Samsung Galaxy Z Fold8 vs Vivo Y31s 5G
The Samsung Galaxy Z Fold8 (2026) runs on the Snapdragon 8 Elite Gen 5, while the Vivo Y31s 5G (2026) runs on the Qualcomm Snapdragon 4 Gen 2; launch prices were $1999 and $200. By overall MobileRank rating, the Samsung Galaxy Z Fold8 leads — 73/100 vs 47/100 (a 26-point difference). Key differences: the Vivo Y31s 5G has the bigger battery (6500 mAh vs 4800); the Samsung Galaxy Z Fold8 is faster in AnTuTu (3,382,020 vs 568,395); the Samsung Galaxy Z Fold8 has NFC for contactless payments, the Vivo Y31s 5G doesn't; the Samsung Galaxy Z Fold8 is thinner (4.5mm vs 8.4mm).
Profile comparison
Category scores
Samsung Galaxy Z Fold8
Vivo Y31s 5G
What makes Samsung Galaxy Z Fold8 better?
- Higher AnTuTu: 3382020 vs 568395
- Better Geekbench Single: 3639 vs 915
- Better Geekbench Multi: 11047 vs 2115
- Faster charging: 45W vs 44W
- Lighter: 201g vs 207g
- Higher performance (96/100 vs 46/100)
- Better camera (50/100 vs 37/100)
- Better display (80/100 vs 55/100)
- Better portability (74/100 vs 50/100)
What makes Vivo Y31s 5G better?
- Bigger battery: 6500 vs 4800 mAh
- Cheaper at launch: $200 vs $1999
- Longer battery life (58/100 vs 52/100)
Comparison verdict
Comparing the Samsung Galaxy Z Fold8 vs the Vivo Y31s 5G, the Samsung Galaxy Z Fold8 scores 26 points higher (73/100 vs 47/100). In the "performance" category, the Samsung Galaxy Z Fold8 leads (96/100 vs 46/100). In the "camera" category, the Samsung Galaxy Z Fold8 leads (50/100 vs 37/100). Value score: Samsung Galaxy Z Fold8 — 54/100, Vivo Y31s 5G — 54/100; 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, the Samsung Galaxy Z Fold8 significantly outperforms the Vivo Y31s 5G (96/100 vs 46/100). In the "display" category, the Samsung Galaxy Z Fold8 notably outperforms the Vivo Y31s 5G (80/100 vs 55/100). In the "camera" category, the Samsung Galaxy Z Fold8 is a bit better (50/100 vs 37/100). In the "battery" category, the Vivo Y31s 5G is a bit better (58/100 vs 52/100). In the "portability" category, the Samsung Galaxy Z Fold8 notably outperforms the Vivo Y31s 5G (74/100 vs 50/100).
Specs comparison
| Specification | Samsung Galaxy Z Fold8 | Vivo Y31s 5G | |
|---|---|---|---|
| Processor | Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 4 Gen 2 | |
| AnTuTu | 3382020 | 568395 | |
| Geekbench Single | 3639 | 915 | |
| Geekbench Multi | 11047 | 2115 | |
| Display | 7.6" Foldable Dynamic LTPO AMOLED 2X | 6.7" IPS LCD | |
| Resolution | 1828x2448 | 1600x720 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4800 mAh | 6500 mAh | |
| Charging | 45W | 44W | |
| Wireless charging | 15W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Front camera | 10 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 256GB | |
| OS | Android 17 / One UI 9 | Android 16 | |
| Brightness (peak) | 3000 nits | — | |
| NFC | yes | no | |
| Protection | IP48 | — | |
| Dimensions | 123.9×161.4×4.5 mm | 164.2×75.4×8.4 mm | |
| Weight | 201 g | 207 g | |
| Launch price | $1999 | $200 |
Camera comparison
Samsung Galaxy Z Fold8
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Front: 10MP
Vivo Y31s 5G
- Main: 50MP f/1.8
- Front: 32MP
Display comparison
Samsung Galaxy Z Fold8
- 7.6" Foldable Dynamic LTPO AMOLED 2X
- Resolution: 1828x2448
- Refresh rate: 120 Hz
Vivo Y31s 5G
- 6.7" IPS LCD
- Resolution: 1600x720
- Refresh rate: 120 Hz
Battery and charging
Samsung Galaxy Z Fold8
- 4800 mAh
- Wired: 45W
- Wireless: 15W
Vivo Y31s 5G
- 6500 mAh
- Wired: 44W
- No wireless charging
Overall performance score
We compared Samsung Galaxy Z Fold8 and Vivo Y31s 5G, covering their specs and all relevant benchmarks.
Samsung Galaxy Z Fold8 leads Vivo Y31s 5G by 495.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $1799. Vivo Y31s 5G was $1799 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Samsung Galaxy Z Fold8 significantly outperforms the Vivo Y31s 5G (96/100 vs 46/100).
display
In the "display" category, the Samsung Galaxy Z Fold8 notably outperforms the Vivo Y31s 5G (80/100 vs 55/100).
camera
In the "camera" category, the Samsung Galaxy Z Fold8 is a bit better (50/100 vs 37/100).
battery
In the "battery" category, the Vivo Y31s 5G is a bit better (58/100 vs 52/100).
portability
In the "portability" category, the Samsung Galaxy Z Fold8 notably outperforms the Vivo Y31s 5G (74/100 vs 50/100).
Frequently asked questions
Which is better: the Samsung Galaxy Z Fold8 or the Vivo Y31s 5G?
The Samsung Galaxy Z Fold8 significantly outperforms the Vivo Y31s 5G by 26 points (73/100 vs 47/100).
What is the rating of the Samsung Galaxy Z Fold8 and the Vivo Y31s 5G?
The Samsung Galaxy Z Fold8 has a MobileRank rating of 73/100, the Vivo Y31s 5G — 47/100.
Which has the better camera: the Samsung Galaxy Z Fold8 or the Vivo Y31s 5G?
The Samsung Galaxy Z Fold8 leads on camera score (50/100 vs 37/100).
Which is more powerful: the Samsung Galaxy Z Fold8 or the Vivo Y31s 5G?
The Samsung Galaxy Z Fold8 leads on performance (96/100 vs 46/100).
Should you choose the Samsung Galaxy Z Fold8 over the Vivo Y31s 5G?
The Samsung Galaxy Z Fold8 is a better fit for gamers and power users.