OnePlus 15s vs Vivo X300 Ultra
The OnePlus 15s (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $700 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 83/100 (a 8-point difference). Key differences: the OnePlus 15s has the bigger battery (7500 mAh vs 7000); the main camera is 50 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 3,950,082); the OnePlus 15s is noticeably lighter (195g vs 230g).
Profile comparison
Category scores
OnePlus 15s
Vivo X300 Ultra
What makes OnePlus 15s better?
- Bigger battery: 7500 vs 7000 mAh
- Higher refresh rate: 165Hz vs 120Hz
- Faster wireless charging: 50W vs 40W
- Lighter: 195g vs 230g
- Cheaper at launch: $700 vs $950
- Longer battery life (89/100 vs 85/100)
- Better display (95/100 vs 89/100)
- Better portability (64/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 3950082
- Better main camera: 200MP vs 50MP
- Higher performance (99/100 vs 98/100)
- Better camera (96/100 vs 53/100)
Comparison verdict
Comparing the OnePlus 15s vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 8 points higher (91/100 vs 83/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 53/100). Value score: OnePlus 15s — 80/100, 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 and the OnePlus 15s are nearly equal (99/100 vs 98/100). In the "display" category, the OnePlus 15s is a bit better (95/100 vs 89/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the OnePlus 15s (96/100 vs 53/100). In the "battery" category, the OnePlus 15s and the Vivo X300 Ultra are nearly equal (89/100 vs 85/100). In the "portability" category, the OnePlus 15s notably outperforms the Vivo X300 Ultra (64/100 vs 39/100).
Specs comparison
| Specification | OnePlus 15s | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3950082 | 4247433 | |
| Geekbench Single | 3639 | 3639 | |
| Geekbench Multi | 11047 | 11047 | |
| Display | 6.3" AMOLED | 6.8" LTPO OLED | |
| Resolution | 2640x1216 | 3168x1440 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 7500 mAh | 7000 mAh | |
| Charging | 100W | 100W | |
| Wireless charging | 50W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 50 MP | 200 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| NFC | — | yes | |
| Protection | — | IP69 | |
| Dimensions | — | 163.0×76.8×8.2 mm | |
| Weight | 195 g | 230 g | |
| Launch price | $700 | $950 |
Camera comparison
OnePlus 15s
- Main: 50MP f/1.8
- Telephoto: 50MP
- Front: 16MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
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 15s and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads OnePlus 15s by 7.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $250. OnePlus 15s was $250 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra and the OnePlus 15s are nearly equal (99/100 vs 98/100).
display
In the "display" category, the OnePlus 15s is a bit better (95/100 vs 89/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the OnePlus 15s (96/100 vs 53/100).
battery
In the "battery" category, the OnePlus 15s and the Vivo X300 Ultra are nearly equal (89/100 vs 85/100).
portability
In the "portability" category, the OnePlus 15s notably outperforms the Vivo X300 Ultra (64/100 vs 39/100).
Frequently asked questions
Which is better: the OnePlus 15s or the Vivo X300 Ultra?
The Vivo X300 Ultra edges out the OnePlus 15s by just 8 points — the two devices are very close in overall level.
What is the rating of the OnePlus 15s and the Vivo X300 Ultra?
The OnePlus 15s has a MobileRank rating of 83/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the OnePlus 15s or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 53/100).
Should you choose the OnePlus 15s over the Vivo X300 Ultra?
The OnePlus 15s is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. 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.