Redmi Note 15 4G vs Vivo iQOO 15 Ultra
The Redmi Note 15 4G (2025) runs on the MediaTek Helio G100 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 51/100 (a 38-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 6000); the main camera is 108 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 576,015); the Redmi Note 15 4G is noticeably lighter (183g vs 227g).
Redmi Note 15 4G
Vivo iQOO 15 Ultra
- Better main camera: 108MP vs 50MP
- Lighter: 183g vs 227g
- Better portability (70/100 vs 35/100)
- Higher AnTuTu: 4602290 vs 576015
- Better Geekbench Single: 3640 vs 727
- Better Geekbench Multi: 11033 vs 2014
- Bigger battery: 7400 vs 6000 mAh
- Faster charging: 120W vs 33W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 44/100)
- Better camera (78/100 vs 42/100)
- Longer battery life (92/100 vs 53/100)
- Better display (99/100 vs 79/100)
Comparing the Redmi Note 15 4G vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 38 points higher (89/100 vs 51/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 44/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 42/100). 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 Note 15 4G (99/100 vs 44/100). In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Redmi Note 15 4G (99/100 vs 79/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi Note 15 4G (78/100 vs 42/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi Note 15 4G (92/100 vs 53/100). In the "portability" category, the Redmi Note 15 4G significantly outperforms the Vivo iQOO 15 Ultra (70/100 vs 35/100).
| Specification | Redmi Note 15 4G | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G100 Ultra | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 576015 | 4602290 | |
| Geekbench Single | 727 | 3640 | |
| Geekbench Multi | 2014 | 11033 | |
| Display | 6.8" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2392 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 6000 mAh | 7400 mAh | |
| Charging | 33W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 108 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB / 24GB | |
| Storage | 128GB / 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 15, up to 4 major Android upgrades, HyperOS 2 | Android 16 | |
| Brightness (peak) | 3200 nits | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | 164.0×75.4×7.9 mm | 163.7×76.8×8.7 mm | |
| Weight | 183 g | 227 g | |
| Launch price | — | $799 |
Redmi Note 15 4G
- Main: 108MP f/f/1.7
- Front: 20MP
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi Note 15 4G
- 6.8" AMOLED
- Resolution: 1080x2392
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Redmi Note 15 4G
- 6000 mAh
- Wired: 33W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
We compared Redmi Note 15 4G and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Redmi Note 15 4G by 87.5% in our overall performance rating.
Redmi Note 15 4G
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi Note 15 4G (99/100 vs 44/100).
display
In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Redmi Note 15 4G (99/100 vs 79/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi Note 15 4G (78/100 vs 42/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi Note 15 4G (92/100 vs 53/100).
portability
In the "portability" category, the Redmi Note 15 4G significantly outperforms the Vivo iQOO 15 Ultra (70/100 vs 35/100).
Which is better: the Redmi Note 15 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Redmi Note 15 4G by 38 points (89/100 vs 51/100).
What is the rating of the Redmi Note 15 4G and the Vivo iQOO 15 Ultra?
The Redmi Note 15 4G has a MobileRank rating of 51/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Redmi Note 15 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 42/100).
Which is more powerful: the Redmi Note 15 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 44/100).
Should you choose the Redmi Note 15 4G over the Vivo iQOO 15 Ultra?
The Redmi Note 15 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.