Redmi 15 4G vs Vivo iQOO Z9 (India)
The Redmi 15 4G (2025) runs on the Qualcomm Snapdragon 685, while the Vivo iQOO Z9 (India) (2024) runs on the MediaTek Dimensity 7200. By overall MobileRank rating, the Redmi 15 4G leads — 32/100 vs 30/100 (a 2-point difference). Key differences: the Redmi 15 4G has the bigger battery (7000 mAh vs 5000); the Redmi 15 4G has NFC for contactless payments, the Vivo iQOO Z9 (India) doesn't; the Vivo iQOO Z9 (India) is noticeably lighter (188g vs 224g).
Redmi 15 4G
Vivo iQOO Z9 (India)
- Bigger battery: 7000 vs 5000 mAh
- Higher refresh rate: 144Hz vs 120Hz
- Longer battery life (53/100 vs 42/100)
- Better value for money (100/100 vs 55/100)
- Faster charging: 44W vs 33W
- Lighter: 188g vs 224g
- Better camera (27/100 vs 24/100)
- Better design/ergonomics (65/100 vs 20/100)
Comparing the Redmi 15 4G vs the Vivo iQOO Z9 (India), the Redmi 15 4G scores 2 points higher (32/100 vs 30/100). In the "battery" category, the Redmi 15 4G leads (53/100 vs 42/100). 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 Z9 (India) and the Redmi 15 4G are nearly equal (27/100 vs 24/100). In the "battery" category, the Redmi 15 4G is a bit better (53/100 vs 42/100). In the "design" category, the Vivo iQOO Z9 (India) significantly outperforms the Redmi 15 4G (65/100 vs 20/100). In the "value for money" category, the Redmi 15 4G significantly outperforms the Vivo iQOO Z9 (India) (100/100 vs 55/100).
| Specification | Redmi 15 4G | Vivo iQOO Z9 (India) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 685 | MediaTek Dimensity 7200 | |
| AnTuTu | 467392 | — | |
| Geekbench Single | 466 | — | |
| Geekbench Multi | 1396 | — | |
| Display | 6.9" IPS LCD | 6.7" AMOLED | |
| Resolution | 1080x2340 | 1080x2400 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 5000 mAh | |
| Charging | 33W | 44W | |
| Main camera | 50 MP | 50 MP | |
| Front camera | 8 MP | 16 MP | |
| RAM | 4GB / 6GB / 8GB | 8GB | |
| Storage | 128GB / 256GB | 128GB / 256GB | |
| OS | Android 15, HyperOS 2 | Android 14, Funtouch 14 | |
| Brightness (peak) | — | 1800 nits | |
| NFC | yes | no | |
| Protection | IP64 | IP54 | |
| Dimensions | 171.1×82.1×8.6 mm | 163.2×75.8×7.8 mm | |
| Weight | 224 g | 188 g | |
| Price | $135 | — |
Redmi 15 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Vivo iQOO Z9 (India)
- Main: 50MP f/f/1.8
- Front: 16MP
Redmi 15 4G
- 6.9" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 144 Hz
Vivo iQOO Z9 (India)
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Redmi 15 4G
- 7000 mAh
- Wired: 33W
- No wireless charging
Vivo iQOO Z9 (India)
- 5000 mAh
- Wired: 44W
- No wireless charging
Vivo iQOO Z9 (India)
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 Z9 (India) and the Redmi 15 4G are nearly equal (27/100 vs 24/100).
battery
In the "battery" category, the Redmi 15 4G is a bit better (53/100 vs 42/100).
design
In the "design" category, the Vivo iQOO Z9 (India) significantly outperforms the Redmi 15 4G (65/100 vs 20/100).
value for money
In the "value for money" category, the Redmi 15 4G significantly outperforms the Vivo iQOO Z9 (India) (100/100 vs 55/100).
Which is better: the Redmi 15 4G or the Vivo iQOO Z9 (India)?
The Redmi 15 4G edges out the Vivo iQOO Z9 (India) by just 2 points — the two devices are very close in overall level.
What is the rating of the Redmi 15 4G and the Vivo iQOO Z9 (India)?
The Redmi 15 4G has a MobileRank rating of 32/100, the Vivo iQOO Z9 (India) — 30/100.
Should you choose the Redmi 15 4G over the Vivo iQOO Z9 (India)?
The Redmi 15 4G is a better fit for budget-conscious buyers. The Vivo iQOO Z9 (India) is a better fit for everyday use.