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- A11s vs Blade A51
OPPO A11s vs ZTE Blade A51
What A11s does better (10) and where Blade A51 wins (3) — every spec side by side.
Dimensions
Size comparison
A11sBlade A51
| A11s | Blade A51 | Difference | |
|---|---|---|---|
| Height | 163.9 mm | 166.5 mm | −2.6 mm |
| Width | 75.1 mm | 75.6 mm | −0.5 mm |
| Thickness | 8.4 mm | 8.5 mm | −0.1 mm |
| Weight | 186 g | 174 g | +12 g |
Drawn to the same scale from the official dimensions (front and side).
Why is A11s better than Blade A51?
- RAM8 GB vs 2 GB4×
- Battery capacity5,000 mAh vs 3,200 mAh+56%
- Refresh rate90 Hz vs 60 Hz+50%
- Storage (max)128 GB vs 64 GB2×
- Process11 nm vs 28 nm2.5×
- Storage (base)64 GB vs 32 GB2×
- CPU frequency1.8 GHz vs 1.6 GHz+12%
- Selfie camera8 MP vs 5 MP+60%
- Wi-Fi standardWi-Fi 5 vs Wi-Fi 4+25%
- Bluetooth5 vs 4.2+19%
Why is Blade A51 better than A11s?
- NFCNo · A11s: Yes
- Rear cameras1 vs 22×
- Weight186 g vs 174 g+7%
Specifications
Side by side
| Design | ||
| Weight | 186 g | 174 g |
| Thickness | 8.4 mm | 8.5 mm |
| Height | 163.9 mm | 166.5 mm |
| Width | 75.1 mm | 75.6 mm |
| Glass protection | Corning Gorilla Glass 3+ | — |
| Colours | Gray, White | Blue, Gray |
| Display | ||
| Screen size | 6.5″ | 6.5″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,600 px | 1,600 px |
| Pixel density | 270 ppi | 269 ppi |
| Refresh rate | 90 Hz | 60 Hz |
| Peak brightness | 480 nits | — |
| Screen-to-body ratio | 82.9% | 81.5% |
| Performance | ||
| Chipset | Qualcomm SM4250 Snapdragon 460 | Unisoc SC9863A |
| Chip maker | Qualcomm | Unisoc |
| Process | 11 nm | 28 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.8 GHz | 1.6 GHz |
| GPU | Adreno 610 | IMG8322 |
| Memory | ||
| RAM | 8 GB | 2 GB |
| Storage (max) | 128 GB | 64 GB |
| Storage (base) | 64 GB | 32 GB |
| Storage type | eMMC 5.1 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 13 MP | 13 MP |
| Main camera aperture | f/2.2 | — |
| Main sensor size | 1/3.06" | — |
| Rear cameras | 1 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 8 MP | 5 MP |
| 4K selfie video | No | — |
| Battery | ||
| Battery capacity | 5,000 mAh | 3,200 mAh |
| Battery type | Li-Po | Li-Ion |
| Wired charging | 18 W | — |
| Wireless charging | No | — |
| Connectivity | ||
| 5G | No | — |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 4 |
| Bluetooth | 5 | 4.2 |
| NFC | No | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Rear | Rear |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | Fingerprint (rear-mounted), accelerometer, proximity |
| Software | ||
| OS at launch | Android 10 | Android 11 (Go edition) |
| Platform | Android | Android |
| Interface | ColorOS 7.2 | — |
