Redmi 15 4G vs Vivo iQOO 15 Ultra
The Redmi 15 4G (2025) runs on the Qualcomm Snapdragon 685, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; estimated prices are $135 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 42/100 (a 47-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 7000); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 467,392).
Redmi 15 4G
Vivo iQOO 15 Ultra
- Lighter: 224g vs 227g
- Cheaper: $135 vs $799
- Better portability (39/100 vs 35/100)
- Higher AnTuTu: 4602290 vs 467392
- Better Geekbench Single: 3640 vs 466
- Better Geekbench Multi: 11033 vs 1396
- Bigger battery: 7400 vs 7000 mAh
- Faster charging: 120W vs 33W
- Higher performance (99/100 vs 33/100)
- Better camera (78/100 vs 30/100)
- Longer battery life (92/100 vs 58/100)
- Better display (99/100 vs 74/100)
Comparing the Redmi 15 4G vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 47 points higher (89/100 vs 42/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 33/100). 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 58/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 15 4G (99/100 vs 33/100). In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Redmi 15 4G (99/100 vs 74/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 15 4G (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 15 4G (92/100 vs 58/100). In the "portability" category, the Redmi 15 4G and the Vivo iQOO 15 Ultra are nearly equal (39/100 vs 35/100).
| Specification | Redmi 15 4G | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 685 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 467392 | 4602290 | |
| Geekbench Single | 466 | 3640 | |
| Geekbench Multi | 1396 | 11033 | |
| Display | 6.9" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 1080x2340 | 1440x3168 | |
| Refresh rate | 144 Hz | 144 Hz | |
| Battery | 7000 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 | 171.1×82.1×8.6 mm | 163.7×76.8×8.7 mm | |
| Weight | 224 g | 227 g | |
| Price | $135 | $799 |
Redmi 15 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 15 4G
- 6.9" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 144 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Redmi 15 4G
- 7000 mAh
- Wired: 33W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
We compared Redmi 15 4G and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Redmi 15 4G by 89.8% in our overall performance rating.
Price difference: $664. Redmi 15 4G is cheaper by $664.
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 15 4G (99/100 vs 33/100).
display
In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Redmi 15 4G (99/100 vs 74/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 15 4G (78/100 vs 30/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 15 4G (92/100 vs 58/100).
portability
In the "portability" category, the Redmi 15 4G and the Vivo iQOO 15 Ultra are nearly equal (39/100 vs 35/100).
Which is better: the Redmi 15 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Redmi 15 4G by 47 points (89/100 vs 42/100).
What is the rating of the Redmi 15 4G and the Vivo iQOO 15 Ultra?
The Redmi 15 4G has a MobileRank rating of 42/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Redmi 15 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 15 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 33/100).
Should you choose the Redmi 15 4G over the Vivo iQOO 15 Ultra?
The Redmi 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.