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- K7 5G vs Galaxy M21s
OPPO K7 5G vs Samsung Galaxy M21s
What K7 5G does better (14) and where Galaxy M21s wins (3) — every spec side by side.
vs
5.1Display5.0
6.8Camera7.5
3.1Battery6.6
7.9Features3.5
Dimensions
Size comparison
K7 5GGalaxy M21s
| K7 5G | Galaxy M21s | Difference | |
|---|---|---|---|
| Height | 160.3 mm | 159.2 mm | +1.1 mm |
| Width | 74.3 mm | 75.1 mm | −0.8 mm |
| Thickness | 8 mm | 8.9 mm | −0.9 mm |
| Weight | 180 g | 191 g | −11 g |
Drawn to the same scale from the official dimensions (front and side).
Why is K7 5G better than Galaxy M21s?
- Wired charging30 W vs 15 W2×
- Storage (max)256 GB vs 128 GB2×
- 5GYes · Galaxy M21s: No
- NFCYes · Galaxy M21s: No
- RAM8 GB vs 6 GB+33%
- Storage (base)128 GB vs 64 GB2×
- Weight180 g vs 191 g+6%
- CPU frequency2.4 GHz vs 2.3 GHz+4%
- Peak brightness430 nits vs 420 nits+2%
- Rear cameras3 vs 2+50%
- Process7 nm vs 10 nm+43%
- Wi-Fi standardWi-Fi 6 vs Wi-Fi 5+20%
Why is Galaxy M21s better than K7 5G?
- Battery capacity4,025 mAh vs 6,000 mAh+49%
- Main camera48 MP vs 64 MP+33%
- Memory card slotNo · K7 5G: Yes
Specifications
Side by side
| Design | ||
| Weight | 180 g | 191 g |
| Thickness | 8 mm | 8.9 mm |
| Height | 160.3 mm | 159.2 mm |
| Width | 74.3 mm | 75.1 mm |
| Frame | Aluminium | Plastic |
| Back | Glass | Plastic |
| Glass protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 3 |
| Colours | Moonlight Black, Pearl White, Blue, Blue/Red | Blue, Black |
| 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 | 2,340 px |
| Pixel density | 411 ppi | 403 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 430 nits | 420 nits |
| Screen-to-body ratio | 83% | 84.1% |
| Performance | ||
| Chipset | Qualcomm SM7250 Snapdragon 765G 5G | Exynos 9611 |
| Chip maker | Qualcomm | Exynos |
| Process | 7 nm | 10 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.4 GHz | 2.3 GHz |
| GPU | Adreno 620 | Mali-G72 MP3 |
| Memory | ||
| RAM | 8 GB | 6 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 | 64 MP |
| Main camera aperture | f/1.7 | f/1.8 |
| Main sensor size | 1/2.0" | 1/1.72" |
| Rear cameras | 3 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | No |
| Max video | 4K | 4K |
| 4K video frame rate | 30 fps | 30 fps |
| Selfie camera | 32 MP | 32 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 4,025 mAh | 6,000 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | 30 W | 15 W |
| Charged in 30 min | 75% | — |
| 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 | No |
| 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 |
| Fingerprint sensor | Under display | Rear |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
| SAR (head) | — | 0.48 W/kg |
| Software | ||
| OS at launch | Android 10 | Android 10 |
| Platform | Android | Android |
| Interface | ColorOS 7 | One UI 2.5 |
