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- K9s vs S7t
OPPO K9s vs Vivo S7t
What K9s does better (8) and where S7t wins (8) — every spec side by side.
Dimensions
Size comparison
K9sS7t
| K9s | S7t | Difference | |
|---|---|---|---|
| Height | 164.4 mm | 158.8 mm | +5.6 mm |
| Width | 75.9 mm | 74.2 mm | +1.7 mm |
| Thickness | 8.5 mm | 7.4 mm | +1.1 mm |
| Weight | 199 g | 169 g | +30 g |
Drawn to the same scale from the official dimensions (front and side).
Why is K9s better than S7t?
- Refresh rate120 Hz vs 60 Hz2×
- Battery capacity5,000 mAh vs 4,000 mAh+25%
- Memory card slotYes · S7t: No
- 3.5 mm headphone jackYes · S7t: No
- Screen size6.6″ vs 6.4″+2%
- Wi-Fi standardWi-Fi 6 vs Wi-Fi 5+20%
- Process6 nm vs 7 nm+17%
- Main camera aperturef/1.7 vs f/1.9+12%
Why is S7t better than K9s?
- OLED panelNo · K9s: Yes
- NFCNo · K9s: Yes
- Selfie camera16 MP vs 44 MP2.8×
- Wired charging30 W vs 33 W+10%
- 4K selfie videoNo · K9s: Yes
- Weight199 g vs 169 g+18%
- CPU frequency2.4 GHz vs 2.6 GHz+8%
- Thickness8.5 mm vs 7.4 mm+15%
Specifications
Side by side
| Design | ||
| Weight | 199 g | 169 g |
| Thickness | 8.5 mm | 7.4 mm |
| Height | 164.4 mm | 158.8 mm |
| Width | 75.9 mm | 74.2 mm |
| Glass protection | Panda Glass | — |
| Colours | Black, Silver, Aurora | Black, White, Gradient Blue |
| Display | ||
| Screen size | 6.6″ | 6.4″ |
| Panel | IPS LCD | AMOLED |
| OLED panel | No | Yes |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,412 px | 2,400 px |
| Pixel density | 401 ppi | 409 ppi |
| Refresh rate | 120 Hz | 60 Hz |
| Peak brightness | 600 nits | — |
| Screen-to-body ratio | 83.7% | 85% |
| Performance | ||
| Chipset | Qualcomm SM7325 Snapdragon 778G 5G | Mediatek Dimensity 820 |
| Chip maker | Qualcomm | MediaTek |
| Process | 6 nm | 7 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.4 GHz | 2.6 GHz |
| GPU | Adreno 642L | Mali-G57 MC5 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 2.2 | UFS 2.1 |
| Memory card slot | Yes | No |
| Camera | ||
| Main camera | 64 MP | 64 MP |
| Main camera aperture | f/1.7 | f/1.9 |
| Main sensor size | — | 1/1.72" |
| Rear cameras | 2 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | No |
| Max video | 4K | 4K |
| 4K video frame rate | 30 fps | 30 fps |
| Selfie camera | 16 MP | 44 MP |
| 4K selfie video | No | Yes |
| Battery | ||
| Battery capacity | 5,000 mAh | 4,000 mAh |
| Battery type | Li-Po | — |
| Wired charging | 30 W | 33 W |
| Charged in 30 min | — | 66% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | 5.2 | 5.1 |
| NFC | No | Yes |
| USB | USB Type-C 2.0 | USB Type-C |
| USB version | 2 | — |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | No |
| Fingerprint sensor | Side | Under display |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, proximity, compass |
| Software | ||
| OS at launch | Android 11 | Android 11 |
| Platform | Android | Android |
| Interface | ColorOS 11.2 | OriginOS 1.0 |
