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- K7 5G vs Galaxy A31
OPPO K7 5G vs Samsung Galaxy A31
What K7 5G does better (14) and where Galaxy A31 wins (4) — every spec side by side.
vs
5.1Display5.7
6.8Camera6.2
3.1Battery4.0
7.9Features5.0
Dimensions
Size comparison
K7 5GGalaxy A31
| K7 5G | Galaxy A31 | Difference | |
|---|---|---|---|
| Height | 160.3 mm | 159.3 mm | +1 mm |
| Width | 74.3 mm | 73.1 mm | +1.2 mm |
| Thickness | 8 mm | 8.6 mm | −0.6 mm |
| Weight | 180 g | 185 g | −5 g |
Drawn to the same scale from the official dimensions (front and side).
Why is K7 5G better than Galaxy A31?
- Wired charging30 W vs 15 W2×
- Storage (max)256 GB vs 128 GB2×
- 5GYes · Galaxy A31: No
- Charged in 30 min75% vs 25%3×
- Storage (base)128 GB vs 64 GB2×
- Max video4K vs 1080p
- CPU frequency2.4 GHz vs 2 GHz+20%
- Process7 nm vs 12 nm+71%
- Weight180 g vs 185 g+3%
- Selfie camera32 MP vs 20 MP+60%
- Rear cameras3 vs 2+50%
- Wi-Fi standardWi-Fi 6 vs Wi-Fi 5+20%
Why is Galaxy A31 better than K7 5G?
- Battery capacity4,025 mAh vs 5,000 mAh+24%
- Peak brightness430 nits vs 600 nits+40%
- Memory card slotNo · K7 5G: Yes
- Screen-to-body ratio83% vs 84.9%+2%
Specifications
Side by side
| Design | ||
| Weight | 180 g | 185 g |
| Thickness | 8 mm | 8.6 mm |
| Height | 160.3 mm | 159.3 mm |
| Width | 74.3 mm | 73.1 mm |
| Frame | Aluminium | Plastic |
| Back | Glass | Plastic |
| Glass protection | Corning Gorilla Glass 5 | — |
| Colours | Moonlight Black, Pearl White, Blue, Blue/Red | Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White |
| Display | ||
| Screen size | 6.4″ | 6.4″ |
| Panel | AMOLED | Super AMOLED |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,400 px | 2,400 px |
| Pixel density | 411 ppi | 411 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 430 nits | 600 nits |
| Measured brightness | — | 635 nits |
| Screen-to-body ratio | 83% | 84.9% |
| Performance | ||
| Chipset | Qualcomm SM7250 Snapdragon 765G 5G | Mediatek MT6768 Helio P65 |
| Chip maker | Qualcomm | MediaTek |
| Process | 7 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.4 GHz | 2 GHz |
| GPU | Adreno 620 | Mali-G52 MC2 |
| AnTuTu score | — | 151,815 |
| Geekbench 6 (multi-core) | — | 5,096 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 256 GB | 128 GB |
| Storage (base) | 128 GB | 64 GB |
| Storage type | UFS 2.1 | eMMC 5.1 |
| Memory card slot | No | Yes |
| Camera | ||
| Main camera | 48 MP | 48 MP |
| Main camera aperture | f/1.7 | f/2 |
| Main sensor size | 1/2.0" | 1/2.0" |
| Rear cameras | 3 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | No |
| Max video | 4K | 1080p |
| 4K video frame rate | 30 fps | — |
| Selfie camera | 32 MP | 20 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 4,025 mAh | 5,000 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | 30 W | 15 W |
| Charged in 30 min | 75% | 25% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | 5.1 | 5 |
| 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 | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Loudspeaker loudness | — | -30.9 LUFS |
| Fingerprint sensor | Under display | Under display |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, 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 | ColorOS 7 | One UI 4.1 |
