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- ROG Phone 8 vs Zenfone 12 Ultra
Asus ROG Phone 8 vs Asus Zenfone 12 Ultra
What ROG Phone 8 does better (2) and where Zenfone 12 Ultra wins (8) — every spec side by side.
vs
9.0Display8.8
8.8Performance9.3
9.4Camera9.4
8.3Battery8.3
7.8Features8.4
Dimensions
Size comparison
ROG Phone 8Zenfone 12 Ultra
| ROG Phone 8 | Zenfone 12 Ultra | Difference | |
|---|---|---|---|
| Height | 163.8 mm | 163.8 mm | = |
| Width | 76.8 mm | 77 mm | −0.2 mm |
| Thickness | 8.9 mm | 8.9 mm | = |
| Weight | 225 g | 220 g | +5 g |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Phone 8 better than Zenfone 12 Ultra?
- Refresh rate165 Hz vs 144 Hz+15%
- Rear cameras5 vs 3+67%
Why is Zenfone 12 Ultra better than ROG Phone 8?
- Storage (max)256 GB vs 512 GB2×
- AnTuTu score2,313,311 vs 2,702,580+17%
- Geekbench 6 (multi-core)7,019 vs 9,695+38%
- CPU frequency3.3 GHz vs 4.32 GHz+31%
- eSIMNo · ROG Phone 8: Yes
- 3DMark Wild Life Extreme5,205 vs 5,678+9%
- Weight225 g vs 220 g+2%
- Process4 nm vs 3 nm+33%
Specifications
Side by side
| Design | ||
| Weight | 225 g | 220 g |
| Thickness | 8.9 mm | 8.9 mm |
| Height | 163.8 mm | 163.8 mm |
| Width | 76.8 mm | 77 mm |
| Frame | Aluminium | Aluminium |
| Back | Glass | Glass |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Glass protection | Corning Gorilla Glass Victus 2 | Corning Gorilla Glass Victus 2 |
| Colours | Phantom Black, Rebel Grey | Ebony Black, Sakura White, Sage Green |
| Display | ||
| Screen size | 6.8″ | 6.8″ |
| Panel | LTPO AMOLED | LTPO AMOLED |
| OLED panel | Yes | Yes |
| LTPO (adaptive 1–120 Hz) | Yes | Yes |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,400 px | 2,400 px |
| Pixel density | 388 ppi | 388 ppi |
| Refresh rate | 165 Hz | 144 Hz |
| Peak brightness | 2,500 nits | 2,500 nits |
| Measured brightness | — | 1,965 nits |
| Screen-to-body ratio | 88.2% | 88% |
| HDR | Yes | Yes |
| Performance | ||
| Chipset | Qualcomm SM8650-AB Snapdragon 8 Gen 3 | Qualcomm SM8750-AB Snapdragon 8 Elite |
| Chip maker | Qualcomm | Qualcomm |
| Process | 4 nm | 3 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 3.3 GHz | 4.32 GHz |
| GPU | Adreno 750 | Adreno 830 |
| AnTuTu score | 2,313,311 | 2,702,580 |
| Geekbench 6 (multi-core) | 7,019 | 9,695 |
| 3DMark Wild Life Extreme | 5,205 | 5,678 |
| Memory | ||
| RAM | 16 GB | 16 GB |
| Storage (max) | 256 GB | 512 GB |
| Storage (base) | 256 GB | 256 GB |
| Storage type | UFS 4.0 | UFS 4.0 |
| Memory card slot | No | No |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | f/1.9 | f/1.9 |
| Main sensor size | 1/1.56" | 1/1.56" |
| Rear cameras | 5 | 3 |
| Optical stabilisation | Yes | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | Yes | Yes |
| Optical zoom | 3× | 3× |
| Max video | 8K | 8K |
| 4K video frame rate | 60 fps | 60 fps |
| Selfie camera | 32 MP | 32 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,500 mAh | 5,500 mAh |
| Battery type | Li-Po | Li-Po |
| Active use (test) | — | 15.8 h |
| Wired charging | 65 W | 65 W |
| Charged in 30 min | 77% | 77% |
| Wireless charging | Yes | Yes |
| Wireless charging power | 15 W | 15 W |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | No | Yes |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| NFC | Yes | Yes |
| USB | USB Type-C (side) | USB Type-C |
| USB version | 3.2 | 3.2 |
| Video output | Yes | — |
| Dual-band GPS | Yes | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS, NavIC | GLONASS, GALILEO, BDS, QZSS, NavIC |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | Yes | Yes |
| Loudspeaker loudness | — | -27.7 LUFS |
| Fingerprint sensor | Under display | Under display |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Software | ||
| OS at launch | Android 14 | Android 15 |
| Platform | Android | Android |
| Interface | ROG UI | — |
| Major OS updates promised | 2 | 2 |
| EU label | ||
| Energy class | — | A |
| Battery charge cycles | — | 1,200 |
| Endurance per cycle | — | 61 h |
| Repairability class | — | C |
| Drop resistance class | — | D |
