Oppo Reno15 (China) vs Vivo X300 Ultra
The Oppo Reno15 (China) (2025) runs on the MediaTek Dimensity 8450, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 79/100 (a 12-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 6200); the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 2,016,572); the Oppo Reno15 (China) is noticeably lighter (187g vs 230g).
Profile comparison
Category scores
Oppo Reno15 (China)
Vivo X300 Ultra
What makes Oppo Reno15 (China) better?
- Lighter: 187g vs 230g
- Better portability (67/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 2016572
- Better Geekbench Single: 3639 vs 1612
- Better Geekbench Multi: 11047 vs 6210
- Bigger battery: 7000 vs 6200 mAh
- Faster charging: 100W vs 80W
- Higher performance (99/100 vs 76/100)
- Better camera (96/100 vs 94/100)
- Longer battery life (85/100 vs 64/100)
- Better display (89/100 vs 85/100)
Comparison verdict
Comparing the Oppo Reno15 (China) vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 12 points higher (91/100 vs 79/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 76/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 64/100). In the "performance" category, the Vivo X300 Ultra notably outperforms the Oppo Reno15 (China) (99/100 vs 76/100). In the "display" category, the Vivo X300 Ultra and the Oppo Reno15 (China) are nearly equal (89/100 vs 85/100). In the "camera" category, the Vivo X300 Ultra and the Oppo Reno15 (China) are nearly equal (96/100 vs 94/100). In the "battery" category, the Vivo X300 Ultra notably outperforms the Oppo Reno15 (China) (85/100 vs 64/100). In the "portability" category, the Oppo Reno15 (China) notably outperforms the Vivo X300 Ultra (67/100 vs 39/100).
Specs comparison
| Specification | Oppo Reno15 (China) | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 8450 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 2016572 | 4247433 | |
| Geekbench Single | 1612 | 3639 | |
| Geekbench Multi | 6210 | 11047 | |
| Display | 6.3" AMOLED | 6.8" LTPO OLED | |
| Resolution | 1216x2640 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6200 mAh | 7000 mAh | |
| Charging | 80W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 200 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 200 MP | |
| Front camera | 50 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16, ColorOS 16 | Android 16 | |
| Brightness (peak) | 3600 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP69 | |
| Dimensions | 151.2×72.4×8.0 mm | 163.0×76.8×8.2 mm | |
| Weight | 187 g | 230 g | |
| Launch price | — | $950 |
Camera comparison
Oppo Reno15 (China)
- Main: 200MP f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Oppo Reno15 (China)
- 6.3" AMOLED
- Resolution: 1216x2640
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Oppo Reno15 (China)
- 6200 mAh
- Wired: 80W
- No wireless charging
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 Oppo Reno15 (China) and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Oppo Reno15 (China) by 52.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo Reno15 (China)
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra notably outperforms the Oppo Reno15 (China) (99/100 vs 76/100).
display
In the "display" category, the Vivo X300 Ultra and the Oppo Reno15 (China) are nearly equal (89/100 vs 85/100).
camera
In the "camera" category, the Vivo X300 Ultra and the Oppo Reno15 (China) are nearly equal (96/100 vs 94/100).
battery
In the "battery" category, the Vivo X300 Ultra notably outperforms the Oppo Reno15 (China) (85/100 vs 64/100).
portability
In the "portability" category, the Oppo Reno15 (China) notably outperforms the Vivo X300 Ultra (67/100 vs 39/100).
Frequently asked questions
Which is better: the Oppo Reno15 (China) or the Vivo X300 Ultra?
The Vivo X300 Ultra is noticeably better than the Oppo Reno15 (China) — the overall rating gap is 12 points.
What is the rating of the Oppo Reno15 (China) and the Vivo X300 Ultra?
The Oppo Reno15 (China) has a MobileRank rating of 79/100, the Vivo X300 Ultra — 91/100.
Which is more powerful: the Oppo Reno15 (China) or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 76/100).
Should you choose the Oppo Reno15 (China) over the Vivo X300 Ultra?
The Oppo Reno15 (China) is a better fit for active users, mobile photography enthusiasts. 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.