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- Galaxy A51 vs Redmi 7
Samsung Galaxy A51 vs Xiaomi Redmi 7
What Galaxy A51 does better (25) and where Redmi 7 wins (1) — every spec side by side.
vs
5.0Display2.2
2.6Performance2.1
8.1Camera3.2
2.6Battery2.4
5.0Features2.4
Dimensions
Size comparison
Galaxy A51Redmi 7
| Galaxy A51 | Redmi 7 | Difference | |
|---|---|---|---|
| Height | 158.5 mm | 158.7 mm | −0.2 mm |
| Width | 73.6 mm | 75.6 mm | −2 mm |
| Thickness | 7.9 mm | 8.5 mm | −0.6 mm |
| Weight | 172 g | 180 g | −8 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy A51 better than Redmi 7?
- Main camera48 MP vs 12 MP4×
- AnTuTu score352,699 vs 243,691+45%
- Wired charging15 W vs 10 W+50%
- OLED panelYes · Redmi 7: No
- Storage (max)128 GB vs 64 GB2×
- Optical stabilisationYes · Redmi 7: No
- NFCYes · Redmi 7: No
- Pixel density407 ppi vs 269 ppi+51%
- Measured brightness635 nits vs 437 nits+45%
- Storage (base)128 GB vs 16 GB8×
- Selfie camera32 MP vs 8 MP4×
- CPU frequency2.3 GHz vs 1.8 GHz+28%
Why is Redmi 7 better than Galaxy A51?
- Geekbench 6 (multi-core)1,204 vs 1,531+27%
Specifications
Side by side
| Design | ||
| Weight | 172 g | 180 g |
| Thickness | 7.9 mm | 8.5 mm |
| Height | 158.5 mm | 158.7 mm |
| Width | 73.6 mm | 75.6 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Glass protection | Gorilla Glass 3 | Gorilla Glass 5 |
| Colours | White, Black | Black, Blue |
| Display | ||
| Screen size | 6.5″ | 6.3″ |
| Panel | AMOLED | IPS |
| OLED panel | Yes | No |
| Resolution (width) | 1,080 px | 720 px |
| Resolution (height) | 2,400 px | 1,520 px |
| Pixel density | 407 ppi | 269 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 400 nits | 350 nits |
| Measured brightness | 635 nits | 437 nits |
| Screen-to-body ratio | 87.4% | 80.8% |
| Performance | ||
| Chipset | Samsung Exynos 9611 | Qualcomm Snapdragon 632 |
| Chip maker | Samsung | Qualcomm |
| Process | 10 nm | 14 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.3 GHz | 1.8 GHz |
| GPU | Mali G72 MP3 | Adreno 506 |
| AnTuTu score | 352,699 | 243,691 |
| Geekbench 6 (multi-core) | 1,204 | 1,531 |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Storage (max) | 128 GB | 64 GB |
| Storage (base) | 128 GB | 16 GB |
| Storage type | UFS 2.0 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 48 MP | 12 MP |
| Main camera aperture | f/2 | f/2.2 |
| Main sensor size | 1/2" | 1/2.9" |
| Rear cameras | 4 | 2 |
| Optical stabilisation | Yes | No |
| Ultra-wide camera | Yes | No |
| Telephoto camera | No | No |
| Max video | 4K | 1080p |
| 4K video frame rate | 30 fps | — |
| Selfie camera | 32 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 4,000 mAh | 4,000 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | 15 W | 10 W |
| Charged in 30 min | 34% | — |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 4 |
| Bluetooth | 5 | 4.2 |
| NFC | Yes | No |
| USB | USB Type-C | microUSB |
| USB version | 2 | 2 |
| Infrared port | — | Yes |
| Satellite navigation | GPS, GLONASS, GALILEO, BDS | GPS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Under display | Rear |
| Sensors | proximity, accelerometer, gyro, light, fingerprint | proximity, accelerometer, compass, fingerprint |
| SAR (head) | 0.6 W/kg | 0.56 W/kg |
| Software | ||
| OS at launch | Android 10 | Android 9.0 Pie |
| Platform | Android | Android |
| Interface | One UI 2 | Miui V10 |









