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- Galaxy A02 vs Galaxy A31
Samsung Galaxy A02 vs Samsung Galaxy A31
What Galaxy A02 does better (1) and where Galaxy A31 wins (18) — every spec side by side.
vs
3.4Display5.7
2.7Camera6.2
5.6Battery4.0
2.4Features5.0
Dimensions
Size comparison
Galaxy A02Galaxy A31
| Galaxy A02 | Galaxy A31 | Difference | |
|---|---|---|---|
| Height | 164 mm | 159.3 mm | +4.7 mm |
| Width | 75.9 mm | 73.1 mm | +2.8 mm |
| Thickness | 9.1 mm | 8.6 mm | +0.5 mm |
| Weight | 206 g | 185 g | +21 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy A02 better than Galaxy A31?
- Main camera aperturef/1.9 vs f/2+5%
Why is Galaxy A31 better than Galaxy A02?
- Main camera13 MP vs 48 MP3.7×
- RAM4 GB vs 8 GB2×
- OLED panelNo · Galaxy A02: Yes
- Storage (max)64 GB vs 128 GB2×
- NFCNo · Galaxy A02: Yes
- Pixel density270 ppi vs 411 ppi+52%
- Selfie camera5 MP vs 20 MP4×
- Process28 nm vs 12 nm2.3×
- CPU frequency1.5 GHz vs 2 GHz+33%
- CPU cores4 vs 82×
- Storage (base)32 GB vs 64 GB2×
- Rear cameras1 vs 22×
Specifications
Side by side
| Design | ||
| Weight | 206 g | 185 g |
| Thickness | 9.1 mm | 8.6 mm |
| Height | 164 mm | 159.3 mm |
| Width | 75.9 mm | 73.1 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Glass protection | Corning Gorilla Glass 3 | — |
| Colours | Black, Blue | Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White |
| Display | ||
| Screen size | 6.5″ | 6.4″ |
| Panel | PLS LCD | Super AMOLED |
| OLED panel | No | Yes |
| Resolution (width) | 720 px | 1,080 px |
| Resolution (height) | 1,600 px | 2,400 px |
| Pixel density | 270 ppi | 411 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | — | 600 nits |
| Measured brightness | — | 635 nits |
| Screen-to-body ratio | 81.9% | 84.9% |
| Performance | ||
| Chipset | Mediatek MT6739W | Mediatek MT6768 Helio P65 |
| Chip maker | MediaTek | MediaTek |
| Process | 28 nm | 12 nm |
| CPU cores | 4 | 8 |
| CPU frequency | 1.5 GHz | 2 GHz |
| GPU | PowerVR GE8100 | Mali-G52 MC2 |
| AnTuTu score | — | 151,815 |
| Geekbench 6 (multi-core) | — | 5,096 |
| Memory | ||
| RAM | 4 GB | 8 GB |
| Storage (max) | 64 GB | 128 GB |
| Storage (base) | 32 GB | 64 GB |
| Storage type | eMMC 5.1 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 13 MP | 48 MP |
| Main camera aperture | f/1.9 | f/2 |
| Main sensor size | — | 1/2.0" |
| Rear cameras | 1 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | Yes |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 5 MP | 20 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 5,000 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | — | 15 W |
| Charged in 30 min | — | 25% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 5 |
| Bluetooth | 5.1 | 5 |
| NFC | No | Yes |
| USB | microUSB 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Loudspeaker loudness | — | -30.9 LUFS |
| Fingerprint sensor | — | Under display |
| Sensors | Accelerometer | Fingerprint (under display, optical), accelerometer, gyro, compass |
| SAR (head) | 0.65 W/kg | 0.49 W/kg |
| Software | ||
| OS at launch | Android 10 | Android 10 |
| Platform | Android | Android |
| Interface | One UI Core 3.1 | One UI 4.1 |
