OnePlus 15T vs Vivo X300
The OnePlus 15T (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo X300 (2024) runs on the MediaTek Dimensity 9300; launch prices were $799 and $499. By overall MobileRank rating, the OnePlus 15T leads — 86/100 vs 79/100 (a 7-point difference). Key differences: the OnePlus 15T has the bigger battery (6400 mAh vs 5000); the OnePlus 15T is faster in AnTuTu (3,927,976 vs 3,037,992).
Profile comparison
Category scores
OnePlus 15T
Vivo X300
What makes OnePlus 15T better?
- Higher AnTuTu: 3927976 vs 3037992
- Better Geekbench Single: 3639 vs 2186
- Better Geekbench Multi: 11047 vs 7422
- Bigger battery: 6400 vs 5000 mAh
- Faster charging: 100W vs 80W
- Faster wireless charging: 50W vs 40W
- Higher performance (98/100 vs 86/100)
- Longer battery life (84/100 vs 69/100)
- Better display (89/100 vs 84/100)
What makes Vivo X300 better?
- Cheaper at launch: $499 vs $799
- Better portability (55/100 vs 51/100)
Comparison verdict
Comparing the OnePlus 15T vs the Vivo X300, the OnePlus 15T scores 7 points higher (86/100 vs 79/100). In the "performance" category, the OnePlus 15T leads (98/100 vs 86/100). In the "battery" category, the OnePlus 15T leads (84/100 vs 69/100). Value score: OnePlus 15T — 86/100, Vivo X300 — 80/100; 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 OnePlus 15T is a bit better (98/100 vs 86/100). In the "display" category, the OnePlus 15T is a bit better (89/100 vs 84/100). In the "camera" category, both devices are on the same level — 78/100. In the "battery" category, the OnePlus 15T notably outperforms the Vivo X300 (84/100 vs 69/100). In the "portability" category, the Vivo X300 and the OnePlus 15T are nearly equal (55/100 vs 51/100).
Specs comparison
| Specification | OnePlus 15T | Vivo X300 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Dimensity 9300 | |
| AnTuTu | 3927976 | 3037992 | |
| Geekbench Single | 3639 | 2186 | |
| Geekbench Multi | 11047 | 7422 | |
| Display | 6.8" LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 3168x1440 | 2800x1260 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6400 mAh | 5000 mAh | |
| Charging | 100W | 80W | |
| Wireless charging | 50W | 40W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 14 | |
| Brightness (peak) | 3600 nits | 4500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 150.6×71.8×8.4 mm | 150.6×71.9×8.0 mm | |
| Weight | 206 g | 206 g | |
| Launch price | $799 | $499 |
Camera comparison
OnePlus 15T
- Main: 50MP f/1.6
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo X300
- Main: 50MP f/1.57
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
OnePlus 15T
- 6.8" LTPO AMOLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Vivo X300
- 6.8" AMOLED
- Resolution: 2800x1260
- Refresh rate: 120 Hz
Battery and charging
OnePlus 15T
- 6400 mAh
- Wired: 100W
- Wireless: 50W
Vivo X300
- 5000 mAh
- Wired: 80W
- Wireless: 40W
Overall performance score
We compared OnePlus 15T and Vivo X300, covering their specs and all relevant benchmarks.
OnePlus 15T leads Vivo X300 by 29.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $300. Vivo X300 was $300 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus 15T is a bit better (98/100 vs 86/100).
display
In the "display" category, the OnePlus 15T is a bit better (89/100 vs 84/100).
camera
In the "camera" category, both devices are on the same level — 78/100.
battery
In the "battery" category, the OnePlus 15T notably outperforms the Vivo X300 (84/100 vs 69/100).
portability
In the "portability" category, the Vivo X300 and the OnePlus 15T are nearly equal (55/100 vs 51/100).
Frequently asked questions
Which is better: the OnePlus 15T or the Vivo X300?
The OnePlus 15T edges out the Vivo X300 by just 7 points — the two devices are very close in overall level.
What is the rating of the OnePlus 15T and the Vivo X300?
The OnePlus 15T has a MobileRank rating of 86/100, the Vivo X300 — 79/100.
Which is more powerful: the OnePlus 15T or the Vivo X300?
The OnePlus 15T leads on performance (98/100 vs 86/100).
Should you choose the OnePlus 15T over the Vivo X300?
The OnePlus 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo X300 is a better fit for gamers and power users, budget-conscious buyers.