OnePlus 15 vs Samsung Galaxy A20
The OnePlus 15 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Samsung Galaxy A20 (2019) runs on the Samsung Exynos 7884; launch prices were $799 and $190. By overall MobileRank rating, the OnePlus 15 leads — 86/100 vs 19/100 (a 67-point difference). Key differences: the OnePlus 15 has the bigger battery (6500 mAh vs 4000); the main camera is 50 MP vs 13 MP; the Samsung Galaxy A20 is noticeably lighter (169g vs 213g).
Profile comparison
Category scores
OnePlus 15
Samsung Galaxy A20
What makes OnePlus 15 better?
- Better Geekbench Single: 3639 vs 254
- Better Geekbench Multi: 11047 vs 802
- Bigger battery: 6500 vs 4000 mAh
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (97/100 vs 2/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (89/100 vs 25/100)
- Better display (84/100 vs 51/100)
What makes Samsung Galaxy A20 better?
- Lighter: 169g vs 213g
- Cheaper at launch: $190 vs $799
- Better portability (79/100 vs 50/100)
Comparison verdict
Comparing the OnePlus 15 vs the Samsung Galaxy A20, the OnePlus 15 scores 67 points higher (86/100 vs 19/100). In the "performance" category, the OnePlus 15 leads (97/100 vs 2/100). In the "camera" category, the OnePlus 15 leads (78/100 vs 10/100). In the "battery" category, the OnePlus 15 leads (89/100 vs 25/100). Value score: OnePlus 15 — 86/100, Samsung Galaxy A20 — 2/100; 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 A20 (97/100 vs 2/100). In the "display" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A20 (84/100 vs 51/100). In the "camera" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A20 (78/100 vs 10/100). In the "battery" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A20 (89/100 vs 25/100). In the "portability" category, the Samsung Galaxy A20 notably outperforms the OnePlus 15 (79/100 vs 50/100).
Specs comparison
| Specification | OnePlus 15 | Samsung Galaxy A20 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Samsung Exynos 7884 | |
| AnTuTu | 3606149 | — | |
| Geekbench Single | 3639 | 254 | |
| Geekbench Multi | 11047 | 802 | |
| Display | 6.8" AMOLED | 6.4" AMOLED | |
| Resolution | 1272x2772 | — | |
| Refresh rate | 120 Hz | 60 Hz | |
| Battery | 6500 mAh | 4000 mAh | |
| Charging | 120W | — | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 13 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 8 MP | |
| RAM | 12GB / 16GB | 3GB | |
| Storage | 256GB / 512GB | 32GB | |
| 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 | 158.4×74.7×7.8 mm | |
| Weight | 213 g | 169 g | |
| Launch price | $799 | $190 |
Camera comparison
OnePlus 15
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Samsung Galaxy A20
- Main: 13MP
- Front: 8MP
Display comparison
OnePlus 15
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 120 Hz
Samsung Galaxy A20
- 6.4" AMOLED
- Refresh rate: 60 Hz
Battery and charging
OnePlus 15
- 6500 mAh
- Wired: 120W
- Wireless: 50W
Samsung Galaxy A20
- 4000 mAh
- No wireless charging
Benchmarks
Launch prices and where to check today's
Launch price difference: $609. Samsung Galaxy A20 was $609 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A20 (97/100 vs 2/100).
display
In the "display" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A20 (84/100 vs 51/100).
camera
In the "camera" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A20 (78/100 vs 10/100).
battery
In the "battery" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A20 (89/100 vs 25/100).
portability
In the "portability" category, the Samsung Galaxy A20 notably outperforms the OnePlus 15 (79/100 vs 50/100).
Frequently asked questions
Which is better: the OnePlus 15 or the Samsung Galaxy A20?
The OnePlus 15 significantly outperforms the Samsung Galaxy A20 by 67 points (86/100 vs 19/100).
What is the rating of the OnePlus 15 and the Samsung Galaxy A20?
The OnePlus 15 has a MobileRank rating of 86/100, the Samsung Galaxy A20 — 19/100.
Which has the better camera: the OnePlus 15 or the Samsung Galaxy A20?
The OnePlus 15 leads on camera score (78/100 vs 10/100).
Which is more powerful: the OnePlus 15 or the Samsung Galaxy A20?
The OnePlus 15 leads on performance (97/100 vs 2/100).
Should you choose the OnePlus 15 over the Samsung Galaxy A20?
The OnePlus 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.