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- A3 4G vs Galaxy M15
OPPO A3 4G vs Samsung Galaxy M15
What A3 4G does better (6) and where Galaxy M15 wins (11) — every spec side by side.
vs
5.3Display6.7
4.1Camera6.2
7.7Battery7.5
4.5Features7.4
Dimensions
Size comparison
A3 4GGalaxy M15
| A3 4G | Galaxy M15 | Difference | |
|---|---|---|---|
| Height | 165.8 mm | 160.1 mm | +5.7 mm |
| Width | 76.1 mm | 76.8 mm | −0.7 mm |
| Thickness | 7.7 mm | 9.3 mm | −1.6 mm |
| Weight | 186 g | 217 g | −31 g |
Drawn to the same scale from the official dimensions (front and side).
Why is A3 4G better than Galaxy M15?
- Wired charging45 W vs 25 W+80%
- Peak brightness1,000 nits vs 800 nits+25%
- Weight186 g vs 217 g+17%
- Screen size6.7″ vs 6.5″+3%
- Thickness7.7 mm vs 9.3 mm+21%
- Charged in 30 min50% vs 45%+11%
Why is Galaxy M15 better than A3 4G?
- OLED panelNo · A3 4G: Yes
- 5GNo · A3 4G: Yes
- Battery capacity5,100 mAh vs 6,000 mAh+18%
- Pixel density264 ppi vs 396 ppi+50%
- Selfie camera5 MP vs 13 MP2.6×
- Rear cameras1 vs 22×
- Ultra-wide cameraNo · A3 4G: Yes
- Process11 nm vs 6 nm+83%
- CPU frequency2.1 GHz vs 2.2 GHz+5%
- Resolution (width)720 px vs 1,080 px+50%
- Bluetooth5 vs 5.3+6%
Specifications
Side by side
| Design | ||
| Weight | 186 g | 217 g |
| Thickness | 7.7 mm | 9.3 mm |
| Height | 165.8 mm | 160.1 mm |
| Width | 76.1 mm | 76.8 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Ingress protection | IP54 | — |
| Water resistance (IPx) | IPx4 | — |
| Glass protection | Panda glass | — |
| Colours | Sparkle Black, Starry Purple, Starlight White | Light Blue, Dark Blue, Gray |
| Display | ||
| Screen size | 6.7″ | 6.5″ |
| Panel | IPS LCD | Super AMOLED |
| OLED panel | No | Yes |
| Resolution (width) | 720 px | 1,080 px |
| Resolution (height) | 1,604 px | 2,340 px |
| Pixel density | 264 ppi | 396 ppi |
| Refresh rate | 90 Hz | 90 Hz |
| Peak brightness | 1,000 nits | 800 nits |
| Measured brightness | — | 678 nits |
| Screen-to-body ratio | 85% | 84.3% |
| Performance | ||
| Chipset | Qualcomm SM-6115 Snapdragon 6s 4G Gen1 | Mediatek Dimensity 6100+ |
| Chip maker | Qualcomm | MediaTek |
| Process | 11 nm | 6 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.1 GHz | 2.2 GHz |
| GPU | Adreno 610 | Mali-G57 MC2 |
| AnTuTu score | — | 477,416 |
| Geekbench 6 (multi-core) | — | 1,884 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | eMMC 5.1 | UFS 2.2 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| 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 | 13 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,100 mAh | 6,000 mAh |
| Battery type | — | Li-Ion |
| Wired charging | 45 W | 25 W |
| Charged in 30 min | 50% | 45% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5.3 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, compass |
| SAR (head) | — | 0.78 W/kg |
| Software | ||
| OS at launch | Android 14 | Android 14 |
| Platform | Android | Android |
| Interface | ColorOS 16 | One UI 8.5 |
| Major OS updates promised | — | 4 |
