Redmi Note 15 4G vs Vivo X300 Ultra
The Redmi Note 15 4G (2025) runs on the MediaTek Helio G100 Ultra, 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 51/100 (a 40-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 6000); the main camera is 108 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 576,015); the Redmi Note 15 4G is noticeably lighter (183g vs 230g).
Redmi Note 15 4G
Vivo X300 Ultra
- Lighter: 183g vs 230g
- Better portability (70/100 vs 39/100)
- Higher AnTuTu: 4247433 vs 576015
- Better Geekbench Single: 3640 vs 727
- Better Geekbench Multi: 11033 vs 2014
- Bigger battery: 7000 vs 6000 mAh
- Faster charging: 100W vs 33W
- Better main camera: 200MP vs 108MP
- Higher performance (99/100 vs 44/100)
- Better camera (96/100 vs 42/100)
- Longer battery life (85/100 vs 53/100)
- Better display (89/100 vs 79/100)
Comparing the Redmi Note 15 4G vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 40 points higher (91/100 vs 51/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 44/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 42/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 53/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Redmi Note 15 4G (99/100 vs 44/100). In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 79/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Redmi Note 15 4G (96/100 vs 42/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Redmi Note 15 4G (85/100 vs 53/100). In the "portability" category, the Redmi Note 15 4G significantly outperforms the Vivo X300 Ultra (70/100 vs 39/100).
| Specification | Redmi Note 15 4G | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G100 Ultra | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 576015 | 4247433 | |
| Geekbench Single | 727 | 3640 | |
| Geekbench Multi | 2014 | 11033 | |
| Display | 6.8" AMOLED | 6.8" LTPO OLED | |
| Resolution | 1080x2392 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6000 mAh | 7000 mAh | |
| Charging | 33W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 108 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 15, up to 4 major Android upgrades, HyperOS 2 | Android 16 | |
| Brightness (peak) | 3200 nits | — | |
| NFC | yes | yes | |
| Protection | IP64 | IP69 | |
| Dimensions | 164.0×75.4×7.9 mm | 163.0×76.8×8.2 mm | |
| Weight | 183 g | 230 g | |
| Launch price | — | $950 |
Redmi Note 15 4G
- Main: 108MP f/f/1.7
- Front: 20MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Redmi Note 15 4G
- 6.8" AMOLED
- Resolution: 1080x2392
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Redmi Note 15 4G
- 6000 mAh
- Wired: 33W
- 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 Redmi Note 15 4G and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Redmi Note 15 4G by 86.4% in our overall performance rating.
Redmi Note 15 4G
Price unknownperformance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Redmi Note 15 4G (99/100 vs 44/100).
display
In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 79/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Redmi Note 15 4G (96/100 vs 42/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Redmi Note 15 4G (85/100 vs 53/100).
portability
In the "portability" category, the Redmi Note 15 4G significantly outperforms the Vivo X300 Ultra (70/100 vs 39/100).
Which is better: the Redmi Note 15 4G or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Redmi Note 15 4G by 40 points (91/100 vs 51/100).
What is the rating of the Redmi Note 15 4G and the Vivo X300 Ultra?
The Redmi Note 15 4G has a MobileRank rating of 51/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Redmi Note 15 4G or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 42/100).
Which is more powerful: the Redmi Note 15 4G or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 44/100).
Should you choose the Redmi Note 15 4G over the Vivo X300 Ultra?
The Redmi Note 15 4G 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.