Redmi 15C vs Vivo X300 Ultra
The Redmi 15C (2025) runs on the MediaTek Helio G81 Ultra, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $120 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 38/100 (a 53-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 358,608); the Redmi 15C is noticeably lighter (205g vs 230g).
Profile comparison
Category scores
Redmi 15C
Vivo X300 Ultra
What makes Redmi 15C better?
- Lighter: 205g vs 230g
- Cheaper at launch: $120 vs $950
- Better portability (56/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 358608
- Better Geekbench Single: 3639 vs 432
- Better Geekbench Multi: 11047 vs 1416
- Bigger battery: 7000 vs 6000 mAh
- Faster charging: 100W vs 33W
- Better main camera: 200MP vs 50MP
- Higher performance (99/100 vs 30/100)
- Better camera (96/100 vs 30/100)
- Longer battery life (85/100 vs 53/100)
- Better display (89/100 vs 55/100)
Comparison verdict
Comparing the Redmi 15C vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 53 points higher (91/100 vs 38/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 30/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 30/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 53/100). Value score: Redmi 15C — 58/100, Vivo X300 Ultra — 94/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Vivo X300 Ultra significantly outperforms the Redmi 15C (99/100 vs 30/100). In the "display" category, the Vivo X300 Ultra significantly outperforms the Redmi 15C (89/100 vs 55/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Redmi 15C (96/100 vs 30/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Redmi 15C (85/100 vs 53/100). In the "portability" category, the Redmi 15C notably outperforms the Vivo X300 Ultra (56/100 vs 39/100).
Specs comparison
| Specification | Redmi 15C | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G81 Ultra | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 358608 | 4247433 | |
| Geekbench Single | 432 | 3639 | |
| Geekbench Multi | 1416 | 11047 | |
| Display | 6.9" IPS LCD | 6.8" LTPO OLED | |
| Resolution | 1600x720 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6000 mAh | 7000 mAh | |
| Charging | 33W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 4GB / 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Xiaomi HyperOS 2 | Android 16 | |
| Brightness (peak) | 810 nits | — | |
| NFC | yes | yes | |
| Protection | IP64 | IP69 | |
| Dimensions | 171.6×79.5×8.0 mm | 163.0×76.8×8.2 mm | |
| Weight | 205 g | 230 g | |
| Launch price | $120 | $950 |
Camera comparison
Redmi 15C
- Main: 50MP f/1.8
- Front: 8MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Redmi 15C
- 6.9" IPS LCD
- Resolution: 1600x720
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Redmi 15C
- 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
Overall performance score
We compared Redmi 15C and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Redmi 15C by 91.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $830. Redmi 15C was $830 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Redmi 15C (99/100 vs 30/100).
display
In the "display" category, the Vivo X300 Ultra significantly outperforms the Redmi 15C (89/100 vs 55/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Redmi 15C (96/100 vs 30/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Redmi 15C (85/100 vs 53/100).
portability
In the "portability" category, the Redmi 15C notably outperforms the Vivo X300 Ultra (56/100 vs 39/100).
Frequently asked questions
Which is better: the Redmi 15C or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Redmi 15C by 53 points (91/100 vs 38/100).
What is the rating of the Redmi 15C and the Vivo X300 Ultra?
The Redmi 15C has a MobileRank rating of 38/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Redmi 15C or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 30/100).
Which is more powerful: the Redmi 15C or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 30/100).
Should you choose the Redmi 15C over the Vivo X300 Ultra?
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.