OnePlus 15s vs Samsung Galaxy S21 FE
The OnePlus 15s (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Samsung Galaxy S21 FE (2022) runs on the Qualcomm Snapdragon 888; launch prices were $700 and $699. By overall MobileRank rating, the OnePlus 15s leads — 83/100 vs 51/100 (a 32-point difference). Key differences: the OnePlus 15s has the bigger battery (7500 mAh vs 4500); the main camera is 50 MP vs 12 MP; the OnePlus 15s is faster in AnTuTu (3,942,923 vs 746,808); the Samsung Galaxy S21 FE is noticeably lighter (177g vs 195g).
OnePlus 15s
Samsung Galaxy S21 FE
- Higher AnTuTu: 3942923 vs 746808
- Better Geekbench Single: 3640 vs 1488
- Better Geekbench Multi: 11033 vs 3373
- Bigger battery: 7500 vs 4500 mAh
- Faster charging: 100W vs 25W
- Better main camera: 50MP vs 12MP
- Higher refresh rate: 165Hz vs 120Hz
- Faster wireless charging: 50W vs 15W
- Higher performance (98/100 vs 58/100)
- Better camera (53/100 vs 26/100)
- Longer battery life (89/100 vs 42/100)
- Better display (95/100 vs 80/100)
- Lighter: 177g vs 195g
- Cheaper at launch: $699 vs $700
- Better portability (74/100 vs 64/100)
Comparing the OnePlus 15s vs the Samsung Galaxy S21 FE, the OnePlus 15s scores 32 points higher (83/100 vs 51/100). In the "performance" category, the OnePlus 15s leads (98/100 vs 58/100). In the "camera" category, the OnePlus 15s leads (53/100 vs 26/100). In the "battery" category, the OnePlus 15s leads (89/100 vs 42/100). Value score: OnePlus 15s — 78/100, Samsung Galaxy S21 FE — 14/100; 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 S21 FE (98/100 vs 58/100). In the "display" category, the OnePlus 15s notably outperforms the Samsung Galaxy S21 FE (95/100 vs 80/100). In the "camera" category, the OnePlus 15s notably outperforms the Samsung Galaxy S21 FE (53/100 vs 26/100). In the "battery" category, the OnePlus 15s significantly outperforms the Samsung Galaxy S21 FE (89/100 vs 42/100). In the "portability" category, the Samsung Galaxy S21 FE is a bit better (74/100 vs 64/100).
| Specification | OnePlus 15s | Samsung Galaxy S21 FE | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 888 | |
| AnTuTu | 3942923 | 746808 | |
| Geekbench Single | 3640 | 1488 | |
| Geekbench Multi | 11033 | 3373 | |
| Display | 6.3" AMOLED | 6.4" Dynamic AMOLED 2X | |
| Resolution | 2640x1216 | 2340x1080 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 7500 mAh | 4500 mAh | |
| Charging | 100W | 25W | |
| Wireless charging | 50W | 15W | |
| Main camera | 50 MP | 12 MP | |
| Ultrawide | 0 MP | 12 MP | |
| Telephoto | 50 MP | 8 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 12GB | 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 12 | |
| NFC | — | yes | |
| Protection | — | IP68 | |
| Dimensions | — | 155.7×74.5×7.9 mm | |
| Weight | 195 g | 177 g | |
| Launch price | $700 | $699 |
OnePlus 15s
- Main: 50MP f/f/1.8
- Telephoto: 50MP
- Front: 16MP
Samsung Galaxy S21 FE
- Main: 12MP f/1.8
- Ultrawide: 12MP
- Telephoto: 8MP
- Front: 32MP
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Samsung Galaxy S21 FE
- 6.4" Dynamic AMOLED 2X
- Resolution: 2340x1080
- Refresh rate: 120 Hz
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Samsung Galaxy S21 FE
- 4500 mAh
- Wired: 25W
- Wireless: 15W
We compared OnePlus 15s and Samsung Galaxy S21 FE, covering their specs and all relevant benchmarks.
OnePlus 15s leads Samsung Galaxy S21 FE by 428.0% in our overall performance rating.
Launch price difference: $1. Samsung Galaxy S21 FE was $1 cheaper at launch.
performance
In the "performance" category, the OnePlus 15s significantly outperforms the Samsung Galaxy S21 FE (98/100 vs 58/100).
display
In the "display" category, the OnePlus 15s notably outperforms the Samsung Galaxy S21 FE (95/100 vs 80/100).
camera
In the "camera" category, the OnePlus 15s notably outperforms the Samsung Galaxy S21 FE (53/100 vs 26/100).
battery
In the "battery" category, the OnePlus 15s significantly outperforms the Samsung Galaxy S21 FE (89/100 vs 42/100).
portability
In the "portability" category, the Samsung Galaxy S21 FE is a bit better (74/100 vs 64/100).
Which is better: the OnePlus 15s or the Samsung Galaxy S21 FE?
The OnePlus 15s significantly outperforms the Samsung Galaxy S21 FE by 32 points (83/100 vs 51/100).
What is the rating of the OnePlus 15s and the Samsung Galaxy S21 FE?
The OnePlus 15s has a MobileRank rating of 83/100, the Samsung Galaxy S21 FE — 51/100.
Which has the better camera: the OnePlus 15s or the Samsung Galaxy S21 FE?
The OnePlus 15s leads on camera score (53/100 vs 26/100).
Which is more powerful: the OnePlus 15s or the Samsung Galaxy S21 FE?
The OnePlus 15s leads on performance (98/100 vs 58/100).
Should you choose the OnePlus 15s over the Samsung Galaxy S21 FE?
The OnePlus 15s is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Samsung Galaxy S21 FE is a better fit for everyday use.