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- K12x (China) vs iQOO Z9 (China)
OPPO K12x (China) vs Vivo iQOO Z9 (China)
What K12x (China) does better (2) and where iQOO Z9 (China) wins (12) — every spec side by side.
vs
8.6Display9.7
5.5Camera6.1
8.5Battery8.9
5.5Features7.5
Dimensions
Size comparison
K12x (China)iQOO Z9 (China)
| K12x (China) | iQOO Z9 (China) | Difference | |
|---|---|---|---|
| Height | 162.9 mm | 163.7 mm | −0.8 mm |
| Width | 75.6 mm | 75.9 mm | −0.3 mm |
| Thickness | 8.1 mm | 8 mm | +0.1 mm |
| Weight | 191 g | 195 g | −4 g |
Drawn to the same scale from the official dimensions (front and side).
Why is K12x (China) better than iQOO Z9 (China)?
- Memory card slotYes · iQOO Z9 (China): No
- 3.5 mm headphone jackYes · iQOO Z9 (China): No
Why is iQOO Z9 (China) better than K12x (China)?
- Peak brightness2,100 nits vs 4,500 nits2.1×
- NFCNo · K12x (China): Yes
- Battery capacity5,500 mAh vs 6,000 mAh+9%
- Refresh rate120 Hz vs 144 Hz+20%
- Max video1080p vs 4K
- CPU frequency2.2 GHz vs 2.63 GHz+20%
- Pixel density395 ppi vs 453 ppi+15%
- Process6 nm vs 4 nm+50%
- Charged in 30 min60% vs 88%+47%
- Wi-Fi standardWi-Fi 5 vs Wi-Fi 6+20%
- Resolution (width)1,080 px vs 1,260 px+17%
- Screen-to-body ratio87.2% vs 89.3%+2%
Specifications
Side by side
| Design | ||
| Weight | 191 g | 195 g |
| Thickness | 8.1 mm | 8 mm |
| Height | 162.9 mm | 163.7 mm |
| Width | 75.6 mm | 75.9 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Ingress protection | IP54 | IP64 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Glass protection | Asahi Dragontrail DT-Star2 | — |
| Colours | Gray, Light Green | Black, White, Green |
| Display | ||
| Screen size | 6.7″ | 6.8″ |
| Panel | OLED | AMOLED |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,080 px | 1,260 px |
| Resolution (height) | 2,400 px | 2,800 px |
| Pixel density | 395 ppi | 453 ppi |
| Refresh rate | 120 Hz | 144 Hz |
| Peak brightness | 2,100 nits | 4,500 nits |
| Screen-to-body ratio | 87.2% | 89.3% |
| HDR | — | Yes |
| Performance | ||
| Chipset | Qualcomm SM6375 Snapdragon 695 5G | Qualcomm SM7550-AB Snapdragon 7 Gen 3 |
| Chip maker | Qualcomm | Qualcomm |
| Process | 6 nm | 4 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.2 GHz | 2.63 GHz |
| GPU | Adreno 619 | Adreno 720 |
| AnTuTu score | — | 1,027,925 |
| Geekbench 6 (multi-core) | — | 3,062 |
| Memory | ||
| RAM | 12 GB | 12 GB |
| Storage (max) | 512 GB | 512 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 2.2 | UFS 2.2 |
| Memory card slot | Yes | No |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Main sensor size | 1/2.76" | 1/1.95" |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 4K |
| 4K video frame rate | — | 30 fps |
| Selfie camera | 16 MP | 16 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,500 mAh | 6,000 mAh |
| Battery type | — | Si/C |
| Wired charging | 80 W | 80 W |
| Charged in 30 min | 60% | 88% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 6 |
| Bluetooth | — | 5.4 |
| NFC | No | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Infrared port | — | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | Yes | No |
| 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 14 |
| Platform | Android | Android |
| Interface | ColorOS 14 | OriginOS 4 |
