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- 3 (2019) vs Galaxy A51
alcatel 3 (2019) vs Samsung Galaxy A51
What 3 (2019) does better (1) and where Galaxy A51 wins (18) — every spec side by side.
vs
2.9Display5.0
3.4Camera8.1
5.6Features5.0
Dimensions
Size comparison
3 (2019)Galaxy A51
| 3 (2019) | Galaxy A51 | Difference | |
|---|---|---|---|
| Height | 151.1 mm | 158.5 mm | −7.4 mm |
| Width | 69.7 mm | 73.6 mm | −3.9 mm |
| Thickness | 8 mm | 7.9 mm | +0.1 mm |
| Weight | 145 g | 172 g | −27 g |
Drawn to the same scale from the official dimensions (front and side).
Why is 3 (2019) better than Galaxy A51?
- Weight145 g vs 172 g+19%
Why is Galaxy A51 better than 3 (2019)?
- Main camera13 MP vs 48 MP3.7×
- OLED panelNo · 3 (2019): Yes
- Storage (max)64 GB vs 128 GB2×
- Optical stabilisationNo · 3 (2019): Yes
- Battery capacity3,500 mAh vs 4,000 mAh+14%
- Storage (base)32 GB vs 128 GB4×
- Rear cameras1 vs 44×
- Selfie camera8 MP vs 32 MP4×
- Pixel density289 ppi vs 407 ppi+41%
- Ultra-wide cameraNo · 3 (2019): Yes
- Max video1080p vs 4K
- CPU frequency1.95 GHz vs 2.3 GHz+18%
Specifications
Side by side
| Design | ||
| Weight | 145 g | 172 g |
| Thickness | 8 mm | 7.9 mm |
| Height | 151.1 mm | 158.5 mm |
| Width | 69.7 mm | 73.6 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Glass protection | Asahi Dragontrail Glass | Gorilla Glass 3 |
| Colours | Blue-purple gradient, Black-blue gradien | White, Black |
| Display | ||
| Screen size | 5.9″ | 6.5″ |
| Panel | IPS LCD | AMOLED |
| OLED panel | No | Yes |
| Resolution (width) | 720 px | 1,080 px |
| Resolution (height) | 1,560 px | 2,400 px |
| Pixel density | 289 ppi | 407 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | — | 400 nits |
| Measured brightness | — | 635 nits |
| Screen-to-body ratio | 82.2% | 87.4% |
| Performance | ||
| Chipset | Qualcomm SDM439 Snapdragon 439 | Samsung Exynos 9611 |
| Chip maker | Qualcomm | Samsung |
| Process | 12 nm | 10 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.95 GHz | 2.3 GHz |
| GPU | Adreno 505 | Mali G72 MP3 |
| AnTuTu score | — | 352,699 |
| Geekbench 6 (multi-core) | — | 1,204 |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Storage (max) | 64 GB | 128 GB |
| Storage (base) | 32 GB | 128 GB |
| Storage type | eMMC 5.1 | UFS 2.0 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 13 MP | 48 MP |
| Main camera aperture | f/2 | f/2 |
| Main sensor size | 1/3.1" | 1/2" |
| Rear cameras | 1 | 4 |
| Optical stabilisation | No | Yes |
| Ultra-wide camera | No | Yes |
| Telephoto camera | No | No |
| Max video | 1080p | 4K |
| 4K video frame rate | — | 30 fps |
| Selfie camera | 8 MP | 32 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 3,500 mAh | 4,000 mAh |
| Battery type | Li-Ion | Li-Po |
| Wired charging | — | 15 W |
| Charged in 30 min | — | 34% |
| Wireless charging | — | No |
| Connectivity | ||
| 5G | — | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 5 |
| Bluetooth | 4.2 | 5 |
| NFC | Yes | Yes |
| USB | microUSB 2.0 | USB Type-C |
| USB version | — | 2 |
| Satellite navigation | GLONASS, GALILEO | GPS, GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Rear | Under display |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | proximity, accelerometer, gyro, light, fingerprint |
| SAR (head) | — | 0.6 W/kg |
| Software | ||
| OS at launch | Android 8.1 (Oreo) | Android 10 |
| Platform | Android | Android |
| Interface | — | One UI 2 |









