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- Galaxy A Quantum vs Galaxy M51
Samsung Galaxy A Quantum vs Samsung Galaxy M51
What Galaxy A Quantum does better (3) and where Galaxy M51 wins (3) — every spec side by side.
vs
6.6Display6.0
7.5Camera7.5
3.2Battery8.0
7.1Features5.0
Dimensions
Size comparison
Galaxy A QuantumGalaxy M51
| Galaxy A Quantum | Galaxy M51 | Difference | |
|---|---|---|---|
| Height | 162.5 mm | 163.9 mm | −1.4 mm |
| Width | 75.5 mm | 76.3 mm | −0.8 mm |
| Thickness | 8.1 mm | 9.5 mm | −1.4 mm |
| Weight | 185 g | 213 g | −28 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy A Quantum better than Galaxy M51?
- 5GYes · Galaxy M51: No
- Weight185 g vs 213 g+15%
- Thickness8.1 mm vs 9.5 mm+17%
Why is Galaxy M51 better than Galaxy A Quantum?
- Battery capacity4,500 mAh vs 7,000 mAh+56%
- 4K selfie videoNo · Galaxy A Quantum: Yes
- Dual SIMNo · Galaxy A Quantum: Yes
Specifications
Side by side
| Design | ||
| Weight | 185 g | 213 g |
| Thickness | 8.1 mm | 9.5 mm |
| Height | 162.5 mm | 163.9 mm |
| Width | 75.5 mm | 76.3 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Glass protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 3+ |
| Colours | Prism Cube Black, Prism Cube Sliver, Prism Cube Blue | Celestial Black, Electric Blue, White |
| Display | ||
| Screen size | 6.7″ | 6.7″ |
| Panel | Super AMOLED Plus | Super AMOLED Plus |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,400 px | 2,400 px |
| Pixel density | 393 ppi | 393 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | — | 650 nits |
| Measured brightness | — | 677 nits |
| Screen-to-body ratio | 88.3% | 86.7% |
| Performance | ||
| Chipset | Exynos 980, QRNG security chipset | Qualcomm SDM730 Snapdragon 730G |
| Chip maker | Exynos | Qualcomm |
| Process | 8 nm | 8 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.2 GHz | 2.2 GHz |
| GPU | Mali-G76 MP5 | Adreno 618 |
| AnTuTu score | — | 266,620 |
| Geekbench 6 (multi-core) | — | 1,774 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 128 GB | 128 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 2.1 | UFS 2.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 64 MP | 64 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Main sensor size | 1/1.72" | 1/1.73" |
| Rear cameras | 2 | 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 | Yes |
| Battery | ||
| Battery capacity | 4,500 mAh | 7,000 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | 25 W | 25 W |
| Charged in 30 min | — | 35% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | No |
| eSIM | No | No |
| Dual SIM | No | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Loudspeaker loudness | — | -28.5 LUFS |
| Fingerprint sensor | Under display | Side |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| SAR (head) | — | 0.61 W/kg |
| Software | ||
| OS at launch | Android 10 | Android 10 |
| Platform | Android | Android |
| Interface | One UI 2 | One UI 4.1 |









