OPPO Reno 15 vs Vivo X300 Ultra
The OPPO Reno 15 (2026) runs on the Qualcomm Snapdragon 7 Gen 4, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $350 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 63/100 (a 28-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 6500); the main camera is 50 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 1,394,716); the OPPO Reno 15 is noticeably lighter (186g vs 230g).
OPPO Reno 15
Vivo X300 Ultra
- Lighter: 186g vs 230g
- Cheaper at launch: $350 vs $950
- Better portability (73/100 vs 39/100)
- Higher AnTuTu: 4247433 vs 1394716
- Better Geekbench Single: 3640 vs 1270
- Better Geekbench Multi: 11033 vs 4106
- Bigger battery: 7000 vs 6500 mAh
- Faster charging: 100W vs 80W
- Better main camera: 200MP vs 50MP
- Higher performance (99/100 vs 66/100)
- Better camera (96/100 vs 40/100)
- Longer battery life (85/100 vs 78/100)
- Better display (89/100 vs 80/100)
Comparing the OPPO Reno 15 vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 28 points higher (91/100 vs 63/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 66/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 40/100). Value score: OPPO Reno 15 — 66/100, Vivo X300 Ultra — 94/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo X300 Ultra significantly outperforms the OPPO Reno 15 (99/100 vs 66/100). In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 80/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the OPPO Reno 15 (96/100 vs 40/100). In the "battery" category, the Vivo X300 Ultra is a bit better (85/100 vs 78/100). In the "portability" category, the OPPO Reno 15 significantly outperforms the Vivo X300 Ultra (73/100 vs 39/100).
| Specification | OPPO Reno 15 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 7 Gen 4 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 1394716 | 4247433 | |
| Geekbench Single | 1270 | 3640 | |
| Geekbench Multi | 4106 | 11033 | |
| Display | 6.7" AMOLED | 6.8" LTPO OLED | |
| Resolution | 2412x1080 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6500 mAh | 7000 mAh | |
| Charging | 80W | 100W | |
| Wireless charging | — | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 16 | |
| NFC | — | yes | |
| Protection | — | IP69 | |
| Dimensions | — | 163.0×76.8×8.2 mm | |
| Weight | 186 g | 230 g | |
| Launch price | $350 | $950 |
OPPO Reno 15
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 32MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
OPPO Reno 15
- 6.7" AMOLED
- Resolution: 2412x1080
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
OPPO Reno 15
- 6500 mAh
- Wired: 80W
- Wireless charging: no data
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
We compared OPPO Reno 15 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads OPPO Reno 15 by 67.2% in our overall performance rating.
Launch price difference: $600. OPPO Reno 15 was $600 cheaper at launch.
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the OPPO Reno 15 (99/100 vs 66/100).
display
In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 80/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the OPPO Reno 15 (96/100 vs 40/100).
battery
In the "battery" category, the Vivo X300 Ultra is a bit better (85/100 vs 78/100).
portability
In the "portability" category, the OPPO Reno 15 significantly outperforms the Vivo X300 Ultra (73/100 vs 39/100).
Which is better: the OPPO Reno 15 or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the OPPO Reno 15 by 28 points (91/100 vs 63/100).
What is the rating of the OPPO Reno 15 and the Vivo X300 Ultra?
The OPPO Reno 15 has a MobileRank rating of 63/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the OPPO Reno 15 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 40/100).
Which is more powerful: the OPPO Reno 15 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 66/100).
Should you choose the OPPO Reno 15 over the Vivo X300 Ultra?
The OPPO Reno 15 is a better fit for active users, those who care about battery life. 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.