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- P20 vs Galaxy A51
Huawei P20 vs Samsung Galaxy A51
What P20 does better (7) and where Galaxy A51 wins (12) — every spec side by side.
vs
5.2Display5.0
5.8Camera8.1
2.5Battery2.6
6.2Features5.0
Dimensions
Size comparison
P20Galaxy A51
| P20 | Galaxy A51 | Difference | |
|---|---|---|---|
| Height | 149.1 mm | 158.5 mm | −9.4 mm |
| Width | 70.8 mm | 73.6 mm | −2.8 mm |
| Thickness | 7.6 mm | 7.9 mm | −0.2 mm |
| Weight | 165 g | 172 g | −7 g |
Drawn to the same scale from the official dimensions (front and side).
Why is P20 better than Galaxy A51?
- Stereo speakersYes · Galaxy A51: No
- Peak brightness770 nits vs 400 nits+92%
- Pixel density428 ppi vs 407 ppi+5%
- CPU frequency2.4 GHz vs 2.3 GHz+4%
- Weight165 g vs 172 g+4%
- USB version3.1 vs 2+55%
- Thickness7.6 mm vs 7.9 mm+3%
Why is Galaxy A51 better than P20?
- Main camera20 MP vs 48 MP2.4×
- OLED panelNo · P20: Yes
- Optical stabilisationNo · P20: Yes
- Battery capacity3,400 mAh vs 4,000 mAh+18%
- Memory card slotNo · P20: Yes
- Rear cameras2 vs 42×
- Ultra-wide cameraNo · P20: Yes
- 3.5 mm headphone jackNo · P20: Yes
- Screen size5.8″ vs 6.5″+12%
- Selfie camera24 MP vs 32 MP+33%
- Bluetooth4.2 vs 5+19%
- Screen-to-body ratio80.4% vs 87.4%+9%
Specifications
Side by side
| Design | ||
| Weight | 165 g | 172 g |
| Thickness | 7.6 mm | 7.9 mm |
| Height | 149.1 mm | 158.5 mm |
| Width | 70.8 mm | 73.6 mm |
| Frame | Aluminium | Plastic |
| Back | Glass | Plastic |
| Glass protection | — | Gorilla Glass 3 |
| Colours | — | White, Black |
| Display | ||
| Screen size | 5.8″ | 6.5″ |
| Panel | LCD | AMOLED |
| OLED panel | No | Yes |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,240 px | 2,400 px |
| Pixel density | 428 ppi | 407 ppi |
| Refresh rate | — | 60 Hz |
| Peak brightness | 770 nits | 400 nits |
| Measured brightness | — | 635 nits |
| Screen-to-body ratio | 80.4% | 87.4% |
| Performance | ||
| Chipset | HiSilicon Kirin 970 | Samsung Exynos 9611 |
| Chip maker | HiSilicon | Samsung |
| Process | — | 10 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.4 GHz | 2.3 GHz |
| GPU | Mali G72 MP12 | Mali G72 MP3 |
| AnTuTu score | — | 352,699 |
| Geekbench 6 (multi-core) | — | 1,204 |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Storage (max) | — | 128 GB |
| Storage (base) | — | 128 GB |
| Storage type | — | UFS 2.0 |
| Memory card slot | No | Yes |
| Camera | ||
| Main camera | 20 MP | 48 MP |
| Main camera aperture | — | f/2 |
| Main sensor size | — | 1/2" |
| Rear cameras | 2 | 4 |
| Optical stabilisation | No | Yes |
| Ultra-wide camera | No | Yes |
| Telephoto camera | No | No |
| Optical zoom | 3× | — |
| Max video | 4K | 4K |
| 4K video frame rate | 30 fps | 30 fps |
| Selfie camera | 24 MP | 32 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 3,400 mAh | 4,000 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | — | 15 W |
| Charged in 30 min | — | 34% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 4.2 | 5 |
| NFC | Yes | Yes |
| USB | USB Type-C | USB Type-C |
| USB version | 3.1 | 2 |
| Satellite navigation | GPS, GLONASS, BDS | GPS, GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | Yes | No |
| 3.5 mm headphone jack | No | Yes |
| Fingerprint sensor | Yes | Under display |
| Sensors | proximity, accelerometer, gyro, light, compass, hall, color spectrum, fingerprint | proximity, accelerometer, gyro, light, fingerprint |
| SAR (head) | — | 0.6 W/kg |
| Software | ||
| OS at launch | Android 8.1 Oreo | Android 10 |
| Platform | Android | Android |
| Interface | EMUI 8.1 | One UI 2 |









