Samsung Galaxy S21 Ultra vs Vivo X Fold6
The Samsung Galaxy S21 Ultra (2021) runs on the Samsung Exynos 2100, while the Vivo X Fold6 (2026) runs on the MediaTek Dimensity 9500; launch prices were $1199 and $1900. By overall MobileRank rating, the Vivo X Fold6 leads — 88/100 vs 61/100 (a 27-point difference). Key differences: the Vivo X Fold6 has the bigger battery (6900 mAh vs 5000); the main camera is 108 MP vs 200 MP; the Vivo X Fold6 is faster in AnTuTu (3,485,039 vs 1,074,182); the Vivo X Fold6 is thinner (4.3mm vs 8.9mm).
Samsung Galaxy S21 Ultra
Vivo X Fold6
- Cheaper at launch: $1199 vs $1900
- Better display (89/100 vs 81/100)
- Higher AnTuTu: 3485039 vs 1074182
- Better Geekbench Single: 3228 vs 1435
- Better Geekbench Multi: 9553 vs 3555
- Bigger battery: 6900 vs 5000 mAh
- Faster charging: 80W vs 25W
- Better main camera: 200MP vs 108MP
- Faster wireless charging: 50W vs 15W
- Higher performance (94/100 vs 63/100)
- Better camera (87/100 vs 55/100)
- Longer battery life (82/100 vs 52/100)
- Better portability (100/100 vs 33/100)
Comparing the Samsung Galaxy S21 Ultra vs the Vivo X Fold6, the Vivo X Fold6 scores 27 points higher (88/100 vs 61/100). In the "performance" category, the Vivo X Fold6 leads (94/100 vs 63/100). In the "camera" category, the Vivo X Fold6 leads (87/100 vs 55/100). In the "battery" category, the Vivo X Fold6 leads (82/100 vs 52/100). Value score: Samsung Galaxy S21 Ultra — 32/100, Vivo X Fold6 — 80/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo X Fold6 significantly outperforms the Samsung Galaxy S21 Ultra (94/100 vs 63/100). In the "display" category, the Samsung Galaxy S21 Ultra is a bit better (89/100 vs 81/100). In the "camera" category, the Vivo X Fold6 significantly outperforms the Samsung Galaxy S21 Ultra (87/100 vs 55/100). In the "battery" category, the Vivo X Fold6 significantly outperforms the Samsung Galaxy S21 Ultra (82/100 vs 52/100). In the "portability" category, the Vivo X Fold6 significantly outperforms the Samsung Galaxy S21 Ultra (100/100 vs 33/100).
| Specification | Samsung Galaxy S21 Ultra | Vivo X Fold6 | |
|---|---|---|---|
| Processor | Samsung Exynos 2100 | MediaTek Dimensity 9500 | |
| AnTuTu | 1074182 | 3485039 | |
| Geekbench Single | 1435 | 3228 | |
| Geekbench Multi | 3555 | 9553 | |
| Display | 6.8" AMOLED | 8.0" LTPO AMOLED | |
| Resolution | 3200x1440 | 2480x2200 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5000 mAh | 6900 mAh | |
| Charging | 25W | 80W | |
| Wireless charging | 15W | 50W | |
| DXOMark (camera) | 117 | — | |
| Main camera | 108 MP | 200 MP | |
| Ultrawide | 12 MP | 50 MP | |
| Telephoto | 10 MP | 50 MP | |
| Front camera | 40 MP | 20 MP | |
| RAM | 12GB / 16GB | 16GB | |
| Storage | 128GB / 256GB / 512GB | 512GB | |
| OS | Android 11 | Android 15 | |
| Brightness (peak) | 1500 nits | 5500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 165.1×75.6×8.9 mm | 159.7×142.3×4.3 mm | |
| Weight | 228 g | — | |
| Launch price | $1199 | $1900 |
Samsung Galaxy S21 Ultra
- Main: 108MP f/1.8
- Ultrawide: 12MP
- Telephoto: 10MP
- Front: 40MP
Vivo X Fold6
- Main: 200MP f/f/1.75
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 20MP
Samsung Galaxy S21 Ultra
- 6.8" AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Vivo X Fold6
- 8.0" LTPO AMOLED
- Resolution: 2480x2200
- Refresh rate: 120 Hz
Samsung Galaxy S21 Ultra
- 5000 mAh
- Wired: 25W
- Wireless: 15W
Vivo X Fold6
- 6900 mAh
- Wired: 80W
- Wireless: 50W
We compared Samsung Galaxy S21 Ultra and Vivo X Fold6, covering their specs and all relevant benchmarks.
Vivo X Fold6 leads Samsung Galaxy S21 Ultra by 69.2% in our overall performance rating.
Launch price difference: $701. Samsung Galaxy S21 Ultra was $701 cheaper at launch.
performance
In the "performance" category, the Vivo X Fold6 significantly outperforms the Samsung Galaxy S21 Ultra (94/100 vs 63/100).
display
In the "display" category, the Samsung Galaxy S21 Ultra is a bit better (89/100 vs 81/100).
camera
In the "camera" category, the Vivo X Fold6 significantly outperforms the Samsung Galaxy S21 Ultra (87/100 vs 55/100).
battery
In the "battery" category, the Vivo X Fold6 significantly outperforms the Samsung Galaxy S21 Ultra (82/100 vs 52/100).
portability
In the "portability" category, the Vivo X Fold6 significantly outperforms the Samsung Galaxy S21 Ultra (100/100 vs 33/100).
Which is better: the Samsung Galaxy S21 Ultra or the Vivo X Fold6?
The Vivo X Fold6 significantly outperforms the Samsung Galaxy S21 Ultra by 27 points (88/100 vs 61/100).
What is the rating of the Samsung Galaxy S21 Ultra and the Vivo X Fold6?
The Samsung Galaxy S21 Ultra has a MobileRank rating of 61/100, the Vivo X Fold6 — 88/100.
Which has the better camera: the Samsung Galaxy S21 Ultra or the Vivo X Fold6?
The Vivo X Fold6 leads on camera score (87/100 vs 55/100).
Which is more powerful: the Samsung Galaxy S21 Ultra or the Vivo X Fold6?
The Vivo X Fold6 leads on performance (94/100 vs 63/100).
Should you choose the Samsung Galaxy S21 Ultra over the Vivo X Fold6?
The Samsung Galaxy S21 Ultra is a better fit for active users. The Vivo X Fold6 is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.