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- Q51 vs Galaxy A31
LG Q51 vs Samsung Galaxy A31
What Q51 does better (2) and where Galaxy A31 wins (10) — every spec side by side.
vs
2.5Display5.7
5.4Camera6.2
7.8Features5.0
Dimensions
Size comparison
Q51Galaxy A31
| Q51 | Galaxy A31 | Difference | |
|---|---|---|---|
| Height | 164.5 mm | 159.3 mm | +5.2 mm |
| Width | 77.5 mm | 73.1 mm | +4.4 mm |
| Thickness | 8.4 mm | 8.6 mm | −0.2 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Q51 better than Galaxy A31?
- Stereo speakersYes · Galaxy A31: No
- Thickness8.4 mm vs 8.6 mm+2%
Why is Galaxy A31 better than Q51?
- RAM3 GB vs 8 GB2.7×
- Main camera13 MP vs 48 MP3.7×
- Storage (max)32 GB vs 128 GB4×
- Battery capacity4,000 mAh vs 5,000 mAh+25%
- OLED panelNo · Q51: Yes
- Pixel density259 ppi vs 411 ppi+59%
- Storage (base)32 GB vs 64 GB2×
- Selfie camera13 MP vs 20 MP+54%
- Resolution (width)720 px vs 1,080 px+50%
- Screen-to-body ratio82.7% vs 84.9%+3%
Specifications
Side by side
| Design | ||
| Weight | — | 185 g |
| Thickness | 8.4 mm | 8.6 mm |
| Height | 164.5 mm | 159.3 mm |
| Width | 77.5 mm | 73.1 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Colours | Frozen White, Moonlight Titanium | Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White |
| Display | ||
| Screen size | 6.5″ | 6.4″ |
| Panel | IPS LCD | Super AMOLED |
| OLED panel | No | Yes |
| Resolution (width) | 720 px | 1,080 px |
| Resolution (height) | 1,520 px | 2,400 px |
| Pixel density | 259 ppi | 411 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | — | 600 nits |
| Measured brightness | — | 635 nits |
| Screen-to-body ratio | 82.7% | 84.9% |
| Performance | ||
| Chipset | Mediatek MT6762 Helio P22 | Mediatek MT6768 Helio P65 |
| Chip maker | MediaTek | MediaTek |
| Process | 12 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2 GHz | 2 GHz |
| GPU | PowerVR GE8320 | Mali-G52 MC2 |
| AnTuTu score | — | 151,815 |
| Geekbench 6 (multi-core) | — | 5,096 |
| Memory | ||
| RAM | 3 GB | 8 GB |
| Storage (max) | 32 GB | 128 GB |
| Storage (base) | 32 GB | 64 GB |
| Storage type | eMMC 5.1 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 13 MP | 48 MP |
| Main camera aperture | — | f/2 |
| Main sensor size | — | 1/2.0" |
| Rear cameras | 2 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 13 MP | 20 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 4,000 mAh | 5,000 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | — | 15 W |
| Charged in 30 min | — | 25% |
| Wireless charging | — | No |
| Connectivity | ||
| 5G | — | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | — | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | Yes | No |
| 3.5 mm headphone jack | Yes | Yes |
| Loudspeaker loudness | — | -30.9 LUFS |
| Fingerprint sensor | Rear | Under display |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, compass |
| SAR (head) | — | 0.49 W/kg |
| Software | ||
| OS at launch | Android 10 | Android 10 |
| Platform | Android | Android |
| Interface | — | One UI 4.1 |
