Realme 15 Pro vs Vivo X300 Ultra
The Realme 15 Pro (2026) runs on the Qualcomm Snapdragon 7s Gen 3, 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 5600); the main camera is 50 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 1,040,961); the Realme 15 Pro is noticeably lighter (192g vs 230g).
Realme 15 Pro
Vivo X300 Ultra
- Lighter: 192g vs 230g
- Cheaper at launch: $350 vs $950
- Better portability (68/100 vs 39/100)
- Higher AnTuTu: 4247433 vs 1040961
- Better Geekbench Single: 3640 vs 1162
- Better Geekbench Multi: 11033 vs 3315
- Bigger battery: 7000 vs 5600 mAh
- Faster charging: 100W vs 80W
- Better main camera: 200MP vs 50MP
- Higher performance (99/100 vs 60/100)
- Better camera (96/100 vs 57/100)
- Longer battery life (85/100 vs 62/100)
- Better display (89/100 vs 85/100)
Comparing the Realme 15 Pro 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 60/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 57/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 62/100). Value score: Realme 15 Pro — 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 Realme 15 Pro (99/100 vs 60/100). In the "display" category, the Vivo X300 Ultra and the Realme 15 Pro are nearly equal (89/100 vs 85/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme 15 Pro (96/100 vs 57/100). In the "battery" category, the Vivo X300 Ultra notably outperforms the Realme 15 Pro (85/100 vs 62/100). In the "portability" category, the Realme 15 Pro notably outperforms the Vivo X300 Ultra (68/100 vs 39/100).
| Specification | Realme 15 Pro | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 7s Gen 3 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 1040961 | 4247433 | |
| Geekbench Single | 1162 | 3640 | |
| Geekbench Multi | 3315 | 11033 | |
| Display | 6.7" AMOLED | 6.8" LTPO OLED | |
| Resolution | 1280x2800 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5600 mAh | 7000 mAh | |
| Charging | 80W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 15, up to 3 major Android upgrades, Realme UI 6.0 | Android 16 | |
| Brightness (peak) | 6500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP69 | |
| Dimensions | 162.3×76.2×7.7 mm | 163.0×76.8×8.2 mm | |
| Weight | 192 g | 230 g | |
| Launch price | $350 | $950 |
Realme 15 Pro
- Main: 50MP
- Ultrawide: 50MP
- Front: 32MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Realme 15 Pro
- 6.7" AMOLED
- Resolution: 1280x2800
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Realme 15 Pro
- 5600 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 Realme 15 Pro and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Realme 15 Pro by 75.5% in our overall performance rating.
Launch price difference: $600. Realme 15 Pro was $600 cheaper at launch.
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Realme 15 Pro (99/100 vs 60/100).
display
In the "display" category, the Vivo X300 Ultra and the Realme 15 Pro are nearly equal (89/100 vs 85/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme 15 Pro (96/100 vs 57/100).
battery
In the "battery" category, the Vivo X300 Ultra notably outperforms the Realme 15 Pro (85/100 vs 62/100).
portability
In the "portability" category, the Realme 15 Pro notably outperforms the Vivo X300 Ultra (68/100 vs 39/100).
Which is better: the Realme 15 Pro or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Realme 15 Pro by 28 points (91/100 vs 63/100).
What is the rating of the Realme 15 Pro and the Vivo X300 Ultra?
The Realme 15 Pro has a MobileRank rating of 63/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Realme 15 Pro or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 57/100).
Which is more powerful: the Realme 15 Pro or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 60/100).
Should you choose the Realme 15 Pro over the Vivo X300 Ultra?
The Realme 15 Pro is a better fit for active users. 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.