OnePlus 8 vs Vivo iQOO 15
The OnePlus 8 (2020) runs on the Qualcomm Snapdragon 865, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $699 and $599. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 50/100 (a 36-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 4300); the main camera is 48 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,740,528 vs 1,003,562); the OnePlus 8 is noticeably lighter (180g vs 215g).
OnePlus 8
Vivo iQOO 15
- Lighter: 180g vs 215g
- Better portability (72/100 vs 48/100)
- Higher AnTuTu: 3740528 vs 1003562
- Better Geekbench Single: 3041 vs 1168
- Better Geekbench Multi: 9494 vs 3431
- Bigger battery: 7000 vs 4300 mAh
- Faster charging: 100W vs 30W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 144Hz vs 90Hz
- Cheaper at launch: $599 vs $699
- Higher performance (94/100 vs 60/100)
- Better camera (78/100 vs 37/100)
- Longer battery life (85/100 vs 30/100)
- Better display (99/100 vs 68/100)
Comparing the OnePlus 8 vs the Vivo iQOO 15, the Vivo iQOO 15 scores 36 points higher (86/100 vs 50/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 60/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 37/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 30/100). Value score: OnePlus 8 — 12/100, 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 8 (94/100 vs 60/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the OnePlus 8 (99/100 vs 68/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the OnePlus 8 (78/100 vs 37/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the OnePlus 8 (85/100 vs 30/100). In the "portability" category, the OnePlus 8 notably outperforms the Vivo iQOO 15 (72/100 vs 48/100).
| Specification | OnePlus 8 | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 865 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1003562 | 3740528 | |
| Geekbench Single | 1168 | 3041 | |
| Geekbench Multi | 3431 | 9494 | |
| Display | 6.5" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 2400x1080 | 1440x3168 | |
| Refresh rate | 90 Hz | 144 Hz | |
| Battery | 4300 mAh | 7000 mAh | |
| Charging | 30W | 100W | |
| Wireless charging | 0W | 40W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 16 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 10 | Android 16 | |
| Brightness (peak) | — | 6000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 160.2×72.9×8.0 mm | 163.7×76.8×8.1 mm | |
| Weight | 180 g | 215 g | |
| Launch price | $699 | $599 |
OnePlus 8
- Main: 48MP f/f/1.75
- Ultrawide: 16MP
- Front: 16MP
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
OnePlus 8
- 6.5" AMOLED
- Resolution: 2400x1080
- Refresh rate: 90 Hz
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
OnePlus 8
- 4300 mAh
- Wired: 30W
- No wireless charging
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
We compared OnePlus 8 and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads OnePlus 8 by 73.2% in our overall performance rating.
Launch price difference: $100. Vivo iQOO 15 was $100 cheaper at launch.
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the OnePlus 8 (94/100 vs 60/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the OnePlus 8 (99/100 vs 68/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the OnePlus 8 (78/100 vs 37/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the OnePlus 8 (85/100 vs 30/100).
portability
In the "portability" category, the OnePlus 8 notably outperforms the Vivo iQOO 15 (72/100 vs 48/100).
Which is better: the OnePlus 8 or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the OnePlus 8 by 36 points (86/100 vs 50/100).
What is the rating of the OnePlus 8 and the Vivo iQOO 15?
The OnePlus 8 has a MobileRank rating of 50/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the OnePlus 8 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 37/100).
Which is more powerful: the OnePlus 8 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 60/100).
Should you choose the OnePlus 8 over the Vivo iQOO 15?
The OnePlus 8 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.