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 (3,740,528 vs 1,135,878); the OnePlus 9 is noticeably lighter (192g vs 215g).
OnePlus 9
Vivo iQOO 15
- Lighter: 192g vs 215g
- Better portability (56/100 vs 48/100)
- Higher AnTuTu: 3740528 vs 1135878
- Better Geekbench Single: 3041 vs 1488
- Better Geekbench Multi: 9494 vs 3373
- 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)
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 — 32/100, Vivo iQOO 15 — 84/100; it is biased by price level, so it should not be compared directly between devices at different prices. 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).
| Specification | OnePlus 9 | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1135878 | 3740528 | |
| Geekbench Single | 1488 | 3041 | |
| Geekbench Multi | 3373 | 9494 | |
| 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 |
OnePlus 9
- Main: 48MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
OnePlus 9
- 6.5" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
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
We compared OnePlus 9 and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads OnePlus 9 by 69.6% in our overall performance rating.
Launch price difference: $130. Vivo iQOO 15 was $130 cheaper at launch.
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).
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.