Redmi 15 4G vs Vivo X300 Ultra
The Redmi 15 4G (2025) runs on the Qualcomm Snapdragon 685, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; estimated prices are $135 and $10498. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 42/100 (a 49-point difference). Key differences: the main camera is 50 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 467,392).
Redmi 15 4G
Vivo X300 Ultra
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 224g vs 230g
- Cheaper: $135 vs $10498
- Overall rating 42/100
- Higher AnTuTu: 4247433 vs 467392
- Better Geekbench Single: 3640 vs 466
- Better Geekbench Multi: 11033 vs 1396
- Faster charging: 100W vs 33W
- Better main camera: 200MP vs 50MP
- Higher performance (99/100 vs 33/100)
- Better camera (96/100 vs 30/100)
- Longer battery life (85/100 vs 58/100)
- Better display (89/100 vs 74/100)
- Better value for money (86/100 vs 62/100)
Comparing the Redmi 15 4G vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 49 points higher (91/100 vs 42/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 33/100). 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 58/100). In the "value for money" category, the Vivo X300 Ultra leads (86/100 vs 62/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Redmi 15 4G (99/100 vs 33/100). In the "display" category, the Vivo X300 Ultra notably outperforms the Redmi 15 4G (89/100 vs 74/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Redmi 15 4G (96/100 vs 30/100). In the "battery" category, the Vivo X300 Ultra notably outperforms the Redmi 15 4G (85/100 vs 58/100). In the "portability" category, both devices are on the same level — 39/100. In the "value for money" category, the Vivo X300 Ultra notably outperforms the Redmi 15 4G (86/100 vs 62/100).
| Specification | Redmi 15 4G | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 685 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 467392 | 4247433 | |
| Geekbench Single | 466 | 3640 | |
| Geekbench Multi | 1396 | 11033 | |
| Display | 6.9" IPS LCD | 6.8" LTPO OLED | |
| Resolution | 1080x2340 | 3168x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 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 | Android 15, HyperOS 2 | Android 16 | |
| NFC | yes | yes | |
| Protection | IP64 | IP69 | |
| Dimensions | 171.1×82.1×8.6 mm | 163.0×76.8×8.2 mm | |
| Weight | 224 g | 230 g | |
| Price | $135 | $10498 |
Redmi 15 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Redmi 15 4G
- 6.9" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 144 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Redmi 15 4G
- 7000 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 15 4G and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Redmi 15 4G by 89.0% in our overall performance rating.
Price difference: $10363. Redmi 15 4G is cheaper by $10363.
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Redmi 15 4G (99/100 vs 33/100).
display
In the "display" category, the Vivo X300 Ultra notably outperforms the Redmi 15 4G (89/100 vs 74/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Redmi 15 4G (96/100 vs 30/100).
battery
In the "battery" category, the Vivo X300 Ultra notably outperforms the Redmi 15 4G (85/100 vs 58/100).
portability
In the "portability" category, both devices are on the same level — 39/100.
value for money
In the "value for money" category, the Vivo X300 Ultra notably outperforms the Redmi 15 4G (86/100 vs 62/100).
Which is better: the Redmi 15 4G or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Redmi 15 4G by 49 points (91/100 vs 42/100).
What is the rating of the Redmi 15 4G and the Vivo X300 Ultra?
The Redmi 15 4G has a MobileRank rating of 42/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Redmi 15 4G or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 30/100).
Which is more powerful: the Redmi 15 4G or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 33/100).
Should you choose the Redmi 15 4G over the Vivo X300 Ultra?
The Redmi 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.