Realme C100 4G vs Vivo Y31d
The Realme C100 4G (2026) runs on the MediaTek Helio G92 Max, 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 30/100 (a 3-point difference). Key differences: the Realme C100 4G has the bigger battery (8000 mAh vs 7200); the Realme C100 4G has NFC for contactless payments, the Vivo Y31d doesn't.
Realme C100 4G
Vivo Y31d
- Bigger battery: 8000 vs 7200 mAh
- Overall rating 30/100
- Faster charging: 44W vs 15W
- Longer battery life (57/100 vs 54/100)
- Better value for money (97/100 vs 55/100)
Comparing the Realme C100 4G vs the Vivo Y31d, the Vivo Y31d scores 3 points higher (33/100 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, 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 and the Realme C100 4G are nearly equal (57/100 vs 54/100). In the "design" category, both devices are on the same level — 26/100. In the "value for money" category, the Vivo Y31d significantly outperforms the Realme C100 4G (97/100 vs 55/100).
| Specification | Realme C100 4G | Vivo Y31d | |
|---|---|---|---|
| Processor | MediaTek Helio G92 Max | Qualcomm Snapdragon 6s 4G Gen 2 | |
| AnTuTu | — | 522680 | |
| Geekbench Single | — | 489 | |
| Geekbench Multi | — | 1532 | |
| Display | 6.8" IPS LCD | 6.8" IPS LCD | |
| Resolution | 720x1570 | 720x1570 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 8000 mAh | 7200 mAh | |
| Charging | 15W | 44W | |
| Main camera | 50 MP | 50 MP | |
| Front camera | 8 MP | 8 MP | |
| RAM | 8GB | 6GB / 8GB | |
| Storage | 256GB | 128GB / 256GB | |
| OS | Android 16, Realme UI 7.0 | Android 16 | |
| Brightness (peak) | 1200 nits | 1250 nits | |
| NFC | yes | no | |
| Protection | IP66 | IP68/IP69 | |
| Dimensions | 166.5×78.2×8.6 mm | 166.6×78.4×8.4 mm | |
| Weight | 219 g | 219 g | |
| Price | — | $185 |
Realme C100 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Vivo Y31d
- Main: 50MP f/f/2.0
- Front: 8MP
Realme C100 4G
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Vivo Y31d
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Realme C100 4G
- 8000 mAh
- Wired: 15W
- No wireless charging
Vivo Y31d
- 7200 mAh
- Wired: 44W
- No wireless charging
Realme C100 4G
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 and the Realme C100 4G are nearly equal (57/100 vs 54/100).
design
In the "design" category, both devices are on the same level — 26/100.
value for money
In the "value for money" category, the Vivo Y31d significantly outperforms the Realme C100 4G (97/100 vs 55/100).
Which is better: the Realme C100 4G or the Vivo Y31d?
The Vivo Y31d edges out the Realme C100 4G by just 3 points — the two devices are very close in overall level.
What is the rating of the Realme C100 4G and the Vivo Y31d?
The Realme C100 4G has a MobileRank rating of 30/100, the Vivo Y31d — 33/100.
Should you choose the Realme C100 4G over the Vivo Y31d?
The Realme C100 4G is a better fit for everyday use. The Vivo Y31d is a better fit for budget-conscious buyers.