Vivo Y31s 5G vs Vivo Y400
The Vivo Y31s 5G (2026) runs on the Qualcomm Snapdragon 4 Gen 2, while the Vivo Y400 (2025) runs on the Qualcomm Snapdragon 4 Gen 2; launch prices were $200 and $230. By overall MobileRank rating, the Vivo Y400 leads — 52/100 vs 47/100 (a 5-point difference). Key differences: the Vivo Y31s 5G has the bigger battery (6500 mAh vs 6000); the Vivo Y400 has NFC for contactless payments, the Vivo Y31s 5G doesn't.
Profile comparison
Category scores
Vivo Y31s 5G
Vivo Y400
What makes Vivo Y31s 5G better?
- Bigger battery: 6500 vs 6000 mAh
- Cheaper at launch: $200 vs $230
- Overall rating 47/100
What makes Vivo Y400 better?
- Faster charging: 90W vs 44W
- Lighter: 197g vs 207g
- Longer battery life (65/100 vs 58/100)
- Better display (79/100 vs 55/100)
- Better portability (62/100 vs 50/100)
Comparison verdict
Comparing the Vivo Y31s 5G vs the Vivo Y400, the Vivo Y400 scores 5 points higher (52/100 vs 47/100). Value score: Vivo Y31s 5G — 54/100, Vivo Y400 — 58/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, both devices are on the same level — 46/100. In the "display" category, the Vivo Y400 notably outperforms the Vivo Y31s 5G (79/100 vs 55/100). In the "camera" category, both devices are on the same level — 37/100. In the "battery" category, the Vivo Y400 is a bit better (65/100 vs 58/100). In the "portability" category, the Vivo Y400 is a bit better (62/100 vs 50/100).
Specs comparison
| Specification | Vivo Y31s 5G | Vivo Y400 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 4 Gen 2 | Qualcomm Snapdragon 4 Gen 2 | |
| AnTuTu | 568395 | 568395 | |
| Geekbench Single | 915 | 915 | |
| Geekbench Multi | 2115 | 2115 | |
| Display | 6.7" IPS LCD | 6.7" AMOLED | |
| Resolution | 1600x720 | 1080x2400 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6500 mAh | 6000 mAh | |
| Charging | 44W | 90W | |
| Main camera | 50 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 8GB | 8GB | |
| Storage | 256GB | 128GB / 256GB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | — | 1800 nits | |
| NFC | no | yes | |
| Protection | — | IP69 | |
| Dimensions | 164.2×75.4×8.4 mm | 162.3×75.3×7.9 mm | |
| Weight | 207 g | 197 g | |
| Launch price | $200 | $230 |
Camera comparison
Vivo Y31s 5G
- Main: 50MP f/1.8
- Front: 32MP
Vivo Y400
- Main: 50MP f/1.8
- Front: 32MP
Display comparison
Vivo Y31s 5G
- 6.7" IPS LCD
- Resolution: 1600x720
- Refresh rate: 120 Hz
Vivo Y400
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Battery and charging
Vivo Y31s 5G
- 6500 mAh
- Wired: 44W
- No wireless charging
Vivo Y400
- 6000 mAh
- Wired: 90W
- No wireless charging
Overall performance score
We compared Vivo Y31s 5G and Vivo Y400, covering their specs and all relevant benchmarks.
Equal performance based on benchmark results.
Benchmarks
Launch prices and where to check today's
Launch price difference: $30. Vivo Y31s 5G was $30 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, both devices are on the same level — 46/100.
display
In the "display" category, the Vivo Y400 notably outperforms the Vivo Y31s 5G (79/100 vs 55/100).
camera
In the "camera" category, both devices are on the same level — 37/100.
battery
In the "battery" category, the Vivo Y400 is a bit better (65/100 vs 58/100).
portability
In the "portability" category, the Vivo Y400 is a bit better (62/100 vs 50/100).
Frequently asked questions
Which is better: the Vivo Y31s 5G or the Vivo Y400?
The Vivo Y400 edges out the Vivo Y31s 5G by just 5 points — the two devices are very close in overall level.
What is the rating of the Vivo Y31s 5G and the Vivo Y400?
The Vivo Y31s 5G has a MobileRank rating of 47/100, the Vivo Y400 — 52/100.
Should you choose the Vivo Y31s 5G over the Vivo Y400?
Neither model stands out enough to recommend it for a specific use case: the clearest difference is display — better on the Vivo Y400 (79/100 vs 55/100).