OnePlus 15 vs Sony Xperia 5 III
The OnePlus 15 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Sony Xperia 5 III (2021) runs on the Snapdragon 888; launch prices were $799 and $999. 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 (3,606,149 vs 1,135,878); the Sony Xperia 5 III is noticeably lighter (168g vs 213g).
Profile comparison
Category scores
OnePlus 15
Sony Xperia 5 III
What makes OnePlus 15 better?
- Higher AnTuTu: 3606149 vs 1135878
- Better Geekbench Single: 3639 vs 1500
- Better Geekbench Multi: 11047 vs 3537
- Bigger battery: 6500 vs 4500 mAh
- Faster charging: 120W vs 30W
- Better main camera: 50MP vs 12MP
- Cheaper at launch: $799 vs $999
- Higher performance (97/100 vs 64/100)
- Better camera (78/100 vs 20/100)
- Longer battery life (89/100 vs 35/100)
What makes Sony Xperia 5 III better?
- Lighter: 168g vs 213g
- Better portability (76/100 vs 50/100)
Comparison verdict
Comparing the OnePlus 15 vs the Sony Xperia 5 III, the OnePlus 15 scores 35 points higher (86/100 vs 51/100). In the "performance" category, the OnePlus 15 leads (97/100 vs 64/100). In the "camera" category, the OnePlus 15 leads (78/100 vs 20/100). In the "battery" category, the OnePlus 15 leads (89/100 vs 35/100). Value score: OnePlus 15 — 86/100, Sony Xperia 5 III — 12/100; 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 Sony Xperia 5 III (97/100 vs 64/100). In the "display" category, both devices are on the same level — 84/100. In the "camera" category, the OnePlus 15 significantly outperforms the Sony Xperia 5 III (78/100 vs 20/100). In the "battery" category, the OnePlus 15 significantly outperforms the Sony Xperia 5 III (89/100 vs 35/100). In the "portability" category, the Sony Xperia 5 III notably outperforms the OnePlus 15 (76/100 vs 50/100).
Specs comparison
| Specification | OnePlus 15 | Sony Xperia 5 III | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Snapdragon 888 | |
| AnTuTu | 3606149 | 1135878 | |
| Geekbench Single | 3639 | 1500 | |
| Geekbench Multi | 11047 | 3537 | |
| Display | 6.8" AMOLED | 6.1" OLED | |
| Resolution | 1272x2772 | 1080x2520 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6500 mAh | 4500 mAh | |
| Charging | 120W | 30W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 12 MP | |
| Ultrawide | 50 MP | 12 MP | |
| Telephoto | 50 MP | 12 MP | |
| Front camera | 32 MP | 8 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16, OxygenOS 16 (Global), ColorOS 16 (China) | Android 11 | |
| Brightness (peak) | 1800 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP65/IP68 | |
| Dimensions | 161.4×76.7×8.1 mm | 157.0×68.0×8.2 mm | |
| Weight | 213 g | 168 g | |
| Launch price | $799 | $999 |
Camera comparison
OnePlus 15
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Sony Xperia 5 III
- Main: 12MP f/1.7
- Ultrawide: 12MP
- Telephoto: 12MP
- Front: 8MP
Display comparison
OnePlus 15
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 120 Hz
Sony Xperia 5 III
- 6.1" OLED
- Resolution: 1080x2520
- Refresh rate: 120 Hz
Battery and charging
OnePlus 15
- 6500 mAh
- Wired: 120W
- Wireless: 50W
Sony Xperia 5 III
- 4500 mAh
- Wired: 30W
- No wireless charging
Overall performance score
We compared OnePlus 15 and Sony Xperia 5 III, covering their specs and all relevant benchmarks.
OnePlus 15 leads Sony Xperia 5 III by 217.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $200. OnePlus 15 was $200 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus 15 significantly outperforms the Sony Xperia 5 III (97/100 vs 64/100).
display
In the "display" category, both devices are on the same level — 84/100.
camera
In the "camera" category, the OnePlus 15 significantly outperforms the Sony Xperia 5 III (78/100 vs 20/100).
battery
In the "battery" category, the OnePlus 15 significantly outperforms the Sony Xperia 5 III (89/100 vs 35/100).
portability
In the "portability" category, the Sony Xperia 5 III notably outperforms the OnePlus 15 (76/100 vs 50/100).
Frequently asked questions
Which is better: the OnePlus 15 or the Sony Xperia 5 III?
The OnePlus 15 significantly outperforms the Sony Xperia 5 III by 35 points (86/100 vs 51/100).
What is the rating of the OnePlus 15 and the Sony Xperia 5 III?
The OnePlus 15 has a MobileRank rating of 86/100, the Sony Xperia 5 III — 51/100.
Which has the better camera: the OnePlus 15 or the Sony Xperia 5 III?
The OnePlus 15 leads on camera score (78/100 vs 20/100).
Which is more powerful: the OnePlus 15 or the Sony Xperia 5 III?
The OnePlus 15 leads on performance (97/100 vs 64/100).
Should you choose the OnePlus 15 over the Sony Xperia 5 III?
The OnePlus 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Sony Xperia 5 III is a better fit for active users.