Redmi 15 4G vs Vivo iQOO Z7
The Redmi 15 4G (2025) runs on the Qualcomm Snapdragon 685, while the Vivo iQOO Z7 (2023) runs on the MediaTek Dimensity 920. By overall MobileRank rating, the Redmi 15 4G leads — 32/100 vs 26/100 (a 6-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 Redmi 15 4G has NFC for contactless payments, the Vivo iQOO Z7 doesn't; the Vivo iQOO Z7 is noticeably lighter (173g vs 224g).
Redmi 15 4G
Vivo iQOO Z7
- Bigger battery: 7000 vs 4500 mAh
- Higher refresh rate: 144Hz vs 90Hz
- Longer battery life (53/100 vs 30/100)
- Better display (100/100 vs 50/100)
- Better value for money (100/100 vs 55/100)
- Faster charging: 44W vs 33W
- Better main camera: 64MP vs 50MP
- Lighter: 173g vs 224g
- Better camera (37/100 vs 24/100)
- Better design/ergonomics (83/100 vs 20/100)
Comparing the Redmi 15 4G vs the Vivo iQOO Z7, the Redmi 15 4G scores 6 points higher (32/100 vs 26/100). In the "camera" category, the Vivo iQOO Z7 leads (37/100 vs 24/100). In the "battery" category, the Redmi 15 4G leads (53/100 vs 30/100). 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, the Redmi 15 4G significantly outperforms the Vivo iQOO Z7 (100/100 vs 50/100). In the "camera" category, the Vivo iQOO Z7 is a bit better (37/100 vs 24/100). In the "battery" category, the Redmi 15 4G notably outperforms the Vivo iQOO Z7 (53/100 vs 30/100). In the "design" category, the Vivo iQOO Z7 significantly outperforms the Redmi 15 4G (83/100 vs 20/100). In the "value for money" category, the Redmi 15 4G significantly outperforms the Vivo iQOO Z7 (100/100 vs 55/100).
| Specification | Redmi 15 4G | Vivo iQOO Z7 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 685 | MediaTek Dimensity 920 | |
| AnTuTu | 467392 | — | |
| Geekbench Single | 466 | — | |
| Geekbench Multi | 1396 | — | |
| Display | 6.9" IPS LCD | 6.4" AMOLED | |
| Resolution | 1080x2340 | 1080x2400 | |
| Refresh rate | 144 Hz | 90 Hz | |
| Battery | 7000 mAh | 4500 mAh | |
| Charging | 33W | 44W | |
| Main camera | 50 MP | 64 MP | |
| Front camera | 8 MP | 16 MP | |
| RAM | 4GB / 6GB / 8GB | 6GB / 8GB | |
| Storage | 128GB / 256GB | 128GB | |
| OS | Android 15, HyperOS 2 | Android 13, Funtouch 13 | |
| Brightness (peak) | — | 1300 nits | |
| NFC | yes | no | |
| Protection | IP64 | IP54 | |
| Dimensions | 171.1×82.1×8.6 mm | 158.9×73.5×7.8 mm | |
| Weight | 224 g | 173 g | |
| Price | $135 | — |
Redmi 15 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Vivo iQOO Z7
- Main: 64MP
- Front: 16MP
Redmi 15 4G
- 6.9" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 144 Hz
Vivo iQOO Z7
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Redmi 15 4G
- 7000 mAh
- Wired: 33W
- No wireless charging
Vivo iQOO Z7
- 4500 mAh
- Wired: 44W
- No wireless charging
Vivo iQOO Z7
Price unknownperformance
In the "performance" category, both devices are on the same level — 0/100.
display
In the "display" category, the Redmi 15 4G significantly outperforms the Vivo iQOO Z7 (100/100 vs 50/100).
camera
In the "camera" category, the Vivo iQOO Z7 is a bit better (37/100 vs 24/100).
battery
In the "battery" category, the Redmi 15 4G notably outperforms the Vivo iQOO Z7 (53/100 vs 30/100).
design
In the "design" category, the Vivo iQOO Z7 significantly outperforms the Redmi 15 4G (83/100 vs 20/100).
value for money
In the "value for money" category, the Redmi 15 4G significantly outperforms the Vivo iQOO Z7 (100/100 vs 55/100).
Which is better: the Redmi 15 4G or the Vivo iQOO Z7?
The Redmi 15 4G edges out the Vivo iQOO Z7 by just 6 points — the two devices are very close in overall level.
What is the rating of the Redmi 15 4G and the Vivo iQOO Z7?
The Redmi 15 4G has a MobileRank rating of 32/100, the Vivo iQOO Z7 — 26/100.
Which has the better camera: the Redmi 15 4G or the Vivo iQOO Z7?
The Vivo iQOO Z7 leads on camera score (37/100 vs 24/100).
Should you choose the Redmi 15 4G over the Vivo iQOO Z7?
The Redmi 15 4G is a better fit for budget-conscious buyers. The Vivo iQOO Z7 is a better fit for everyday use.