OPPO A40 vs Samsung Galaxy A15 5G
20chipPerformance20
37.6Display35.1
29Camera30.1
53.4Battery43.7
33.3Features54.7
7 spec wins — OPPO A403 spec wins — Samsung Galaxy A15 5G
InnoReviews verdict
This one is close to a dead heat: OPPO A40 scores 33.3 against 33.2 for Samsung Galaxy A15 5G. Pick by the categories that matter to you — OPPO A40 edges ahead in battery and display, or by price.
Which would you pick?
Key differences
Reasons to pick the OPPO A40
- Stronger battery score: 53 vs 44
- 80% higher Wired charging: 45 W vs 25 W
- 50% higher RAM (max): 6 GB vs 4 GB
- 25% higher Peak brightness: 1,000 nits vs 800 nits
Reasons to pick the Samsung Galaxy A15 5G
- Stronger features score: 55 vs 33
- 160% higher Front camera: 13 MP vs 5 MP
- 50% higher Pixel density: 396 ppi vs 264 ppi
- Has 5G — the other doesn't
Display
| Spec | OPPO A40 | Samsung Galaxy A15 5G |
|---|---|---|
| Screen size | 6.67 ″+3% | 6.5 ″ |
| Panel type | LCD | Super AMOLED |
| Resolution | 1604x720 | 2340x1080 |
| Pixel density | 264 ppi | 396 ppi+50% |
| Refresh rate | 90 Hz | 90 Hz |
| Peak brightness | 1,000 nits+25% | 800 nits |
| Screen-to-body | 89.9 % | — |
Performance
| Spec | OPPO A40 | Samsung Galaxy A15 5G |
|---|---|---|
| Chipset | Snapdragon 6s 4G Gen 1 | MediaTek Dimensity 6100+ |
| Geekbench 6 (single) | — | 690Bottom 11% |
| Geekbench 6 (multi) | — | 1,814Bottom 11% |
| RAM (max) | 6 GB+50% | 4 GB |
| Storage options | 128GB | 128GB / 256GB |
| Storage type | eMMC 5.1 | eMMC 5.1 |
Camera
| Spec | OPPO A40 | Samsung Galaxy A15 5G |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | — | 5 MP |
| Max video | 1080p@30fps | 1080p@30fps |
| Front camera | 5 MP | 13 MP+160% |
| OIS | — | No |
Battery
| Spec | OPPO A40 | Samsung Galaxy A15 5G |
|---|---|---|
| Capacity | 5,100 mAh+2% | 5,000 mAh |
| Wired charging | 45 W+80% | 25 W |
Design
| Spec | OPPO A40 | Samsung Galaxy A15 5G |
|---|---|---|
| Weight | 186 g+7% | 200 g |
| Thickness | 7.7 mm+9% | 8.4 mm |
| IP rating | IP54 | — |
| Frame material | — | Plastic |
Connectivity
| Spec | OPPO A40 | Samsung Galaxy A15 5G |
|---|---|---|
| 5G | No | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.0 | 5.3 |
| NFC | Yes | Yes |
| USB | USB-C | USB-C 2.0 |
| eSIM | — | No |
Software
| Spec | OPPO A40 | Samsung Galaxy A15 5G |
|---|---|---|
| OS at launch | Android 14 (ColorOS 14) | Android 14 (One UI 6) |
| OS update pledge | — | 4 years |
Audio
| Spec | OPPO A40 | Samsung Galaxy A15 5G |
|---|---|---|
| Stereo speakers | No | No |
| 3.5mm jack | Yes | Yes |