Samsung Galaxy Z Fold8 Ultra vs Vivo Y31s 5G
The Samsung Galaxy Z Fold8 Ultra (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 $2199 and $200. By overall MobileRank rating, the Samsung Galaxy Z Fold8 Ultra leads — 79/100 vs 47/100 (a 32-point difference). Key differences: the Vivo Y31s 5G has the bigger battery (6500 mAh vs 5000); the main camera is 200 MP vs 50 MP; the Samsung Galaxy Z Fold8 Ultra is faster in AnTuTu (3,942,923 vs 560,863); the Samsung Galaxy Z Fold8 Ultra has NFC for contactless payments, the Vivo Y31s 5G doesn't; the Samsung Galaxy Z Fold8 Ultra is thinner (4.1mm vs 8.4mm).
Samsung Galaxy Z Fold8 Ultra
Vivo Y31s 5G
- Higher AnTuTu: 3942923 vs 560863
- Better Geekbench Single: 3640 vs 923
- Better Geekbench Multi: 11033 vs 2249
- Faster charging: 60W vs 44W
- Better main camera: 200MP vs 50MP
- Higher performance (98/100 vs 47/100)
- Better camera (67/100 vs 37/100)
- Longer battery life (61/100 vs 58/100)
- Better display (78/100 vs 55/100)
- Better portability (66/100 vs 50/100)
- Bigger battery: 6500 vs 5000 mAh
- Lighter: 207g vs 215g
- Cheaper at launch: $200 vs $2199
- Overall rating 47/100
Comparing the Samsung Galaxy Z Fold8 Ultra vs the Vivo Y31s 5G, the Samsung Galaxy Z Fold8 Ultra scores 32 points higher (79/100 vs 47/100). In the "performance" category, the Samsung Galaxy Z Fold8 Ultra leads (98/100 vs 47/100). In the "camera" category, the Samsung Galaxy Z Fold8 Ultra leads (67/100 vs 37/100). Value score: Samsung Galaxy Z Fold8 Ultra — 62/100, Vivo Y31s 5G — 56/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Vivo Y31s 5G (98/100 vs 47/100). In the "display" category, the Samsung Galaxy Z Fold8 Ultra notably outperforms the Vivo Y31s 5G (78/100 vs 55/100). In the "camera" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Vivo Y31s 5G (67/100 vs 37/100). In the "battery" category, the Samsung Galaxy Z Fold8 Ultra and the Vivo Y31s 5G are nearly equal (61/100 vs 58/100). In the "portability" category, the Samsung Galaxy Z Fold8 Ultra notably outperforms the Vivo Y31s 5G (66/100 vs 50/100).
| Specification | Samsung Galaxy Z Fold8 Ultra | Vivo Y31s 5G | |
|---|---|---|---|
| Processor | Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 4 Gen 2 | |
| AnTuTu | 3942923 | 560863 | |
| Geekbench Single | 3640 | 923 | |
| Geekbench Multi | 11033 | 2249 | |
| Display | 8.0" Foldable Dynamic LTPO AMOLED 2X | 6.7" IPS LCD | |
| Resolution | 1968x2184 | 1600x720 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5000 mAh | 6500 mAh | |
| Charging | 60W | 44W | |
| Wireless charging | 25W | 0W | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 10 MP | 0 MP | |
| Front camera | 10 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 256GB | |
| OS | Android 16 / One UI 8.5 | Android 16 | |
| NFC | yes | no | |
| Protection | IP48 | — | |
| Dimensions | — | 164.2×75.4×8.4 mm | |
| Weight | 215 g | 207 g | |
| Launch price | $2199 | $200 |
Samsung Galaxy Z Fold8 Ultra
- Main: 200MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 10MP
- Front: 10MP
Vivo Y31s 5G
- Main: 50MP f/f/1.8
- Front: 32MP
Samsung Galaxy Z Fold8 Ultra
- 8.0" Foldable Dynamic LTPO AMOLED 2X
- Resolution: 1968x2184
- Refresh rate: 120 Hz
Vivo Y31s 5G
- 6.7" IPS LCD
- Resolution: 1600x720
- Refresh rate: 120 Hz
Samsung Galaxy Z Fold8 Ultra
- 5000 mAh
- Wired: 60W
- Wireless: 25W
Vivo Y31s 5G
- 6500 mAh
- Wired: 44W
- No wireless charging
We compared Samsung Galaxy Z Fold8 Ultra and Vivo Y31s 5G, covering their specs and all relevant benchmarks.
Samsung Galaxy Z Fold8 Ultra leads Vivo Y31s 5G by 603.0% in our overall performance rating.
Launch price difference: $1999. Vivo Y31s 5G was $1999 cheaper at launch.
performance
In the "performance" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Vivo Y31s 5G (98/100 vs 47/100).
display
In the "display" category, the Samsung Galaxy Z Fold8 Ultra notably outperforms the Vivo Y31s 5G (78/100 vs 55/100).
camera
In the "camera" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Vivo Y31s 5G (67/100 vs 37/100).
battery
In the "battery" category, the Samsung Galaxy Z Fold8 Ultra and the Vivo Y31s 5G are nearly equal (61/100 vs 58/100).
portability
In the "portability" category, the Samsung Galaxy Z Fold8 Ultra notably outperforms the Vivo Y31s 5G (66/100 vs 50/100).
Which is better: the Samsung Galaxy Z Fold8 Ultra or the Vivo Y31s 5G?
The Samsung Galaxy Z Fold8 Ultra significantly outperforms the Vivo Y31s 5G by 32 points (79/100 vs 47/100).
What is the rating of the Samsung Galaxy Z Fold8 Ultra and the Vivo Y31s 5G?
The Samsung Galaxy Z Fold8 Ultra has a MobileRank rating of 79/100, the Vivo Y31s 5G — 47/100.
Which has the better camera: the Samsung Galaxy Z Fold8 Ultra or the Vivo Y31s 5G?
The Samsung Galaxy Z Fold8 Ultra leads on camera score (67/100 vs 37/100).
Which is more powerful: the Samsung Galaxy Z Fold8 Ultra or the Vivo Y31s 5G?
The Samsung Galaxy Z Fold8 Ultra leads on performance (98/100 vs 47/100).
Should you choose the Samsung Galaxy Z Fold8 Ultra over the Vivo Y31s 5G?
The Samsung Galaxy Z Fold8 Ultra is a better fit for gamers and power users. The Vivo Y31s 5G is a better fit for everyday use.