OPPO Reno15 FS vs Vivo X300 Ultra
The OPPO Reno15 FS (2026) runs on the Snapdragon 6 Gen 1, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $385 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 59/100 (a 32-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 736,675); the OPPO Reno15 FS is noticeably lighter (189g vs 230g).
OPPO Reno15 FS
Vivo X300 Ultra
- Lighter: 189g vs 230g
- Cheaper at launch: $385 vs $950
- Better portability (63/100 vs 39/100)
- Higher AnTuTu: 4247433 vs 736675
- Better Geekbench Single: 3640 vs 935
- Better Geekbench Multi: 11033 vs 2719
- Bigger battery: 7000 vs 6500 mAh
- Faster charging: 100W vs 80W
- Better main camera: 200MP vs 50MP
- Higher performance (99/100 vs 52/100)
- Better camera (96/100 vs 44/100)
- Longer battery life (85/100 vs 78/100)
- Better display (89/100 vs 80/100)
Comparing the OPPO Reno15 FS vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 32 points higher (91/100 vs 59/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 52/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 44/100). Value score: OPPO Reno15 FS — 56/100, 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 Reno15 FS (99/100 vs 52/100). 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 Reno15 FS (96/100 vs 44/100). In the "battery" category, the Vivo X300 Ultra is a bit better (85/100 vs 78/100). In the "portability" category, the OPPO Reno15 FS notably outperforms the Vivo X300 Ultra (63/100 vs 39/100).
| Specification | OPPO Reno15 FS | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Snapdragon 6 Gen 1 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 736675 | 4247433 | |
| Geekbench Single | 935 | 3640 | |
| Geekbench Multi | 2719 | 11033 | |
| Display | 6.6" AMOLED | 6.8" LTPO OLED | |
| Resolution | 1080x2372 | 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 | 50 MP | 32 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 1400 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP69 | |
| Dimensions | 158.2×74.9×8.2 mm | 163.0×76.8×8.2 mm | |
| Weight | 189 g | 230 g | |
| Launch price | $385 | $950 |
OPPO Reno15 FS
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 50MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
OPPO Reno15 FS
- 6.6" AMOLED
- Resolution: 1080x2372
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
OPPO Reno15 FS
- 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 Reno15 FS and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads OPPO Reno15 FS by 82.7% in our overall performance rating.
Launch price difference: $565. OPPO Reno15 FS was $565 cheaper at launch.
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the OPPO Reno15 FS (99/100 vs 52/100).
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 Reno15 FS (96/100 vs 44/100).
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 Reno15 FS notably outperforms the Vivo X300 Ultra (63/100 vs 39/100).
Which is better: the OPPO Reno15 FS or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the OPPO Reno15 FS by 32 points (91/100 vs 59/100).
What is the rating of the OPPO Reno15 FS and the Vivo X300 Ultra?
The OPPO Reno15 FS has a MobileRank rating of 59/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the OPPO Reno15 FS or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 44/100).
Which is more powerful: the OPPO Reno15 FS or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 52/100).
Should you choose the OPPO Reno15 FS over the Vivo X300 Ultra?
The OPPO Reno15 FS is a better fit for 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.