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- K51S vs Reno4 5G
LG K51S vs OPPO Reno4 5G
What K51S does better (2) and where Reno4 5G wins (15) — every spec side by side.
Dimensions
Size comparison
K51SReno4 5G
| K51S | Reno4 5G | Difference | |
|---|---|---|---|
| Height | 165.2 mm | 159.3 mm | +5.9 mm |
| Width | 76.7 mm | 74 mm | +2.7 mm |
| Thickness | 8.3 mm | 7.8 mm | +0.5 mm |
| Weight | 194 g | 183 g | +12 g |
Drawn to the same scale from the official dimensions (front and side).
Why is K51S better than Reno4 5G?
- Memory card slotYes · Reno4 5G: No
- 3.5 mm headphone jackYes · Reno4 5G: No
Why is Reno4 5G better than K51S?
- RAM3 GB vs 8 GB2.7×
- Storage (max)64 GB vs 256 GB4×
- Main camera32 MP vs 48 MP+50%
- OLED panelNo · K51S: Yes
- Pixel density282 ppi vs 409 ppi+45%
- Selfie camera13 MP vs 32 MP2.5×
- Storage (base)64 GB vs 128 GB2×
- Max video1080p vs 4K
- Weight194 g vs 183 g+6%
- Process12 nm vs 7 nm+71%
- CPU frequency2.3 GHz vs 2.4 GHz+4%
- Resolution (width)720 px vs 1,080 px+50%
Specifications
Side by side
| Design | ||
| Weight | 194 g | 183 g |
| Thickness | 8.3 mm | 7.8 mm |
| Height | 165.2 mm | 159.3 mm |
| Width | 76.7 mm | 74 mm |
| Frame | — | Aluminium |
| Back | — | Glass |
| Glass protection | Scratch-resistant glass | Corning Gorilla Glass 5 |
| Colours | Titanium, Pink, Blue, Red | Galactic Blue, Space Black, Purple |
| Display | ||
| Screen size | 6.6″ | 6.4″ |
| Panel | IPS LCD | AMOLED |
| OLED panel | No | Yes |
| Resolution (width) | 720 px | 1,080 px |
| Resolution (height) | 1,600 px | 2,400 px |
| Pixel density | 282 ppi | 409 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | — | 430 nits |
| Screen-to-body ratio | 73.8% | 84.7% |
| Performance | ||
| Chipset | Mediatek MT6765 Helio P35 | Qualcomm SM7250 Snapdragon 765G 5G |
| Chip maker | MediaTek | Qualcomm |
| Process | 12 nm | 7 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.3 GHz | 2.4 GHz |
| GPU | PowerVR GE8320 | Adreno 620 |
| Memory | ||
| RAM | 3 GB | 8 GB |
| Storage (max) | 64 GB | 256 GB |
| Storage (base) | 64 GB | 128 GB |
| Storage type | eMMC 5.1 | UFS 2.1 |
| Memory card slot | Yes | No |
| Camera | ||
| Main camera | 32 MP | 48 MP |
| Main camera aperture | — | f/1.7 |
| 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 | 4K |
| 4K video frame rate | — | 30 fps |
| Selfie camera | 13 MP | 32 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 4,000 mAh | 4,000 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | — | 65 W |
| Charged in 30 min | — | 120% |
| Wireless charging | — | No |
| Connectivity | ||
| 5G | — | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 5 |
| Bluetooth | 5 | 5.1 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Dual-band GPS | — | Yes |
| Satellite navigation | — | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | No |
| Fingerprint sensor | Rear | Under display |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Software | ||
| OS at launch | Android 9.0 (Pie) | Android 10 |
| Platform | Android | Android |
| Interface | — | ColorOS 7.2 |






