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- K9 vs Y71t
OPPO K9 vs Vivo Y71t
What K9 does better (9) and where Y71t wins (4) — every spec side by side.
Dimensions
Size comparison
K9Y71t
| K9 | Y71t | Difference | |
|---|---|---|---|
| Height | 159.1 mm | 160.6 mm | −1.5 mm |
| Width | 73.4 mm | 73.9 mm | −0.5 mm |
| Thickness | 7.9 mm | 7.7 mm | +0.2 mm |
| Weight | 172 g | 166 g | +6 g |
Drawn to the same scale from the official dimensions (front and side).
Why is K9 better than Y71t?
- Refresh rate90 Hz vs 60 Hz+50%
- Wired charging65 W vs 44 W+48%
- Battery capacity4,300 mAh vs 4,000 mAh+7%
- Peak brightness750 nits vs 600 nits+25%
- Max video4K vs 1080p
- Selfie camera32 MP vs 16 MP2×
- CPU frequency2.8 GHz vs 2.4 GHz+17%
- Charged in 30 min86% vs 64%+34%
- Main camera aperturef/1.7 vs f/1.8+6%
Why is Y71t better than K9?
- Memory card slotNo · K9: Yes
- Weight172 g vs 166 g+3%
- Process7 nm vs 6 nm+17%
- Thickness7.9 mm vs 7.7 mm+3%
Specifications
Side by side
| Design | ||
| Weight | 172 g | 166 g |
| Thickness | 7.9 mm | 7.7 mm |
| Height | 159.1 mm | 160.6 mm |
| Width | 73.4 mm | 73.9 mm |
| Colours | Black, Aurora | Blue, Aurora |
| Display | ||
| Screen size | 6.4″ | 6.4″ |
| Panel | Super AMOLED | AMOLED |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,400 px | 2,400 px |
| Pixel density | 409 ppi | 409 ppi |
| Refresh rate | 90 Hz | 60 Hz |
| Peak brightness | 750 nits | 600 nits |
| Screen-to-body ratio | 85.5% | 84.4% |
| Performance | ||
| Chipset | Qualcomm SM7250-AC Snapdragon 768G 5G | Mediatek Dimensity 810 |
| Chip maker | Qualcomm | MediaTek |
| Process | 7 nm | 6 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.8 GHz | 2.4 GHz |
| GPU | Adreno 620 | Mali-G57 MC2 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | — | UFS 2.1 |
| Memory card slot | No | Yes |
| Camera | ||
| Main camera | 64 MP | 64 MP |
| Main camera aperture | f/1.7 | f/1.8 |
| Rear cameras | 2 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | No |
| Max video | 4K | 1080p |
| 4K video frame rate | 30 fps | — |
| Selfie camera | 32 MP | 16 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 4,300 mAh | 4,000 mAh |
| Battery type | Li-Po | — |
| Wired charging | 65 W | 44 W |
| Charged in 30 min | 86% | 64% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5.1 |
| NFC | No | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| 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 11 | Android 11 |
| Platform | Android | Android |
| Interface | ColorOS 11.1 | OriginOS 1.0 |
