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 1,157,244); the OnePlus 9 is noticeably lighter (192g vs 230g).
Profile comparison
Category scores
OnePlus 9
Vivo X300 Ultra
What makes OnePlus 9 better?
- Lighter: 192g vs 230g
- Cheaper at launch: $729 vs $950
- Better portability (56/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 1157244
- Better Geekbench Single: 3639 vs 1500
- Better Geekbench Multi: 11047 vs 3537
- 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)
Comparison verdict
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 — 34/100, Vivo X300 Ultra — 94/100; 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 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).
Specs comparison
| Specification | OnePlus 9 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 1157244 | 4247433 | |
| Geekbench Single | 1500 | 3639 | |
| Geekbench Multi | 3537 | 11047 | |
| 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 |
Camera comparison
OnePlus 9
- Main: 48MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
OnePlus 9
- 6.5" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
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
Overall performance score
We compared OnePlus 9 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads OnePlus 9 by 72.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $221. OnePlus 9 was $221 cheaper at launch.
Detailed category analysis
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).
Frequently asked questions
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.