Vivo X300s vs Xiaomi 15
The Vivo X300s (2026) runs on the Dimensity 9500, while the Xiaomi 15 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $723 and $635. By overall MobileRank rating, the Vivo X300s leads — 89/100 vs 82/100 (a 7-point difference). Key differences: the Vivo X300s has the bigger battery (7100 mAh vs 5240); the main camera is 200 MP vs 50 MP; the Vivo X300s is faster in AnTuTu (3,703,823 vs 2,923,262); the Xiaomi 15 is noticeably lighter (191g vs 217g).
Vivo X300s
Xiaomi 15
- Higher AnTuTu: 3703823 vs 2923262
- Better Geekbench Single: 3228 vs 3092
- Better Geekbench Multi: 9553 vs 9147
- Bigger battery: 7100 vs 5240 mAh
- Better main camera: 200MP vs 50MP
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (94/100 vs 91/100)
- Better camera (94/100 vs 78/100)
- Longer battery life (83/100 vs 77/100)
- Better display (94/100 vs 85/100)
- Faster wireless charging: 50W vs 40W
- Lighter: 191g vs 217g
- Cheaper at launch: $635 vs $723
- Better portability (60/100 vs 42/100)
Comparing the Vivo X300s vs the Xiaomi 15, the Vivo X300s scores 7 points higher (89/100 vs 82/100). In the "camera" category, the Vivo X300s leads (94/100 vs 78/100). Value score: Vivo X300s — 90/100, Xiaomi 15 — 76/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo X300s and the Xiaomi 15 are nearly equal (94/100 vs 91/100). In the "display" category, the Vivo X300s is a bit better (94/100 vs 85/100). In the "camera" category, the Vivo X300s notably outperforms the Xiaomi 15 (94/100 vs 78/100). In the "battery" category, the Vivo X300s is a bit better (83/100 vs 77/100). In the "portability" category, the Xiaomi 15 notably outperforms the Vivo X300s (60/100 vs 42/100).
| Specification | Vivo X300s | Xiaomi 15 | |
|---|---|---|---|
| Processor | Dimensity 9500 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3703823 | 2923262 | |
| Geekbench Single | 3228 | 3092 | |
| Geekbench Multi | 9553 | 9147 | |
| Display | 6.8" LTPO AMOLED | 6.4" LTPO AMOLED | |
| Resolution | 2800x1260 | 2670x1200 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7100 mAh | 5240 mAh | |
| Charging | 90W | 90W | |
| Wireless charging | 40W | 50W | |
| DXOMark (camera) | — | 147 | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 50 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 / OriginOS 6 | Android 15 / HyperOS 2 | |
| Brightness (peak) | — | 3200 nits | |
| NFC | — | yes | |
| Protection | — | IP68 | |
| Dimensions | — | 152.3×71.2×8.4 mm | |
| Weight | 217 g | 191 g | |
| Launch price | $723 | $635 |
Vivo X300s
- Main: 200MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Xiaomi 15
- Main: 50MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo X300s
- 6.8" LTPO AMOLED
- Resolution: 2800x1260
- Refresh rate: 144 Hz
Xiaomi 15
- 6.4" LTPO AMOLED
- Resolution: 2670x1200
- Refresh rate: 120 Hz
Vivo X300s
- 7100 mAh
- Wired: 90W
- Wireless: 40W
Xiaomi 15
- 5240 mAh
- NanoReview test: web browsing 13:20 hrs, total 31:54 hrs
- Wired: 90W
- Wireless: 50W
We compared Vivo X300s and Xiaomi 15, covering their specs and all relevant benchmarks.
Vivo X300s leads Xiaomi 15 by 26.7% in our overall performance rating.
Launch price difference: $88. Xiaomi 15 was $88 cheaper at launch.
performance
In the "performance" category, the Vivo X300s and the Xiaomi 15 are nearly equal (94/100 vs 91/100).
display
In the "display" category, the Vivo X300s is a bit better (94/100 vs 85/100).
camera
In the "camera" category, the Vivo X300s notably outperforms the Xiaomi 15 (94/100 vs 78/100).
battery
In the "battery" category, the Vivo X300s is a bit better (83/100 vs 77/100).
portability
In the "portability" category, the Xiaomi 15 notably outperforms the Vivo X300s (60/100 vs 42/100).
Which is better: the Vivo X300s or the Xiaomi 15?
The Vivo X300s edges out the Xiaomi 15 by just 7 points — the two devices are very close in overall level.
What is the rating of the Vivo X300s and the Xiaomi 15?
The Vivo X300s has a MobileRank rating of 89/100, the Xiaomi 15 — 82/100.
Which has the better camera: the Vivo X300s or the Xiaomi 15?
The Vivo X300s leads on camera score (94/100 vs 78/100).
Should you choose the Vivo X300s over the Xiaomi 15?
The Vivo X300s is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers. The Xiaomi 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.