OnePlus 15 vs Samsung Galaxy A40
The OnePlus 15 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Samsung Galaxy A40 (2019) runs on the Samsung Exynos 7904; launch prices were $799 and $250. By overall MobileRank rating, the OnePlus 15 leads — 86/100 vs 25/100 (a 61-point difference). Key differences: the OnePlus 15 has the bigger battery (6500 mAh vs 3100); the main camera is 50 MP vs 16 MP; the OnePlus 15 is faster in AnTuTu (3,606,149 vs 257,901); the Samsung Galaxy A40 is noticeably lighter (140g vs 213g).
Profile comparison
Category scores
OnePlus 15
Samsung Galaxy A40
What makes OnePlus 15 better?
- Higher AnTuTu: 3606149 vs 257901
- Better Geekbench Single: 3639 vs 330
- Better Geekbench Multi: 11047 vs 975
- Bigger battery: 6500 vs 3100 mAh
- Better main camera: 50MP vs 16MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (97/100 vs 19/100)
- Better camera (78/100 vs 17/100)
- Longer battery life (89/100 vs 12/100)
- Better display (84/100 vs 51/100)
What makes Samsung Galaxy A40 better?
- Lighter: 140g vs 213g
- Cheaper at launch: $250 vs $799
- Better portability (84/100 vs 50/100)
Comparison verdict
Comparing the OnePlus 15 vs the Samsung Galaxy A40, the OnePlus 15 scores 61 points higher (86/100 vs 25/100). In the "performance" category, the OnePlus 15 leads (97/100 vs 19/100). In the "camera" category, the OnePlus 15 leads (78/100 vs 17/100). In the "battery" category, the OnePlus 15 leads (89/100 vs 12/100). Value score: OnePlus 15 — 86/100, Samsung Galaxy A40 — 0/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A40 (97/100 vs 19/100). In the "display" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A40 (84/100 vs 51/100). In the "camera" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A40 (78/100 vs 17/100). In the "battery" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A40 (89/100 vs 12/100). In the "portability" category, the Samsung Galaxy A40 significantly outperforms the OnePlus 15 (84/100 vs 50/100).
Specs comparison
| Specification | OnePlus 15 | Samsung Galaxy A40 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Samsung Exynos 7904 | |
| AnTuTu | 3606149 | 257901 | |
| Geekbench Single | 3639 | 330 | |
| Geekbench Multi | 11047 | 975 | |
| Display | 6.8" AMOLED | 5.9" AMOLED | |
| Resolution | 1272x2772 | — | |
| Refresh rate | 120 Hz | 60 Hz | |
| Battery | 6500 mAh | 3100 mAh | |
| Charging | 120W | — | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 16 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 25 MP | |
| RAM | 12GB / 16GB | 4GB | |
| Storage | 256GB / 512GB | 64GB | |
| OS | Android 16, OxygenOS 16 (Global), ColorOS 16 (China) | — | |
| Brightness (peak) | 1800 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 161.4×76.7×8.1 mm | 144.4×69.2×7.9 mm | |
| Weight | 213 g | 140 g | |
| Launch price | $799 | $250 |
Camera comparison
OnePlus 15
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Samsung Galaxy A40
- Main: 16MP
- Front: 25MP
Display comparison
OnePlus 15
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 120 Hz
Samsung Galaxy A40
- 5.9" AMOLED
- Refresh rate: 60 Hz
Battery and charging
OnePlus 15
- 6500 mAh
- Wired: 120W
- Wireless: 50W
Samsung Galaxy A40
- 3100 mAh
- No wireless charging
Overall performance score
We compared OnePlus 15 and Samsung Galaxy A40, covering their specs and all relevant benchmarks.
OnePlus 15 leads Samsung Galaxy A40 by 1298.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $549. Samsung Galaxy A40 was $549 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A40 (97/100 vs 19/100).
display
In the "display" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A40 (84/100 vs 51/100).
camera
In the "camera" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A40 (78/100 vs 17/100).
battery
In the "battery" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A40 (89/100 vs 12/100).
portability
In the "portability" category, the Samsung Galaxy A40 significantly outperforms the OnePlus 15 (84/100 vs 50/100).
Frequently asked questions
Which is better: the OnePlus 15 or the Samsung Galaxy A40?
The OnePlus 15 significantly outperforms the Samsung Galaxy A40 by 61 points (86/100 vs 25/100).
What is the rating of the OnePlus 15 and the Samsung Galaxy A40?
The OnePlus 15 has a MobileRank rating of 86/100, the Samsung Galaxy A40 — 25/100.
Which has the better camera: the OnePlus 15 or the Samsung Galaxy A40?
The OnePlus 15 leads on camera score (78/100 vs 17/100).
Which is more powerful: the OnePlus 15 or the Samsung Galaxy A40?
The OnePlus 15 leads on performance (97/100 vs 19/100).
Should you choose the OnePlus 15 over the Samsung Galaxy A40?
The OnePlus 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.