Redmi 15C 4G vs Vivo iQOO 15 Ultra
The Redmi 15C 4G (2025) runs on the MediaTek Helio G81 Ultra, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 38/100 (a 51-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 6000); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 358,383); the Redmi 15C 4G is noticeably lighter (205g vs 227g).
Redmi 15C 4G
Vivo iQOO 15 Ultra
- Lighter: 205g vs 227g
- Better portability (56/100 vs 35/100)
- Higher AnTuTu: 4602290 vs 358383
- Better Geekbench Single: 3640 vs 432
- Better Geekbench Multi: 11033 vs 1416
- Bigger battery: 7400 vs 6000 mAh
- Faster charging: 120W vs 33W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 30/100)
- Better camera (78/100 vs 30/100)
- Longer battery life (92/100 vs 53/100)
- Better display (99/100 vs 55/100)
Comparing the Redmi 15C 4G vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 51 points higher (89/100 vs 38/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 30/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 53/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 15C 4G (99/100 vs 30/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 15C 4G (99/100 vs 55/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 15C 4G (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 15C 4G (92/100 vs 53/100). In the "portability" category, the Redmi 15C 4G notably outperforms the Vivo iQOO 15 Ultra (56/100 vs 35/100).
| Specification | Redmi 15C 4G | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G81 Ultra | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 358383 | 4602290 | |
| Geekbench Single | 432 | 3640 | |
| Geekbench Multi | 1416 | 11033 | |
| Display | 6.9" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1600 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 6000 mAh | 7400 mAh | |
| Charging | 33W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 4GB / 6GB / 8GB | 12GB / 16GB / 24GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15, HyperOS 2 | Android 16 | |
| Brightness (peak) | — | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | 171.6×79.5×8.0 mm | 163.7×76.8×8.7 mm | |
| Weight | 205 g | 227 g | |
| Launch price | — | $799 |
Redmi 15C 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi 15C 4G
- 6.9" IPS LCD
- Resolution: 720x1600
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Redmi 15C 4G
- 6000 mAh
- Wired: 33W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
We compared Redmi 15C 4G and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Redmi 15C 4G by 92.2% in our overall performance rating.
Redmi 15C 4G
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 15C 4G (99/100 vs 30/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 15C 4G (99/100 vs 55/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 15C 4G (78/100 vs 30/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 15C 4G (92/100 vs 53/100).
portability
In the "portability" category, the Redmi 15C 4G notably outperforms the Vivo iQOO 15 Ultra (56/100 vs 35/100).
Which is better: the Redmi 15C 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Redmi 15C 4G by 51 points (89/100 vs 38/100).
What is the rating of the Redmi 15C 4G and the Vivo iQOO 15 Ultra?
The Redmi 15C 4G has a MobileRank rating of 38/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Redmi 15C 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 30/100).
Which is more powerful: the Redmi 15C 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 30/100).
Should you choose the Redmi 15C 4G over the Vivo iQOO 15 Ultra?
The Redmi 15C 4G is a better fit for everyday use. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.