Samsung Galaxy M15 vs Vivo X300 Ultra
The Samsung Galaxy M15 (2024) runs on the MediaTek Dimensity 6100+, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 44/100 (a 47-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 6000); the main camera is 50 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 513,809); the Vivo X300 Ultra is thinner (8.2mm vs 9.3mm).
Samsung Galaxy M15
Vivo X300 Ultra
- Lighter: 217g vs 230g
- Overall rating 44/100
- Higher AnTuTu: 4247433 vs 513809
- Better Geekbench Single: 3640 vs 689
- Better Geekbench Multi: 11033 vs 1884
- Bigger battery: 7000 vs 6000 mAh
- Faster charging: 100W vs 25W
- Better main camera: 200MP vs 50MP
- Higher refresh rate: 120Hz vs 90Hz
- Higher performance (99/100 vs 41/100)
- Better camera (96/100 vs 33/100)
- Longer battery life (85/100 vs 52/100)
- Better display (89/100 vs 68/100)
- Better portability (39/100 vs 34/100)
Comparing the Samsung Galaxy M15 vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 47 points higher (91/100 vs 44/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 41/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 33/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 52/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Samsung Galaxy M15 (99/100 vs 41/100). In the "display" category, the Vivo X300 Ultra notably outperforms the Samsung Galaxy M15 (89/100 vs 68/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Samsung Galaxy M15 (96/100 vs 33/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Samsung Galaxy M15 (85/100 vs 52/100). In the "portability" category, the Vivo X300 Ultra is a bit better (39/100 vs 34/100).
| Specification | Samsung Galaxy M15 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6100+ | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 513809 | 4247433 | |
| Geekbench Single | 689 | 3640 | |
| Geekbench Multi | 1884 | 11033 | |
| Display | 6.5" Super AMOLED | 6.8" LTPO OLED | |
| Resolution | 1080x2340 | 3168x1440 | |
| Refresh rate | 90 Hz | 120 Hz | |
| Battery | 6000 mAh | 7000 mAh | |
| Charging | 25W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 5 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 13 MP | 32 MP | |
| RAM | 4GB / 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 14, One UI 6 | Android 16 | |
| Brightness (peak) | 800 nits | — | |
| NFC | yes | yes | |
| Protection | — | IP69 | |
| Dimensions | 160.1×76.8×9.3 mm | 163.0×76.8×8.2 mm | |
| Weight | 217 g | 230 g | |
| Launch price | — | $950 |
Samsung Galaxy M15
- Main: 50MP f/f/1.8
- Ultrawide: 5MP
- Front: 13MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Samsung Galaxy M15
- 6.5" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: 90 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Samsung Galaxy M15
- 6000 mAh
- Wired: 25W
- 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 Samsung Galaxy M15 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Samsung Galaxy M15 by 87.9% in our overall performance rating.
Samsung Galaxy M15
Price unknownperformance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Samsung Galaxy M15 (99/100 vs 41/100).
display
In the "display" category, the Vivo X300 Ultra notably outperforms the Samsung Galaxy M15 (89/100 vs 68/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Samsung Galaxy M15 (96/100 vs 33/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Samsung Galaxy M15 (85/100 vs 52/100).
portability
In the "portability" category, the Vivo X300 Ultra is a bit better (39/100 vs 34/100).
Which is better: the Samsung Galaxy M15 or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Samsung Galaxy M15 by 47 points (91/100 vs 44/100).
What is the rating of the Samsung Galaxy M15 and the Vivo X300 Ultra?
The Samsung Galaxy M15 has a MobileRank rating of 44/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Samsung Galaxy M15 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 33/100).
Which is more powerful: the Samsung Galaxy M15 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 41/100).
Should you choose the Samsung Galaxy M15 over the Vivo X300 Ultra?
The Samsung Galaxy M15 is a better fit for everyday use. 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.