OnePlus 9 vs Vivo X300 Ultra
The OnePlus 9 (2021) runs on the Qualcomm Snapdragon 888, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $729 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 60/100 (a 31-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 4500); the main camera is 48 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 1,135,878); the OnePlus 9 is noticeably lighter (192g vs 230g).
OnePlus 9
Vivo X300 Ultra
- Lighter: 192g vs 230g
- Cheaper at launch: $729 vs $950
- Better portability (56/100 vs 39/100)
- Higher AnTuTu: 4247433 vs 1135878
- Better Geekbench Single: 3640 vs 1488
- Better Geekbench Multi: 11033 vs 3373
- Bigger battery: 7000 vs 4500 mAh
- Faster charging: 100W vs 65W
- Better main camera: 200MP vs 48MP
- Faster wireless charging: 40W vs 15W
- Higher performance (99/100 vs 64/100)
- Better camera (96/100 vs 51/100)
- Longer battery life (85/100 vs 50/100)
- Better display (89/100 vs 80/100)
Comparing the OnePlus 9 vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 31 points higher (91/100 vs 60/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 64/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 51/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 50/100). Value score: OnePlus 9 — 32/100, Vivo X300 Ultra — 94/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo X300 Ultra significantly outperforms the OnePlus 9 (99/100 vs 64/100). In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 80/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the OnePlus 9 (96/100 vs 51/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the OnePlus 9 (85/100 vs 50/100). In the "portability" category, the OnePlus 9 notably outperforms the Vivo X300 Ultra (56/100 vs 39/100).
| Specification | OnePlus 9 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 1135878 | 4247433 | |
| Geekbench Single | 1488 | 3640 | |
| Geekbench Multi | 3373 | 11033 | |
| Display | 6.5" AMOLED | 6.8" LTPO OLED | |
| Resolution | 2400x1080 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4500 mAh | 7000 mAh | |
| Charging | 65W | 100W | |
| Wireless charging | 15W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 0 MP | 200 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 | — | |
| NFC | yes | yes | |
| Protection | — | IP69 | |
| Dimensions | 160.0×74.2×8.7 mm | 163.0×76.8×8.2 mm | |
| Weight | 192 g | 230 g | |
| Launch price | $729 | $950 |
OnePlus 9
- Main: 48MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
OnePlus 9
- 6.5" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
OnePlus 9
- 4500 mAh
- Wired: 65W
- Wireless: 15W
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
We compared OnePlus 9 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads OnePlus 9 by 73.3% in our overall performance rating.
Launch price difference: $221. OnePlus 9 was $221 cheaper at launch.
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the OnePlus 9 (99/100 vs 64/100).
display
In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 80/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the OnePlus 9 (96/100 vs 51/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the OnePlus 9 (85/100 vs 50/100).
portability
In the "portability" category, the OnePlus 9 notably outperforms the Vivo X300 Ultra (56/100 vs 39/100).
Which is better: the OnePlus 9 or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the OnePlus 9 by 31 points (91/100 vs 60/100).
What is the rating of the OnePlus 9 and the Vivo X300 Ultra?
The OnePlus 9 has a MobileRank rating of 60/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the OnePlus 9 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 51/100).
Which is more powerful: the OnePlus 9 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 64/100).
Should you choose the OnePlus 9 over the Vivo X300 Ultra?
The OnePlus 9 is a better fit for active users. The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.