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- Galaxy A31 vs Y51s
Samsung Galaxy A31 vs Vivo Y51s
What Galaxy A31 does better (9) and where Y51s wins (6) — every spec side by side.
vs
5.7Display4.1
6.2Camera5.0
4.0Battery3.0
5.0Features5.0
Dimensions
Size comparison
Galaxy A31Y51s
| Galaxy A31 | Y51s | Difference | |
|---|---|---|---|
| Height | 159.3 mm | 162 mm | −2.7 mm |
| Width | 73.1 mm | 76.6 mm | −3.5 mm |
| Thickness | 8.6 mm | 8.5 mm | +0.1 mm |
| Weight | 185 g | 190 g | −5 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy A31 better than Y51s?
- OLED panelYes · Y51s: No
- NFCYes · Y51s: No
- Battery capacity5,000 mAh vs 4,500 mAh+11%
- Selfie camera20 MP vs 8 MP2.5×
- Memory card slotYes · Y51s: No
- Rear cameras2 vs 12×
- Ultra-wide cameraYes · Y51s: No
- Pixel density411 ppi vs 395 ppi+4%
- Weight185 g vs 190 g+3%
Why is Y51s better than Galaxy A31?
- 5GNo · Galaxy A31: Yes
- Wired charging15 W vs 18 W+20%
- Storage (base)64 GB vs 128 GB2×
- Max video1080p vs 4K
- Process12 nm vs 8 nm+50%
- Main camera aperturef/2 vs f/1.8+11%
Specifications
Side by side
| Design | ||
| Weight | 185 g | 190 g |
| Thickness | 8.6 mm | 8.5 mm |
| Height | 159.3 mm | 162 mm |
| Width | 73.1 mm | 76.6 mm |
| Frame | Plastic | — |
| Back | Plastic | — |
| Colours | Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White | Black, Blue, White |
| Display | ||
| Screen size | 6.4″ | 6.5″ |
| Panel | Super AMOLED | IPS LCD |
| OLED panel | Yes | No |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,400 px | 2,340 px |
| Pixel density | 411 ppi | 395 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 600 nits | — |
| Measured brightness | 635 nits | — |
| Screen-to-body ratio | 84.9% | 84.4% |
| Performance | ||
| Chipset | Mediatek MT6768 Helio P65 | Exynos 880 |
| Chip maker | MediaTek | Exynos |
| Process | 12 nm | 8 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2 GHz | 2 GHz |
| GPU | Mali-G52 MC2 | Mali-G76 MP5 |
| AnTuTu score | 151,815 | — |
| Geekbench 6 (multi-core) | 5,096 | — |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 128 GB | 128 GB |
| Storage (base) | 64 GB | 128 GB |
| Storage type | eMMC 5.1 | UFS 2.1 |
| Memory card slot | Yes | No |
| Camera | ||
| Main camera | 48 MP | 48 MP |
| Main camera aperture | f/2 | f/1.8 |
| Main sensor size | 1/2.0" | 1/2.0" |
| Rear cameras | 2 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | No |
| Telephoto camera | No | No |
| Max video | 1080p | 4K |
| 4K video frame rate | — | 30 fps |
| Selfie camera | 20 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 4,500 mAh |
| Battery type | Li-Po | — |
| Wired charging | 15 W | 18 W |
| Charged in 30 min | 25% | — |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5 |
| NFC | Yes | No |
| USB | USB Type-C 2.0 | microUSB 2.0 |
| USB version | 2 | — |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Loudspeaker loudness | -30.9 LUFS | — |
| Fingerprint sensor | Under display | Side |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| SAR (head) | 0.49 W/kg | — |
| Software | ||
| OS at launch | Android 10 | Android 10 |
| Platform | Android | Android |
| Interface | One UI 4.1 | Funtouch 10.5 |
