Redmi Note 15 4G vs Vivo iQOO Z7
The Redmi Note 15 4G (2025) runs on the MediaTek Helio G100 Ultra, while the Vivo iQOO Z7 (2023) runs on the MediaTek Dimensity 920. By overall MobileRank rating, the Redmi Note 15 4G leads — 37/100 vs 26/100 (a 11-point difference). Key differences: the Redmi Note 15 4G has the bigger battery (6000 mAh vs 4500); the main camera is 108 MP vs 64 MP; the Redmi Note 15 4G has NFC for contactless payments, the Vivo iQOO Z7 doesn't.
Redmi Note 15 4G
Vivo iQOO Z7
- Bigger battery: 6000 vs 4500 mAh
- Better main camera: 108MP vs 64MP
- Higher refresh rate: 120Hz vs 90Hz
- Better camera (40/100 vs 37/100)
- Longer battery life (48/100 vs 30/100)
- Better display (100/100 vs 50/100)
- Better value for money (96/100 vs 55/100)
- Faster charging: 44W vs 33W
- Lighter: 173g vs 183g
- Better design/ergonomics (83/100 vs 71/100)
Comparing the Redmi Note 15 4G vs the Vivo iQOO Z7, the Redmi Note 15 4G scores 11 points higher (37/100 vs 26/100). In the "battery" category, the Redmi Note 15 4G leads (48/100 vs 30/100). In the "value for money" category, the Redmi Note 15 4G leads (96/100 vs 55/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, the Redmi Note 15 4G significantly outperforms the Vivo iQOO Z7 (100/100 vs 50/100). In the "camera" category, the Redmi Note 15 4G and the Vivo iQOO Z7 are nearly equal (40/100 vs 37/100). In the "battery" category, the Redmi Note 15 4G notably outperforms the Vivo iQOO Z7 (48/100 vs 30/100). In the "design" category, the Vivo iQOO Z7 is a bit better (83/100 vs 71/100). In the "value for money" category, the Redmi Note 15 4G significantly outperforms the Vivo iQOO Z7 (96/100 vs 55/100).
| Specification | Redmi Note 15 4G | Vivo iQOO Z7 | |
|---|---|---|---|
| Processor | MediaTek Helio G100 Ultra | MediaTek Dimensity 920 | |
| AnTuTu | 408000 | — | |
| Geekbench Single | 760 | — | |
| Geekbench Multi | 1890 | — | |
| Display | 6.8" AMOLED | 6.4" AMOLED | |
| Resolution | 1080x2392 | 1080x2400 | |
| Refresh rate | 120 Hz | 90 Hz | |
| Battery | 6000 mAh | 4500 mAh | |
| Charging | 33W | 44W | |
| Main camera | 108 MP | 64 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 6GB / 8GB | 6GB / 8GB | |
| Storage | 128GB / 256GB / 512GB | 128GB | |
| OS | Android 15, up to 4 major Android upgrades, HyperOS 2 | Android 13, Funtouch 13 | |
| Brightness (peak) | 3200 nits | 1300 nits | |
| NFC | yes | no | |
| Protection | IP64 | IP54 | |
| Dimensions | 164.0×75.4×7.9 mm | 158.9×73.5×7.8 mm | |
| Weight | 183 g | 173 g | |
| Price | $199 | — |
Redmi Note 15 4G
- Main: 108MP f/f/1.7
- Front: 20MP
Vivo iQOO Z7
- Main: 64MP
- Front: 16MP
Redmi Note 15 4G
- 6.8" AMOLED
- Resolution: 1080x2392
- Refresh rate: 120 Hz
Vivo iQOO Z7
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Redmi Note 15 4G
- 6000 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 Note 15 4G significantly outperforms the Vivo iQOO Z7 (100/100 vs 50/100).
camera
In the "camera" category, the Redmi Note 15 4G and the Vivo iQOO Z7 are nearly equal (40/100 vs 37/100).
battery
In the "battery" category, the Redmi Note 15 4G notably outperforms the Vivo iQOO Z7 (48/100 vs 30/100).
design
In the "design" category, the Vivo iQOO Z7 is a bit better (83/100 vs 71/100).
value for money
In the "value for money" category, the Redmi Note 15 4G significantly outperforms the Vivo iQOO Z7 (96/100 vs 55/100).
Which is better: the Redmi Note 15 4G or the Vivo iQOO Z7?
The Redmi Note 15 4G is noticeably better than the Vivo iQOO Z7 — the overall rating gap is 11 points.
What is the rating of the Redmi Note 15 4G and the Vivo iQOO Z7?
The Redmi Note 15 4G has a MobileRank rating of 37/100, the Vivo iQOO Z7 — 26/100.
Should you choose the Redmi Note 15 4G over the Vivo iQOO Z7?
The Redmi Note 15 4G is a better fit for budget-conscious buyers. The Vivo iQOO Z7 is a better fit for everyday use.