OnePlus 15 vs Samsung Galaxy S21 FE
The OnePlus 15 (2025) 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 $799 and $699. By overall MobileRank rating, the OnePlus 15 leads — 86/100 vs 51/100 (a 35-point difference). Key differences: the OnePlus 15 has the bigger battery (6500 mAh vs 4500); the main camera is 50 MP vs 12 MP; the OnePlus 15 is faster in AnTuTu (3,646,161 vs 746,808); the Samsung Galaxy S21 FE is noticeably lighter (177g vs 213g).
OnePlus 15
Samsung Galaxy S21 FE
- Higher AnTuTu: 3646161 vs 746808
- Better Geekbench Single: 3640 vs 1488
- Better Geekbench Multi: 11033 vs 3373
- Bigger battery: 6500 vs 4500 mAh
- Faster charging: 120W vs 25W
- Better main camera: 50MP vs 12MP
- Faster wireless charging: 50W vs 15W
- Higher performance (97/100 vs 58/100)
- Better camera (78/100 vs 26/100)
- Longer battery life (89/100 vs 42/100)
- Better display (84/100 vs 80/100)
- Lighter: 177g vs 213g
- Cheaper at launch: $699 vs $799
- Better portability (74/100 vs 50/100)
Comparing the OnePlus 15 vs the Samsung Galaxy S21 FE, the OnePlus 15 scores 35 points higher (86/100 vs 51/100). In the "performance" category, the OnePlus 15 leads (97/100 vs 58/100). In the "camera" category, the OnePlus 15 leads (78/100 vs 26/100). In the "battery" category, the OnePlus 15 leads (89/100 vs 42/100). Value score: OnePlus 15 — 84/100, 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 15 significantly outperforms the Samsung Galaxy S21 FE (97/100 vs 58/100). In the "display" category, the OnePlus 15 and the Samsung Galaxy S21 FE are nearly equal (84/100 vs 80/100). In the "camera" category, the OnePlus 15 significantly outperforms the Samsung Galaxy S21 FE (78/100 vs 26/100). In the "battery" category, the OnePlus 15 significantly outperforms the Samsung Galaxy S21 FE (89/100 vs 42/100). In the "portability" category, the Samsung Galaxy S21 FE notably outperforms the OnePlus 15 (74/100 vs 50/100).
| Specification | OnePlus 15 | Samsung Galaxy S21 FE | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 888 | |
| AnTuTu | 3646161 | 746808 | |
| Geekbench Single | 3640 | 1488 | |
| Geekbench Multi | 11033 | 3373 | |
| Display | 6.8" AMOLED | 6.4" Dynamic AMOLED 2X | |
| Resolution | 1272x2772 | 2340x1080 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6500 mAh | 4500 mAh | |
| Charging | 120W | 25W | |
| Wireless charging | 50W | 15W | |
| Main camera | 50 MP | 12 MP | |
| Ultrawide | 50 MP | 12 MP | |
| Telephoto | 50 MP | 8 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16, OxygenOS 16 (Global), ColorOS 16 (China) | Android 12 | |
| Brightness (peak) | 1800 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 161.4×76.7×8.1 mm | 155.7×74.5×7.9 mm | |
| Weight | 213 g | 177 g | |
| Launch price | $799 | $699 |
OnePlus 15
- Main: 50MP
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Samsung Galaxy S21 FE
- Main: 12MP f/1.8
- Ultrawide: 12MP
- Telephoto: 8MP
- Front: 32MP
OnePlus 15
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 120 Hz
Samsung Galaxy S21 FE
- 6.4" Dynamic AMOLED 2X
- Resolution: 2340x1080
- Refresh rate: 120 Hz
OnePlus 15
- 6500 mAh
- Wired: 120W
- Wireless: 50W
Samsung Galaxy S21 FE
- 4500 mAh
- Wired: 25W
- Wireless: 15W
We compared OnePlus 15 and Samsung Galaxy S21 FE, covering their specs and all relevant benchmarks.
OnePlus 15 leads Samsung Galaxy S21 FE by 388.2% in our overall performance rating.
Launch price difference: $100. Samsung Galaxy S21 FE was $100 cheaper at launch.
performance
In the "performance" category, the OnePlus 15 significantly outperforms the Samsung Galaxy S21 FE (97/100 vs 58/100).
display
In the "display" category, the OnePlus 15 and the Samsung Galaxy S21 FE are nearly equal (84/100 vs 80/100).
camera
In the "camera" category, the OnePlus 15 significantly outperforms the Samsung Galaxy S21 FE (78/100 vs 26/100).
battery
In the "battery" category, the OnePlus 15 significantly outperforms the Samsung Galaxy S21 FE (89/100 vs 42/100).
portability
In the "portability" category, the Samsung Galaxy S21 FE notably outperforms the OnePlus 15 (74/100 vs 50/100).
Which is better: the OnePlus 15 or the Samsung Galaxy S21 FE?
The OnePlus 15 significantly outperforms the Samsung Galaxy S21 FE by 35 points (86/100 vs 51/100).
What is the rating of the OnePlus 15 and the Samsung Galaxy S21 FE?
The OnePlus 15 has a MobileRank rating of 86/100, the Samsung Galaxy S21 FE — 51/100.
Which has the better camera: the OnePlus 15 or the Samsung Galaxy S21 FE?
The OnePlus 15 leads on camera score (78/100 vs 26/100).
Which is more powerful: the OnePlus 15 or the Samsung Galaxy S21 FE?
The OnePlus 15 leads on performance (97/100 vs 58/100).
Should you choose the OnePlus 15 over the Samsung Galaxy S21 FE?
The OnePlus 15 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.