OnePlus 9 vs Vivo iQOO 15
The OnePlus 9 (2021) runs on the Qualcomm Snapdragon 888, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $729 and $599. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 60/100 (a 26-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 4500); the main camera is 48 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 1,157,244); the OnePlus 9 is noticeably lighter (192g vs 215g).
Profile comparison
Category scores
OnePlus 9
Vivo iQOO 15
What makes OnePlus 9 better?
- Lighter: 192g vs 215g
- Better portability (56/100 vs 48/100)
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 1157244
- Better Geekbench Single: 3013 vs 1500
- Better Geekbench Multi: 9287 vs 3537
- Bigger battery: 7000 vs 4500 mAh
- Faster charging: 100W vs 65W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 144Hz vs 120Hz
- Faster wireless charging: 40W vs 15W
- Cheaper at launch: $599 vs $729
- Higher performance (94/100 vs 64/100)
- Better camera (78/100 vs 51/100)
- Longer battery life (85/100 vs 50/100)
- Better display (99/100 vs 80/100)
Comparison verdict
Comparing the OnePlus 9 vs the Vivo iQOO 15, the Vivo iQOO 15 scores 26 points higher (86/100 vs 60/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 64/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 51/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 50/100). Value score: OnePlus 9 — 34/100, Vivo iQOO 15 — 86/100; 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 Vivo iQOO 15 significantly outperforms the OnePlus 9 (94/100 vs 64/100). In the "display" category, the Vivo iQOO 15 notably outperforms the OnePlus 9 (99/100 vs 80/100). In the "camera" category, the Vivo iQOO 15 notably outperforms the OnePlus 9 (78/100 vs 51/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the OnePlus 9 (85/100 vs 50/100). In the "portability" category, the OnePlus 9 is a bit better (56/100 vs 48/100).
Specs comparison
| Specification | OnePlus 9 | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1157244 | 3758268 | |
| Geekbench Single | 1500 | 3013 | |
| Geekbench Multi | 3537 | 9287 | |
| Display | 6.5" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 2400x1080 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 4500 mAh | 7000 mAh | |
| Charging | 65W | 100W | |
| Wireless charging | 15W | 40W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 11 | Android 16 | |
| Brightness (peak) | 1100 nits | 6000 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 160.0×74.2×8.7 mm | 163.7×76.8×8.1 mm | |
| Weight | 192 g | 215 g | |
| Launch price | $729 | $599 |
Camera comparison
OnePlus 9
- Main: 48MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
OnePlus 9
- 6.5" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
OnePlus 9
- 4500 mAh
- Wired: 65W
- Wireless: 15W
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared OnePlus 9 and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads OnePlus 9 by 69.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $130. Vivo iQOO 15 was $130 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the OnePlus 9 (94/100 vs 64/100).
display
In the "display" category, the Vivo iQOO 15 notably outperforms the OnePlus 9 (99/100 vs 80/100).
camera
In the "camera" category, the Vivo iQOO 15 notably outperforms the OnePlus 9 (78/100 vs 51/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the OnePlus 9 (85/100 vs 50/100).
portability
In the "portability" category, the OnePlus 9 is a bit better (56/100 vs 48/100).
Frequently asked questions
Which is better: the OnePlus 9 or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the OnePlus 9 by 26 points (86/100 vs 60/100).
What is the rating of the OnePlus 9 and the Vivo iQOO 15?
The OnePlus 9 has a MobileRank rating of 60/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the OnePlus 9 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 51/100).
Which is more powerful: the OnePlus 9 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 64/100).
Should you choose the OnePlus 9 over the Vivo iQOO 15?
The OnePlus 9 is a better fit for active users. The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.