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- S42 vs Q51
Cat S42 vs LG Q51
What S42 does better (2) and where Q51 wins (10) — every spec side by side.
Dimensions
Size comparison
S42Q51
| S42 | Q51 | Difference | |
|---|---|---|---|
| Height | 161.4 mm | 164.5 mm | −3.1 mm |
| Width | 77.3 mm | 77.5 mm | −0.2 mm |
| Thickness | 12.7 mm | 8.4 mm | +4.3 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is S42 better than Q51?
- Battery capacity4,200 mAh vs 4,000 mAh+5%
- Pixel density293 ppi vs 259 ppi+13%
Why is Q51 better than S42?
- Stereo speakersNo · S42: Yes
- Selfie camera5 MP vs 13 MP2.6×
- CPU cores4 vs 82×
- Rear cameras1 vs 22×
- Ultra-wide cameraNo · S42: Yes
- Screen size5.5″ vs 6.5″+18%
- CPU frequency1.8 GHz vs 2 GHz+11%
- Thickness12.7 mm vs 8.4 mm+51%
- Screen-to-body ratio62.6% vs 82.7%+32%
- Wi-Fi standardWi-Fi 4 vs Wi-Fi 5+25%
Specifications
Side by side
| Design | ||
| Weight | 220 g | — |
| Thickness | 12.7 mm | 8.4 mm |
| Height | 161.4 mm | 164.5 mm |
| Width | 77.3 mm | 77.5 mm |
| Ingress protection | IP69 | — |
| Water resistance (IPx) | IPx9 | — |
| Glass protection | Corning Gorilla Glass 5 | — |
| Colours | Black | Frozen White, Moonlight Titanium |
| Display | ||
| Screen size | 5.5″ | 6.5″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,440 px | 1,520 px |
| Pixel density | 293 ppi | 259 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Screen-to-body ratio | 62.6% | 82.7% |
| Performance | ||
| Chipset | Mediatek MT6761D Helio A20 | Mediatek MT6762 Helio P22 |
| Chip maker | MediaTek | MediaTek |
| Process | 12 nm | 12 nm |
| CPU cores | 4 | 8 |
| CPU frequency | 1.8 GHz | 2 GHz |
| GPU | PowerVR GE8320 | PowerVR GE8320 |
| Memory | ||
| RAM | 3 GB | 3 GB |
| Storage (max) | 32 GB | 32 GB |
| Storage (base) | 32 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 | — |
| Rear cameras | 1 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | Yes |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 5 MP | 13 MP |
| 4K selfie video | — | No |
| Battery | ||
| Battery capacity | 4,200 mAh | 4,000 mAh |
| Battery type | Li-Ion | Li-Po |
| Wireless charging | No | — |
| Connectivity | ||
| 5G | No | — |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 5 |
| Bluetooth | 5 | 5 |
| NFC | Yes | Yes |
| USB | microUSB 2.0 | USB Type-C 2.0 |
| USB version | — | 2 |
| Satellite navigation | GLONASS, BDS | — |
| Features | ||
| Stereo speakers | No | Yes |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | — | Rear |
| Sensors | Accelerometer, proximity, compass | Fingerprint (rear-mounted), accelerometer, proximity, compass |
| Software | ||
| OS at launch | Android 10 | Android 10 |
| Platform | Android | Android |
