Poco C40 vs Vivo Y31d
The Poco C40 (2022) runs on the JLQ, 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 11/100 (a 22-point difference). Key differences: the Vivo Y31d has the bigger battery (7200 mAh vs 6000); the main camera is 13 MP vs 50 MP; the Poco C40 has NFC for contactless payments, the Vivo Y31d doesn't; the Poco C40 is noticeably lighter (204g vs 219g).
Poco C40
Vivo Y31d
- Lighter: 204g vs 219g
- Better design/ergonomics (45/100 vs 26/100)
- Bigger battery: 7200 vs 6000 mAh
- Faster charging: 44W vs 18W
- Better main camera: 50MP vs 13MP
- Better camera (24/100 vs 0/100)
- Longer battery life (57/100 vs 45/100)
- Better display (100/100 vs 0/100)
- Better value for money (97/100 vs 55/100)
Comparing the Poco C40 vs the Vivo Y31d, the Vivo Y31d scores 22 points higher (33/100 vs 11/100). In the "camera" category, the Vivo Y31d leads (24/100 vs 0/100). In the "battery" category, the Vivo Y31d leads (57/100 vs 45/100). 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 Poco C40 (100/100 vs 0/100). In the "camera" category, the Vivo Y31d notably outperforms the Poco C40 (24/100 vs 0/100). In the "battery" category, the Vivo Y31d is a bit better (57/100 vs 45/100). In the "design" category, the Poco C40 notably outperforms the Vivo Y31d (45/100 vs 26/100). In the "value for money" category, the Vivo Y31d significantly outperforms the Poco C40 (97/100 vs 55/100).
| Specification | Poco C40 | Vivo Y31d | |
|---|---|---|---|
| Processor | JLQ | Qualcomm Snapdragon 6s 4G Gen 2 | |
| AnTuTu | — | 522680 | |
| Geekbench Single | — | 489 | |
| Geekbench Multi | — | 1532 | |
| Display | 6.7" IPS LCD | 6.8" IPS LCD | |
| Resolution | 720x1650 | 720x1570 | |
| Refresh rate | — | 120 Hz | |
| Battery | 6000 mAh | 7200 mAh | |
| Charging | 18W | 44W | |
| Main camera | 13 MP | 50 MP | |
| Front camera | 5 MP | 8 MP | |
| RAM | 3GB / 4GB | 6GB / 8GB | |
| Storage | 32GB / 64GB | 128GB / 256GB | |
| OS | Android 11, MIUI 13 for POCO | Android 16 | |
| Brightness (peak) | 400 nits | 1250 nits | |
| NFC | yes | no | |
| Protection | — | IP68/IP69 | |
| Dimensions | 169.6×76.6×9.2 mm | 166.6×78.4×8.4 mm | |
| Weight | 204 g | 219 g | |
| Price | — | $185 |
Poco C40
- Main: 13MP f/f/2.2
- Front: 5MP
Vivo Y31d
- Main: 50MP f/f/2.0
- Front: 8MP
Poco C40
- 6.7" IPS LCD
- Resolution: 720x1650
- Refresh rate: —
Vivo Y31d
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Poco C40
- 6000 mAh
- Wired: 18W
- No wireless charging
Vivo Y31d
- 7200 mAh
- Wired: 44W
- No wireless charging
Poco C40
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 Poco C40 (100/100 vs 0/100).
camera
In the "camera" category, the Vivo Y31d notably outperforms the Poco C40 (24/100 vs 0/100).
battery
In the "battery" category, the Vivo Y31d is a bit better (57/100 vs 45/100).
design
In the "design" category, the Poco C40 notably outperforms the Vivo Y31d (45/100 vs 26/100).
value for money
In the "value for money" category, the Vivo Y31d significantly outperforms the Poco C40 (97/100 vs 55/100).
Which is better: the Poco C40 or the Vivo Y31d?
The Vivo Y31d significantly outperforms the Poco C40 by 22 points (33/100 vs 11/100).
What is the rating of the Poco C40 and the Vivo Y31d?
The Poco C40 has a MobileRank rating of 11/100, the Vivo Y31d — 33/100.
Which has the better camera: the Poco C40 or the Vivo Y31d?
The Vivo Y31d leads on camera score (24/100 vs 0/100).
Should you choose the Poco C40 over the Vivo Y31d?
The Poco C40 is a better fit for everyday use. The Vivo Y31d is a better fit for budget-conscious buyers.