Samsung Galaxy Z Fold8 Ultra vs Vivo Y31d
The Samsung Galaxy Z Fold8 Ultra (2026) runs on the Snapdragon 8 Elite Gen 5, while the Vivo Y31d (2026) runs on the Qualcomm Snapdragon 6s 4G Gen 2; estimated prices are $2199 and $185. By overall MobileRank rating, the Samsung Galaxy Z Fold8 Ultra leads — 71/100 vs 33/100 (a 38-point difference). Key differences: the Vivo Y31d has the bigger battery (7200 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 522,680); the Samsung Galaxy Z Fold8 Ultra has NFC for contactless payments, the Vivo Y31d doesn't; the Samsung Galaxy Z Fold8 Ultra is thinner (4.1mm vs 8.4mm).
Samsung Galaxy Z Fold8 Ultra
Vivo Y31d
- Higher AnTuTu: 3942923 vs 522680
- Better Geekbench Single: 3640 vs 489
- Better Geekbench Multi: 11033 vs 1532
- Faster charging: 60W vs 44W
- Better main camera: 200MP vs 50MP
- Lighter: 215g vs 219g
- Higher performance (92/100 vs 0/100)
- Better camera (64/100 vs 24/100)
- Better design/ergonomics (31/100 vs 26/100)
- Bigger battery: 7200 vs 5000 mAh
- Cheaper: $185 vs $2199
- Longer battery life (57/100 vs 51/100)
- Better value for money (97/100 vs 0/100)
Comparing the Samsung Galaxy Z Fold8 Ultra vs the Vivo Y31d, the Samsung Galaxy Z Fold8 Ultra scores 38 points higher (71/100 vs 33/100). In the "performance" category, the Samsung Galaxy Z Fold8 Ultra leads (92/100 vs 0/100). In the "camera" category, the Samsung Galaxy Z Fold8 Ultra leads (64/100 vs 24/100). In the "value for money" category, the Vivo Y31d leads (97/100 vs 0/100). In the "performance" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Vivo Y31d (92/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Vivo Y31d (64/100 vs 24/100). In the "battery" category, the Vivo Y31d is a bit better (57/100 vs 51/100). In the "design" category, the Samsung Galaxy Z Fold8 Ultra is a bit better (31/100 vs 26/100). In the "value for money" category, the Vivo Y31d significantly outperforms the Samsung Galaxy Z Fold8 Ultra (97/100 vs 0/100).
| Specification | Samsung Galaxy Z Fold8 Ultra | Vivo Y31d | |
|---|---|---|---|
| Processor | Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 6s 4G Gen 2 | |
| AnTuTu | 3942923 | 522680 | |
| Geekbench Single | 3640 | 489 | |
| Geekbench Multi | 11033 | 1532 | |
| Display | 8.0" Foldable Dynamic LTPO AMOLED 2X | 6.8" IPS LCD | |
| Resolution | 1968x2184 | 720x1570 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5000 mAh | 7200 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 | 8 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 / One UI 8.5 | Android 16 | |
| Brightness (peak) | — | 1250 nits | |
| NFC | yes | no | |
| Protection | IP48 | IP68/IP69 | |
| Dimensions | — | 166.6×78.4×8.4 mm | |
| Weight | 215 g | 219 g | |
| Price | $2199 | $185 |
Samsung Galaxy Z Fold8 Ultra
- Main: 200MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 10MP
- Front: 10MP
Vivo Y31d
- Main: 50MP f/f/2.0
- Front: 8MP
Samsung Galaxy Z Fold8 Ultra
- 8.0" Foldable Dynamic LTPO AMOLED 2X
- Resolution: 1968x2184
- Refresh rate: 120 Hz
Vivo Y31d
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Samsung Galaxy Z Fold8 Ultra
- 5000 mAh
- Wired: 60W
- Wireless: 25W
Vivo Y31d
- 7200 mAh
- Wired: 44W
- No wireless charging
We compared Samsung Galaxy Z Fold8 Ultra and Vivo Y31d, covering their specs and all relevant benchmarks.
Samsung Galaxy Z Fold8 Ultra leads Vivo Y31d by 654.4% in our overall performance rating.
Price difference: $2014. Vivo Y31d is cheaper by $2014.
performance
In the "performance" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Vivo Y31d (92/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Vivo Y31d (64/100 vs 24/100).
battery
In the "battery" category, the Vivo Y31d is a bit better (57/100 vs 51/100).
design
In the "design" category, the Samsung Galaxy Z Fold8 Ultra is a bit better (31/100 vs 26/100).
value for money
In the "value for money" category, the Vivo Y31d significantly outperforms the Samsung Galaxy Z Fold8 Ultra (97/100 vs 0/100).
Which is better: the Samsung Galaxy Z Fold8 Ultra or the Vivo Y31d?
The Samsung Galaxy Z Fold8 Ultra significantly outperforms the Vivo Y31d by 38 points (71/100 vs 33/100).
What is the rating of the Samsung Galaxy Z Fold8 Ultra and the Vivo Y31d?
The Samsung Galaxy Z Fold8 Ultra has a MobileRank rating of 71/100, the Vivo Y31d — 33/100.
Which has the better camera: the Samsung Galaxy Z Fold8 Ultra or the Vivo Y31d?
The Samsung Galaxy Z Fold8 Ultra leads on camera score (64/100 vs 24/100).
Which is more powerful: the Samsung Galaxy Z Fold8 Ultra or the Vivo Y31d?
The Samsung Galaxy Z Fold8 Ultra leads on performance (92/100 vs 0/100).
Should you choose the Samsung Galaxy Z Fold8 Ultra over the Vivo Y31d?
The Samsung Galaxy Z Fold8 Ultra is a better fit for gamers and power users. The Vivo Y31d is a better fit for budget-conscious buyers.