Vivo Y31d vs Vivo Y77 (China)
The Vivo Y31d (2026) runs on the Qualcomm Snapdragon 6s 4G Gen 2, while the Vivo Y77 (China) (2022) runs on the MediaTek Dimensity 930. By overall MobileRank rating, the Vivo Y31d leads — 33/100 vs 29/100 (a 4-point difference). Key differences: the Vivo Y31d has the bigger battery (7200 mAh vs 4500); the Vivo Y77 (China) is noticeably lighter (194g vs 219g).
Vivo Y31d
Vivo Y77 (China)
- Bigger battery: 7200 vs 4500 mAh
- Longer battery life (57/100 vs 39/100)
- Better value for money (97/100 vs 55/100)
- Faster charging: 80W vs 44W
- Lighter: 194g vs 219g
- Better design/ergonomics (57/100 vs 26/100)
Comparing the Vivo Y31d vs the Vivo Y77 (China), the Vivo Y31d scores 4 points higher (33/100 vs 29/100). In the "battery" category, the Vivo Y31d leads (57/100 vs 39/100). 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, both devices are on the same level — 100/100. In the "camera" category, both devices are on the same level — 24/100. In the "battery" category, the Vivo Y31d notably outperforms the Vivo Y77 (China) (57/100 vs 39/100). In the "design" category, the Vivo Y77 (China) significantly outperforms the Vivo Y31d (57/100 vs 26/100). In the "value for money" category, the Vivo Y31d significantly outperforms the Vivo Y77 (China) (97/100 vs 55/100).
| Specification | Vivo Y31d | Vivo Y77 (China) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 6s 4G Gen 2 | MediaTek Dimensity 930 | |
| AnTuTu | 522680 | — | |
| Geekbench Single | 489 | — | |
| Geekbench Multi | 1532 | — | |
| Display | 6.8" IPS LCD | 6.6" IPS LCD | |
| Resolution | 720x1570 | 1080x2388 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7200 mAh | 4500 mAh | |
| Charging | 44W | 80W | |
| Main camera | 50 MP | 50 MP | |
| Front camera | 8 MP | 8 MP | |
| RAM | 6GB / 8GB | 6GB / 8GB / 12GB | |
| Storage | 128GB / 256GB | 128GB / 256GB | |
| OS | Android 16 | Android 12, Origin OS Ocean | |
| Brightness (peak) | 1250 nits | — | |
| NFC | no | no | |
| Protection | IP68/IP69 | — | |
| Dimensions | 166.6×78.4×8.4 mm | 164.2×75.8×8.6 mm | |
| Weight | 219 g | 194 g | |
| Price | $185 | — |
Vivo Y31d
- Main: 50MP f/f/2.0
- Front: 8MP
Vivo Y77 (China)
- Main: 50MP f/f/1.8
- Front: 8MP
Vivo Y31d
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Vivo Y77 (China)
- 6.6" IPS LCD
- Resolution: 1080x2388
- Refresh rate: 120 Hz
Vivo Y31d
- 7200 mAh
- Wired: 44W
- No wireless charging
Vivo Y77 (China)
- 4500 mAh
- Wired: 80W
- No wireless charging
Vivo Y77 (China)
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, both devices are on the same level — 24/100.
battery
In the "battery" category, the Vivo Y31d notably outperforms the Vivo Y77 (China) (57/100 vs 39/100).
design
In the "design" category, the Vivo Y77 (China) significantly outperforms the Vivo Y31d (57/100 vs 26/100).
value for money
In the "value for money" category, the Vivo Y31d significantly outperforms the Vivo Y77 (China) (97/100 vs 55/100).
Which is better: the Vivo Y31d or the Vivo Y77 (China)?
The Vivo Y31d edges out the Vivo Y77 (China) by just 4 points — the two devices are very close in overall level.
What is the rating of the Vivo Y31d and the Vivo Y77 (China)?
The Vivo Y31d has a MobileRank rating of 33/100, the Vivo Y77 (China) — 29/100.
Should you choose the Vivo Y31d over the Vivo Y77 (China)?
The Vivo Y31d is a better fit for budget-conscious buyers. The Vivo Y77 (China) is a better fit for everyday use.