | LED flash, HDR, panorama | Dual-LED dual-tone flash, HDR, panorama |
| Video | 8K@24fps, 4K@30/60/120fps, 1080p@30/60/240fps; gyro-EIS, HDR | 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS |
| Triple | — | 50 MP, f/1.9, 26mm (wide), 1/1.56", 1.0µm, PDAF, OIS; 13 MP, f/2.4, 12mm, 123˚ (ultrawide), 1/3.06", 1.12µm; 5 MP, f/2.4, 50mm (telephoto macro), AF |
Selfie Camera
| Asus Zenfone 9 | Xiaomi 12 |
| Modules | 12 MP, f/2.45, 28mm (wide), 1/2.93", 1.22µm, AF | — |
| Video | 4K@30fps, 1080p@30/60fps | 1080p@30/60fps, 720p@120fps |
| Single | — | 32 MP, f/2.5, 26mm (wide), 0.7µm |
| Features | — | HDR, panorama |
Battery
| Asus Zenfone 9 | Xiaomi 12 |
| Type | Li-Po 4300 mAh, non-removable | Li-Po 4500 mAh, non-removable |
| Charging | 30W wired, PD3.0, QC4, 100% in 74 min (advertised) | 67W wired, 50W wireless, 10W reverse wireless, Power Delivery 3.0, Quick Charge 4+ |
Body
| Asus Zenfone 9 | Xiaomi 12 |
| Dimensions | 146.5 x 68.1 x 9.1 mm | 152.7 x 69.9 x 8.2 mm |
| Weight | 169 g | 179g (glass) or 180g (eco-leather) |
| Build | Glass front (Gorilla Glass Victus), plastic back, aluminum frame | Glass front (Gorilla Glass Victus), glass back (Gorilla Glass 5 or frosted glass) or eco-leather back, aluminum frame |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| Durability | IP68 dust/water resistant (up to 1.5m for 30 min) | — |
| Water Resistance | — | No official IP rating |
Comms
| Asus Zenfone 9 | Xiaomi 12 |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/ax (Wi-Fi 6/6E), dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| Bluetooth | 5.2, A2DP, LE, aptX HD, aptX Adaptive | 5.2, A2DP, LE |
| Positioning | GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| NFC | Yes | Yes (market/region dependent) |
| Radio | No | No |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0, OTG |
| Infrared port | — | Yes |
Launch
| Asus Zenfone 9 | Xiaomi 12 |
| Announced | July 28, 2022 | 2021, December 28 |
| Released | September 15, 2022 | — |
| Status | — | Available. Released 2021, December 31 |
Frequently asked questions
Which has the better battery, Asus Zenfone 9 or Xiaomi 12?
Xiaomi 12 — 4,300 mAh for the Asus Zenfone 9 versus 4,500 mAh for the Xiaomi 12.
Which is lighter, Asus Zenfone 9 or Xiaomi 12?
Asus Zenfone 9 — 169 g for the Asus Zenfone 9 versus 179 g for the Xiaomi 12.
Which is newer, Asus Zenfone 9 or Xiaomi 12?
Asus Zenfone 9 — Jul 2022 for the Asus Zenfone 9 versus Dec 2021 for the Xiaomi 12.
Is the Asus Zenfone 9 or the Xiaomi 12 rated higher?
We rate the Asus Zenfone 9 9/10 and the Xiaomi 12 7/10.
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