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).
Oppo Reno15 (China)
Vivo X300 Ultra
- Lighter: 187g vs 230g
- Better portability (67/100 vs 39/100)
- Higher AnTuTu: 4247433 vs 2016572
- Better Geekbench Single: 3640 vs 1608
- Better Geekbench Multi: 11033 vs 6321
- Bigger battery: 7000 vs 6200 mAh
- Faster charging: 100W vs 80W
- Higher performance (99/100 vs 77/100)
- Better camera (96/100 vs 94/100)
- Longer battery life (85/100 vs 64/100)
- Better display (89/100 vs 85/100)
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 77/100). 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 77/100). 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).
| Specification | Oppo Reno15 (China) | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 8450 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 2016572 | 4247433 | |
| Geekbench Single | 1608 | 3640 | |
| Geekbench Multi | 6321 | 11033 | |
| 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 | |
| Price | — | $950 |
Oppo Reno15 (China)
- Main: 200MP f/f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
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
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
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.
Oppo Reno15 (China)
Price unknownperformance
In the "performance" category, the Vivo X300 Ultra notably outperforms the Oppo Reno15 (China) (99/100 vs 77/100).
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).
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 77/100).
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.