Vivo iQOO Z7 vs Vivo Y31s 5G
The Vivo iQOO Z7 (2023) runs on the MediaTek Dimensity 920, while the Vivo Y31s 5G (2026) runs on the Qualcomm Snapdragon 4 Gen 2. By overall MobileRank rating, the Vivo Y31s 5G leads — 36/100 vs 26/100 (a 10-point difference). Key differences: the Vivo Y31s 5G has the bigger battery (6500 mAh vs 4500); the main camera is 64 MP vs 50 MP; the Vivo iQOO Z7 is noticeably lighter (173g vs 207g).
Vivo iQOO Z7
Vivo Y31s 5G
- Better main camera: 64MP vs 50MP
- Lighter: 173g vs 207g
- Better camera (37/100 vs 34/100)
- Better design/ergonomics (83/100 vs 41/100)
- Bigger battery: 6500 vs 4500 mAh
- Higher refresh rate: 120Hz vs 90Hz
- Longer battery life (54/100 vs 30/100)
- Better display (100/100 vs 50/100)
- Better value for money (96/100 vs 55/100)
Comparing the Vivo iQOO Z7 vs the Vivo Y31s 5G, the Vivo Y31s 5G scores 10 points higher (36/100 vs 26/100). In the "battery" category, the Vivo Y31s 5G leads (54/100 vs 30/100). In the "value for money" category, the Vivo Y31s 5G leads (96/100 vs 55/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, the Vivo Y31s 5G significantly outperforms the Vivo iQOO Z7 (100/100 vs 50/100). In the "camera" category, the Vivo iQOO Z7 and the Vivo Y31s 5G are nearly equal (37/100 vs 34/100). In the "battery" category, the Vivo Y31s 5G notably outperforms the Vivo iQOO Z7 (54/100 vs 30/100). In the "design" category, the Vivo iQOO Z7 significantly outperforms the Vivo Y31s 5G (83/100 vs 41/100). In the "value for money" category, the Vivo Y31s 5G significantly outperforms the Vivo iQOO Z7 (96/100 vs 55/100).
| Specification | Vivo iQOO Z7 | Vivo Y31s 5G | |
|---|---|---|---|
| Processor | MediaTek Dimensity 920 | Qualcomm Snapdragon 4 Gen 2 | |
| AnTuTu | — | 560863 | |
| Geekbench Single | — | 923 | |
| Geekbench Multi | — | 2249 | |
| Display | 6.4" AMOLED | 6.7" IPS LCD | |
| Resolution | 1080x2400 | 1600x720 | |
| Refresh rate | 90 Hz | 120 Hz | |
| Battery | 4500 mAh | 6500 mAh | |
| Charging | 44W | 44W | |
| Main camera | 64 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 6GB / 8GB | 8GB | |
| Storage | 128GB | 256GB | |
| OS | Android 13, Funtouch 13 | Android 16 | |
| Brightness (peak) | 1300 nits | — | |
| NFC | no | no | |
| Protection | IP54 | — | |
| Dimensions | 158.9×73.5×7.8 mm | 164.2×75.4×8.4 mm | |
| Weight | 173 g | 207 g | |
| Price | — | $200 |
Vivo iQOO Z7
- Main: 64MP
- Front: 16MP
Vivo Y31s 5G
- Main: 50MP f/f/1.8
- Front: 32MP
Vivo iQOO Z7
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Vivo Y31s 5G
- 6.7" IPS LCD
- Resolution: 1600x720
- Refresh rate: 120 Hz
Vivo iQOO Z7
- 4500 mAh
- Wired: 44W
- No wireless charging
Vivo Y31s 5G
- 6500 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 Y31s 5G significantly outperforms the Vivo iQOO Z7 (100/100 vs 50/100).
camera
In the "camera" category, the Vivo iQOO Z7 and the Vivo Y31s 5G are nearly equal (37/100 vs 34/100).
battery
In the "battery" category, the Vivo Y31s 5G notably outperforms the Vivo iQOO Z7 (54/100 vs 30/100).
design
In the "design" category, the Vivo iQOO Z7 significantly outperforms the Vivo Y31s 5G (83/100 vs 41/100).
value for money
In the "value for money" category, the Vivo Y31s 5G significantly outperforms the Vivo iQOO Z7 (96/100 vs 55/100).
Which is better: the Vivo iQOO Z7 or the Vivo Y31s 5G?
The Vivo Y31s 5G is noticeably better than the Vivo iQOO Z7 — the overall rating gap is 10 points.
What is the rating of the Vivo iQOO Z7 and the Vivo Y31s 5G?
The Vivo iQOO Z7 has a MobileRank rating of 26/100, the Vivo Y31s 5G — 36/100.
Should you choose the Vivo iQOO Z7 over the Vivo Y31s 5G?
The Vivo iQOO Z7 is a better fit for everyday use. The Vivo Y31s 5G is a better fit for budget-conscious buyers.