OPPO Reno15 Pro Mini vs Vivo X300 Ultra
The OPPO Reno15 Pro Mini (2026) runs on the MediaTek Dimensity 8450, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $505 and $950. 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 2,031,580); the OPPO Reno15 Pro Mini is noticeably lighter (187g vs 230g).
Profile comparison
Category scores
OPPO Reno15 Pro Mini
Vivo X300 Ultra
What makes OPPO Reno15 Pro Mini better?
- Lighter: 187g vs 230g
- Cheaper at launch: $505 vs $950
- Better portability (67/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 2031580
- 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 Pro Mini 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). Value score: OPPO Reno15 Pro Mini — 78/100, 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 notably outperforms the OPPO Reno15 Pro Mini (99/100 vs 76/100). In the "display" category, the Vivo X300 Ultra and the OPPO Reno15 Pro Mini are nearly equal (89/100 vs 85/100). In the "camera" category, the Vivo X300 Ultra and the OPPO Reno15 Pro Mini are nearly equal (96/100 vs 94/100). In the "battery" category, the Vivo X300 Ultra notably outperforms the OPPO Reno15 Pro Mini (85/100 vs 64/100). In the "portability" category, the OPPO Reno15 Pro Mini notably outperforms the Vivo X300 Ultra (67/100 vs 39/100).
Specs comparison
| Specification | OPPO Reno15 Pro Mini | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 8450 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 2031580 | 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 | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 1800 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 | $505 | $950 |
Camera comparison
OPPO Reno15 Pro Mini
- 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 Pro Mini
- 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 Pro Mini
- 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 Pro Mini and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads OPPO Reno15 Pro Mini by 52.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $445. OPPO Reno15 Pro Mini was $445 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra notably outperforms the OPPO Reno15 Pro Mini (99/100 vs 76/100).
display
In the "display" category, the Vivo X300 Ultra and the OPPO Reno15 Pro Mini are nearly equal (89/100 vs 85/100).
camera
In the "camera" category, the Vivo X300 Ultra and the OPPO Reno15 Pro Mini are nearly equal (96/100 vs 94/100).
battery
In the "battery" category, the Vivo X300 Ultra notably outperforms the OPPO Reno15 Pro Mini (85/100 vs 64/100).
portability
In the "portability" category, the OPPO Reno15 Pro Mini notably outperforms the Vivo X300 Ultra (67/100 vs 39/100).
Frequently asked questions
Which is better: the OPPO Reno15 Pro Mini or the Vivo X300 Ultra?
The Vivo X300 Ultra is noticeably better than the OPPO Reno15 Pro Mini — the overall rating gap is 12 points.
What is the rating of the OPPO Reno15 Pro Mini and the Vivo X300 Ultra?
The OPPO Reno15 Pro Mini has a MobileRank rating of 79/100, the Vivo X300 Ultra — 91/100.
Which is more powerful: the OPPO Reno15 Pro Mini or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 76/100).
Should you choose the OPPO Reno15 Pro Mini over the Vivo X300 Ultra?
The OPPO Reno15 Pro Mini is a better fit for active users, mobile photography enthusiasts, 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.