Vivo iQOO Z7 vs Vivo Y31d
The Vivo iQOO Z7 (2023) runs on the MediaTek Dimensity 920, while the Vivo Y31d (2026) runs on the Qualcomm Snapdragon 6s 4G Gen 2. By overall MobileRank rating, the Vivo Y31d leads — 33/100 vs 26/100 (a 7-point difference). Key differences: the Vivo Y31d has the bigger battery (7200 mAh vs 4500); the main camera is 64 MP vs 50 MP; the Vivo iQOO Z7 is noticeably lighter (173g vs 219g).
Vivo iQOO Z7
Vivo Y31d
- Better main camera: 64MP vs 50MP
- Lighter: 173g vs 219g
- Better camera (37/100 vs 24/100)
- Better design/ergonomics (83/100 vs 26/100)
- Bigger battery: 7200 vs 4500 mAh
- Higher refresh rate: 120Hz vs 90Hz
- Longer battery life (57/100 vs 30/100)
- Better display (100/100 vs 50/100)
- Better value for money (97/100 vs 55/100)
Comparing the Vivo iQOO Z7 vs the Vivo Y31d, the Vivo Y31d scores 7 points higher (33/100 vs 26/100). In the "camera" category, the Vivo iQOO Z7 leads (37/100 vs 24/100). In the "battery" category, the Vivo Y31d leads (57/100 vs 30/100). In the "value for money" category, the Vivo Y31d leads (97/100 vs 55/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, the Vivo Y31d 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 Vivo Y31d notably outperforms the Vivo iQOO Z7 (57/100 vs 30/100). In the "design" category, the Vivo iQOO Z7 significantly outperforms the Vivo Y31d (83/100 vs 26/100). In the "value for money" category, the Vivo Y31d significantly outperforms the Vivo iQOO Z7 (97/100 vs 55/100).
| Specification | Vivo iQOO Z7 | Vivo Y31d | |
|---|---|---|---|
| Processor | MediaTek Dimensity 920 | Qualcomm Snapdragon 6s 4G Gen 2 | |
| AnTuTu | — | 522680 | |
| Geekbench Single | — | 489 | |
| Geekbench Multi | — | 1532 | |
| Display | 6.4" AMOLED | 6.8" IPS LCD | |
| Resolution | 1080x2400 | 720x1570 | |
| Refresh rate | 90 Hz | 120 Hz | |
| Battery | 4500 mAh | 7200 mAh | |
| Charging | 44W | 44W | |
| Main camera | 64 MP | 50 MP | |
| Front camera | 16 MP | 8 MP | |
| RAM | 6GB / 8GB | 6GB / 8GB | |
| Storage | 128GB | 128GB / 256GB | |
| OS | Android 13, Funtouch 13 | Android 16 | |
| Brightness (peak) | 1300 nits | 1250 nits | |
| NFC | no | no | |
| Protection | IP54 | IP68/IP69 | |
| Dimensions | 158.9×73.5×7.8 mm | 166.6×78.4×8.4 mm | |
| Weight | 173 g | 219 g | |
| Price | — | $185 |
Vivo iQOO Z7
- Main: 64MP
- Front: 16MP
Vivo Y31d
- Main: 50MP f/f/2.0
- Front: 8MP
Vivo iQOO Z7
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Vivo Y31d
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Vivo iQOO Z7
- 4500 mAh
- Wired: 44W
- No wireless charging
Vivo Y31d
- 7200 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 Vivo Y31d 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 Vivo Y31d notably outperforms the Vivo iQOO Z7 (57/100 vs 30/100).
design
In the "design" category, the Vivo iQOO Z7 significantly outperforms the Vivo Y31d (83/100 vs 26/100).
value for money
In the "value for money" category, the Vivo Y31d significantly outperforms the Vivo iQOO Z7 (97/100 vs 55/100).
Which is better: the Vivo iQOO Z7 or the Vivo Y31d?
The Vivo Y31d edges out the Vivo iQOO Z7 by just 7 points — the two devices are very close in overall level.
What is the rating of the Vivo iQOO Z7 and the Vivo Y31d?
The Vivo iQOO Z7 has a MobileRank rating of 26/100, the Vivo Y31d — 33/100.
Which has the better camera: the Vivo iQOO Z7 or the Vivo Y31d?
The Vivo iQOO Z7 leads on camera score (37/100 vs 24/100).
Should you choose the Vivo iQOO Z7 over the Vivo Y31d?
The Vivo iQOO Z7 is a better fit for everyday use. The Vivo Y31d is a better fit for budget-conscious buyers.