OnePlus 15 vs Samsung Galaxy A18 4G
The OnePlus 15 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Samsung Galaxy A18 4G (2026) runs on the Exynos 1610; launch prices were $799 and $325. By overall MobileRank rating, the OnePlus 15 leads — 86/100 vs 46/100 (a 40-point difference). Key differences: the OnePlus 15 has the bigger battery (6500 mAh vs 5000); the Samsung Galaxy A18 4G is noticeably lighter (196g vs 213g).
Profile comparison
Category scores
OnePlus 15
Samsung Galaxy A18 4G
What makes OnePlus 15 better?
- Bigger battery: 6500 vs 5000 mAh
- Faster charging: 120W vs 25W
- Higher refresh rate: 120Hz vs 90Hz
- Better camera (78/100 vs 33/100)
- Longer battery life (89/100 vs 44/100)
- Better display (84/100 vs 67/100)
What makes Samsung Galaxy A18 4G better?
- Lighter: 196g vs 213g
- Cheaper at launch: $325 vs $799
- Better portability (65/100 vs 50/100)
Comparison verdict
Comparing the OnePlus 15 vs the Samsung Galaxy A18 4G, the OnePlus 15 scores 40 points higher (86/100 vs 46/100). In the "camera" category, the OnePlus 15 leads (78/100 vs 33/100). In the "battery" category, the OnePlus 15 leads (89/100 vs 44/100). Value score: OnePlus 15 — 86/100, Samsung Galaxy A18 4G — 28/100; 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 "display" category, the OnePlus 15 notably outperforms the Samsung Galaxy A18 4G (84/100 vs 67/100). In the "camera" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A18 4G (78/100 vs 33/100). In the "battery" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A18 4G (89/100 vs 44/100). In the "portability" category, the Samsung Galaxy A18 4G notably outperforms the OnePlus 15 (65/100 vs 50/100).
Specs comparison
| Specification | OnePlus 15 | Samsung Galaxy A18 4G | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Exynos 1610 | |
| AnTuTu | 3606149 | — | |
| Geekbench Single | 3639 | — | |
| Geekbench Multi | 11047 | — | |
| Display | 6.8" AMOLED | 6.7" Super AMOLED | |
| Resolution | 1272x2772 | 1080x2340 | |
| Refresh rate | 120 Hz | 90 Hz | |
| Battery | 6500 mAh | 5000 mAh | |
| Charging | 120W | 25W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 5 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 13 MP | |
| RAM | 12GB / 16GB | 4GB | |
| Storage | 256GB / 512GB | 64GB / 128GB / 256GB | |
| OS | Android 16, OxygenOS 16 (Global), ColorOS 16 (China) | Android 17 | |
| Brightness (peak) | 1800 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP64 | |
| Dimensions | 161.4×76.7×8.1 mm | 164.4×77.9×7.7 mm | |
| Weight | 213 g | 196 g | |
| Launch price | $799 | $325 |
Camera comparison
OnePlus 15
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Samsung Galaxy A18 4G
- Main: 50MP f/1.8
- Ultrawide: 5MP
- Front: 13MP
Display comparison
OnePlus 15
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 120 Hz
Samsung Galaxy A18 4G
- 6.7" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: 90 Hz
Battery and charging
OnePlus 15
- 6500 mAh
- Wired: 120W
- Wireless: 50W
Samsung Galaxy A18 4G
- 5000 mAh
- Wired: 25W
- No wireless charging
Benchmarks
Launch prices and where to check today's
Launch price difference: $474. Samsung Galaxy A18 4G was $474 cheaper at launch.
Detailed category analysis
display
In the "display" category, the OnePlus 15 notably outperforms the Samsung Galaxy A18 4G (84/100 vs 67/100).
camera
In the "camera" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A18 4G (78/100 vs 33/100).
battery
In the "battery" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A18 4G (89/100 vs 44/100).
portability
In the "portability" category, the Samsung Galaxy A18 4G notably outperforms the OnePlus 15 (65/100 vs 50/100).
Frequently asked questions
Which is better: the OnePlus 15 or the Samsung Galaxy A18 4G?
The OnePlus 15 significantly outperforms the Samsung Galaxy A18 4G by 40 points (86/100 vs 46/100).
What is the rating of the OnePlus 15 and the Samsung Galaxy A18 4G?
The OnePlus 15 has a MobileRank rating of 86/100, the Samsung Galaxy A18 4G — 46/100.
Which has the better camera: the OnePlus 15 or the Samsung Galaxy A18 4G?
The OnePlus 15 leads on camera score (78/100 vs 33/100).
Should you choose the OnePlus 15 over the Samsung Galaxy A18 4G?
The OnePlus 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.