Infinix Zero Ultra vs Redmi 15 4G
The Infinix Zero Ultra (2022) runs on the MediaTek Dimensity 920, while the Redmi 15 4G (2025) runs on the Qualcomm Snapdragon 685. By overall MobileRank rating, the Infinix Zero Ultra leads — 37/100 vs 32/100 (a 5-point difference). Key differences: the Redmi 15 4G has the bigger battery (7000 mAh vs 4500); the main camera is 200 MP vs 50 MP; the Redmi 15 4G has NFC for contactless payments, the Infinix Zero Ultra doesn't.
Infinix Zero Ultra
Redmi 15 4G
- Faster charging: 180W vs 33W
- Better main camera: 200MP vs 50MP
- Lighter: 213g vs 224g
- Better camera (54/100 vs 24/100)
- Better design/ergonomics (33/100 vs 20/100)
- Bigger battery: 7000 vs 4500 mAh
- Higher refresh rate: 144Hz vs 120Hz
- Longer battery life (53/100 vs 49/100)
- Better value for money (100/100 vs 55/100)
Comparing the Infinix Zero Ultra vs the Redmi 15 4G, the Infinix Zero Ultra scores 5 points higher (37/100 vs 32/100). In the "camera" category, the Infinix Zero Ultra leads (54/100 vs 24/100). In the "value for money" category, the Redmi 15 4G leads (100/100 vs 55/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Infinix Zero Ultra significantly outperforms the Redmi 15 4G (54/100 vs 24/100). In the "battery" category, the Redmi 15 4G and the Infinix Zero Ultra are nearly equal (53/100 vs 49/100). In the "design" category, the Infinix Zero Ultra is a bit better (33/100 vs 20/100). In the "value for money" category, the Redmi 15 4G significantly outperforms the Infinix Zero Ultra (100/100 vs 55/100).
| Specification | Infinix Zero Ultra | Redmi 15 4G | |
|---|---|---|---|
| Processor | MediaTek Dimensity 920 | Qualcomm Snapdragon 685 | |
| AnTuTu | — | 467392 | |
| Geekbench Single | — | 466 | |
| Geekbench Multi | — | 1396 | |
| Display | 6.8" AMOLED | 6.9" IPS LCD | |
| Resolution | 1080x2400 | 1080x2340 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 4500 mAh | 7000 mAh | |
| Charging | 180W | 33W | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 13 MP | 0 MP | |
| Front camera | 32 MP | 8 MP | |
| RAM | 8GB | 4GB / 6GB / 8GB | |
| Storage | 256GB | 128GB / 256GB | |
| OS | Android 12, XOS 12 | Android 15, HyperOS 2 | |
| NFC | no | yes | |
| Protection | — | IP64 | |
| Dimensions | 165.5×74.5×8.8 mm | 171.1×82.1×8.6 mm | |
| Weight | 213 g | 224 g | |
| Price | — | $135 |
Infinix Zero Ultra
- Main: 200MP f/f/2.0
- Ultrawide: 13MP
- Front: 32MP
Redmi 15 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Infinix Zero Ultra
- 6.8" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Redmi 15 4G
- 6.9" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 144 Hz
Infinix Zero Ultra
- 4500 mAh
- Wired: 180W
- No wireless charging
Redmi 15 4G
- 7000 mAh
- Wired: 33W
- No wireless charging
Infinix Zero Ultra
Price unknownperformance
In the "performance" category, both devices are on the same level — 0/100.
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Infinix Zero Ultra significantly outperforms the Redmi 15 4G (54/100 vs 24/100).
battery
In the "battery" category, the Redmi 15 4G and the Infinix Zero Ultra are nearly equal (53/100 vs 49/100).
design
In the "design" category, the Infinix Zero Ultra is a bit better (33/100 vs 20/100).
value for money
In the "value for money" category, the Redmi 15 4G significantly outperforms the Infinix Zero Ultra (100/100 vs 55/100).
Which is better: the Infinix Zero Ultra or the Redmi 15 4G?
The Infinix Zero Ultra edges out the Redmi 15 4G by just 5 points — the two devices are very close in overall level.
What is the rating of the Infinix Zero Ultra and the Redmi 15 4G?
The Infinix Zero Ultra has a MobileRank rating of 37/100, the Redmi 15 4G — 32/100.
Which has the better camera: the Infinix Zero Ultra or the Redmi 15 4G?
The Infinix Zero Ultra leads on camera score (54/100 vs 24/100).
Should you choose the Infinix Zero Ultra over the Redmi 15 4G?
The Infinix Zero Ultra is a better fit for everyday use. The Redmi 15 4G is a better fit for budget-conscious buyers.