Samsung Galaxy S25 Ultra vs Vivo iQOO Z6 (China)
The Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO Z6 (China) (2022) runs on the Qualcomm Snapdragon 778G+ 5G. By overall MobileRank rating, the Samsung Galaxy S25 Ultra leads — 66/100 vs 31/100 (a 35-point difference). Key differences: the Samsung Galaxy S25 Ultra has the bigger battery (5000 mAh vs 4500); the main camera is 200 MP vs 64 MP; the Vivo iQOO Z6 (China) is noticeably lighter (194g vs 218g).
Samsung Galaxy S25 Ultra
Vivo iQOO Z6 (China)
- Bigger battery: 5000 vs 4500 mAh
- Better main camera: 200MP vs 64MP
- Higher performance (67/100 vs 0/100)
- Better camera (81/100 vs 34/100)
- Longer battery life (45/100 vs 39/100)
- Faster charging: 80W vs 45W
- Lighter: 194g vs 218g
- Better design/ergonomics (57/100 vs 27/100)
- Better value for money (55/100 vs 20/100)
Comparing the Samsung Galaxy S25 Ultra vs the Vivo iQOO Z6 (China), the Samsung Galaxy S25 Ultra scores 35 points higher (66/100 vs 31/100). In the "performance" category, the Samsung Galaxy S25 Ultra leads (67/100 vs 0/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 34/100). In the "value for money" category, the Vivo iQOO Z6 (China) leads (55/100 vs 20/100). In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Vivo iQOO Z6 (China) (67/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Vivo iQOO Z6 (China) (81/100 vs 34/100). In the "battery" category, the Samsung Galaxy S25 Ultra is a bit better (45/100 vs 39/100). In the "design" category, the Vivo iQOO Z6 (China) significantly outperforms the Samsung Galaxy S25 Ultra (57/100 vs 27/100). In the "value for money" category, the Vivo iQOO Z6 (China) significantly outperforms the Samsung Galaxy S25 Ultra (55/100 vs 20/100).
| Specification | Samsung Galaxy S25 Ultra | Vivo iQOO Z6 (China) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 778G+ 5G | |
| AnTuTu | 2800202 | — | |
| Geekbench Single | 3100 | — | |
| Geekbench Multi | 9760 | — | |
| Display | 6.9" Dynamic AMOLED 2X | 6.6" IPS LCD | |
| Resolution | 3120x1440 | 1080x2388 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5000 mAh | 4500 mAh | |
| Charging | 45W | 80W | |
| Wireless charging | 15W | 0W | |
| DXOMark (camera) | 151 | — | |
| Main camera | 200 MP | 64 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 12 MP | 8 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 15 / One UI 7 | Android 12, Origin OS Ocean | |
| Brightness (peak) | 2600 nits | 650 nits | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 162.8×77.6×8.2 mm | 164.0×75.8×8.6 mm | |
| Weight | 218 g | 194 g | |
| Price | $1299 | — |
Samsung Galaxy S25 Ultra
- Main: 200MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Vivo iQOO Z6 (China)
- Main: 64MP f/f/1.8
- Front: 8MP
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Vivo iQOO Z6 (China)
- 6.6" IPS LCD
- Resolution: 1080x2388
- Refresh rate: 120 Hz
Samsung Galaxy S25 Ultra
- 5000 mAh
- NanoReview test: web browsing 11:10 hrs, total 28:43 hrs
- Wired: 45W
- Wireless: 15W
Vivo iQOO Z6 (China)
- 4500 mAh
- Wired: 80W
- No wireless charging
Vivo iQOO Z6 (China)
Price unknownperformance
In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Vivo iQOO Z6 (China) (67/100 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 S25 Ultra significantly outperforms the Vivo iQOO Z6 (China) (81/100 vs 34/100).
battery
In the "battery" category, the Samsung Galaxy S25 Ultra is a bit better (45/100 vs 39/100).
design
In the "design" category, the Vivo iQOO Z6 (China) significantly outperforms the Samsung Galaxy S25 Ultra (57/100 vs 27/100).
value for money
In the "value for money" category, the Vivo iQOO Z6 (China) significantly outperforms the Samsung Galaxy S25 Ultra (55/100 vs 20/100).
Which is better: the Samsung Galaxy S25 Ultra or the Vivo iQOO Z6 (China)?
The Samsung Galaxy S25 Ultra significantly outperforms the Vivo iQOO Z6 (China) by 35 points (66/100 vs 31/100).
What is the rating of the Samsung Galaxy S25 Ultra and the Vivo iQOO Z6 (China)?
The Samsung Galaxy S25 Ultra has a MobileRank rating of 66/100, the Vivo iQOO Z6 (China) — 31/100.
Which has the better camera: the Samsung Galaxy S25 Ultra or the Vivo iQOO Z6 (China)?
The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 34/100).
Which is more powerful: the Samsung Galaxy S25 Ultra or the Vivo iQOO Z6 (China)?
The Samsung Galaxy S25 Ultra leads on performance (67/100 vs 0/100).
Should you choose the Samsung Galaxy S25 Ultra over the Vivo iQOO Z6 (China)?
The Samsung Galaxy S25 Ultra is a better fit for active users, mobile photography enthusiasts. The Vivo iQOO Z6 (China) is a better fit for everyday use.