Redmi 15 4G vs Vivo iQOO Z6 (China)
The Redmi 15 4G (2025) runs on the Qualcomm Snapdragon 685, while the Vivo iQOO Z6 (China) (2022) runs on the Qualcomm Snapdragon 778G+ 5G. By overall MobileRank rating, the Redmi 15 4G leads — 32/100 vs 31/100 (a 1-point difference). Key differences: the Redmi 15 4G has the bigger battery (7000 mAh vs 4500); the main camera is 50 MP vs 64 MP; the Vivo iQOO Z6 (China) is noticeably lighter (194g vs 224g).
Redmi 15 4G
Vivo iQOO Z6 (China)
- Bigger battery: 7000 vs 4500 mAh
- Higher refresh rate: 144Hz vs 120Hz
- Longer battery life (53/100 vs 39/100)
- Better value for money (100/100 vs 55/100)
- Faster charging: 80W vs 33W
- Better main camera: 64MP vs 50MP
- Lighter: 194g vs 224g
- Better camera (34/100 vs 24/100)
- Better design/ergonomics (57/100 vs 20/100)
Comparing the Redmi 15 4G vs the Vivo iQOO Z6 (China), the Redmi 15 4G scores 1 points higher (32/100 vs 31/100). In the "camera" category, the Vivo iQOO Z6 (China) leads (34/100 vs 24/100). In the "battery" category, the Redmi 15 4G leads (53/100 vs 39/100). 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 Vivo iQOO Z6 (China) is a bit better (34/100 vs 24/100). In the "battery" category, the Redmi 15 4G is a bit better (53/100 vs 39/100). In the "design" category, the Vivo iQOO Z6 (China) significantly outperforms the Redmi 15 4G (57/100 vs 20/100). In the "value for money" category, the Redmi 15 4G significantly outperforms the Vivo iQOO Z6 (China) (100/100 vs 55/100).
| Specification | Redmi 15 4G | Vivo iQOO Z6 (China) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 685 | Qualcomm Snapdragon 778G+ 5G | |
| AnTuTu | 467392 | — | |
| Geekbench Single | 466 | — | |
| Geekbench Multi | 1396 | — | |
| Display | 6.9" IPS LCD | 6.6" IPS LCD | |
| Resolution | 1080x2340 | 1080x2388 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 4500 mAh | |
| Charging | 33W | 80W | |
| Main camera | 50 MP | 64 MP | |
| Front camera | 8 MP | 8 MP | |
| RAM | 4GB / 6GB / 8GB | 8GB / 12GB | |
| Storage | 128GB / 256GB | 128GB / 256GB | |
| OS | Android 15, HyperOS 2 | Android 12, Origin OS Ocean | |
| Brightness (peak) | — | 650 nits | |
| NFC | yes | yes | |
| Protection | IP64 | — | |
| Dimensions | 171.1×82.1×8.6 mm | 164.0×75.8×8.6 mm | |
| Weight | 224 g | 194 g | |
| Price | $135 | — |
Redmi 15 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Vivo iQOO Z6 (China)
- Main: 64MP f/f/1.8
- Front: 8MP
Redmi 15 4G
- 6.9" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 144 Hz
Vivo iQOO Z6 (China)
- 6.6" IPS LCD
- Resolution: 1080x2388
- Refresh rate: 120 Hz
Redmi 15 4G
- 7000 mAh
- Wired: 33W
- No wireless charging
Vivo iQOO Z6 (China)
- 4500 mAh
- Wired: 80W
- No wireless charging
Vivo iQOO Z6 (China)
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 Vivo iQOO Z6 (China) is a bit better (34/100 vs 24/100).
battery
In the "battery" category, the Redmi 15 4G is a bit better (53/100 vs 39/100).
design
In the "design" category, the Vivo iQOO Z6 (China) significantly outperforms the Redmi 15 4G (57/100 vs 20/100).
value for money
In the "value for money" category, the Redmi 15 4G significantly outperforms the Vivo iQOO Z6 (China) (100/100 vs 55/100).
Which is better: the Redmi 15 4G or the Vivo iQOO Z6 (China)?
The Redmi 15 4G edges out the Vivo iQOO Z6 (China) by just 1 points — the two devices are very close in overall level.
What is the rating of the Redmi 15 4G and the Vivo iQOO Z6 (China)?
The Redmi 15 4G has a MobileRank rating of 32/100, the Vivo iQOO Z6 (China) — 31/100.
Which has the better camera: the Redmi 15 4G or the Vivo iQOO Z6 (China)?
The Vivo iQOO Z6 (China) leads on camera score (34/100 vs 24/100).
Should you choose the Redmi 15 4G over the Vivo iQOO Z6 (China)?
The Redmi 15 4G is a better fit for budget-conscious buyers. The Vivo iQOO Z6 (China) is a better fit for everyday use.