OnePlus 15s vs Samsung Galaxy S20
The OnePlus 15s (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Samsung Galaxy S20 (2020) runs on the Samsung Exynos 990; launch prices were $700 and $999. By overall MobileRank rating, the OnePlus 15s leads — 83/100 vs 47/100 (a 36-point difference). Key differences: the OnePlus 15s has the bigger battery (7500 mAh vs 4000); the main camera is 50 MP vs 12 MP; the OnePlus 15s is faster in AnTuTu (3,942,923 vs 888,046); the Samsung Galaxy S20 is noticeably lighter (163g vs 195g).
OnePlus 15s
Samsung Galaxy S20
- Higher AnTuTu: 3942923 vs 888046
- Better Geekbench Single: 3640 vs 1222
- Better Geekbench Multi: 11033 vs 3060
- Bigger battery: 7500 vs 4000 mAh
- Better main camera: 50MP vs 12MP
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $700 vs $999
- Higher performance (98/100 vs 57/100)
- Better camera (53/100 vs 11/100)
- Longer battery life (89/100 vs 32/100)
- Better display (95/100 vs 85/100)
- Lighter: 163g vs 195g
- Better portability (96/100 vs 64/100)
Comparing the OnePlus 15s vs the Samsung Galaxy S20, the OnePlus 15s scores 36 points higher (83/100 vs 47/100). In the "performance" category, the OnePlus 15s leads (98/100 vs 57/100). In the "camera" category, the OnePlus 15s leads (53/100 vs 11/100). In the "battery" category, the OnePlus 15s leads (89/100 vs 32/100). Value score: OnePlus 15s — 78/100, Samsung Galaxy S20 — 6/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the OnePlus 15s significantly outperforms the Samsung Galaxy S20 (98/100 vs 57/100). In the "display" category, the OnePlus 15s is a bit better (95/100 vs 85/100). In the "camera" category, the OnePlus 15s significantly outperforms the Samsung Galaxy S20 (53/100 vs 11/100). In the "battery" category, the OnePlus 15s significantly outperforms the Samsung Galaxy S20 (89/100 vs 32/100). In the "portability" category, the Samsung Galaxy S20 significantly outperforms the OnePlus 15s (96/100 vs 64/100).
| Specification | OnePlus 15s | Samsung Galaxy S20 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Samsung Exynos 990 | |
| AnTuTu | 3942923 | 888046 | |
| Geekbench Single | 3640 | 1222 | |
| Geekbench Multi | 11033 | 3060 | |
| Display | 6.3" AMOLED | 6.2" AMOLED | |
| Resolution | 2640x1216 | — | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 7500 mAh | 4000 mAh | |
| Charging | 100W | — | |
| Wireless charging | 50W | — | |
| Main camera | 50 MP | 12 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 16 MP | 10 MP | |
| RAM | 12GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 128GB | |
| OS | Android 16 | — | |
| Weight | 195 g | 163 g | |
| Launch price | $700 | $999 |
OnePlus 15s
- Main: 50MP f/f/1.8
- Telephoto: 50MP
- Front: 16MP
Samsung Galaxy S20
- Main: 12MP
- Front: 10MP
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Samsung Galaxy S20
- 6.2" AMOLED
- Refresh rate: 120 Hz
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Samsung Galaxy S20
- 4000 mAh
- Wireless charging: no data
We compared OnePlus 15s and Samsung Galaxy S20, covering their specs and all relevant benchmarks.
OnePlus 15s leads Samsung Galaxy S20 by 344.0% in our overall performance rating.
Launch price difference: $299. OnePlus 15s was $299 cheaper at launch.
performance
In the "performance" category, the OnePlus 15s significantly outperforms the Samsung Galaxy S20 (98/100 vs 57/100).
display
In the "display" category, the OnePlus 15s is a bit better (95/100 vs 85/100).
camera
In the "camera" category, the OnePlus 15s significantly outperforms the Samsung Galaxy S20 (53/100 vs 11/100).
battery
In the "battery" category, the OnePlus 15s significantly outperforms the Samsung Galaxy S20 (89/100 vs 32/100).
portability
In the "portability" category, the Samsung Galaxy S20 significantly outperforms the OnePlus 15s (96/100 vs 64/100).
Which is better: the OnePlus 15s or the Samsung Galaxy S20?
The OnePlus 15s significantly outperforms the Samsung Galaxy S20 by 36 points (83/100 vs 47/100).
What is the rating of the OnePlus 15s and the Samsung Galaxy S20?
The OnePlus 15s has a MobileRank rating of 83/100, the Samsung Galaxy S20 — 47/100.
Which has the better camera: the OnePlus 15s or the Samsung Galaxy S20?
The OnePlus 15s leads on camera score (53/100 vs 11/100).
Which is more powerful: the OnePlus 15s or the Samsung Galaxy S20?
The OnePlus 15s leads on performance (98/100 vs 57/100).
Should you choose the OnePlus 15s over the Samsung Galaxy S20?
The OnePlus 15s is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Samsung Galaxy S20 is a better fit for everyday use.