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 — 80/100 vs 50/100 (a 30-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 Samsung Galaxy S25 Ultra is faster in AnTuTu (3,128,552 vs 820,210); the Vivo iQOO Z6 (China) is noticeably lighter (194g vs 218g).
Profile comparison
Category scores
Samsung Galaxy S25 Ultra
Vivo iQOO Z6 (China)
What makes Samsung Galaxy S25 Ultra better?
- Higher AnTuTu: 3128552 vs 820210
- Better Geekbench Single: 3100 vs 1059
- Better Geekbench Multi: 9760 vs 3012
- Bigger battery: 5000 vs 4500 mAh
- Better main camera: 200MP vs 64MP
- Higher performance (92/100 vs 55/100)
- Better camera (81/100 vs 37/100)
- Longer battery life (56/100 vs 45/100)
- Better display (88/100 vs 66/100)
What makes Vivo iQOO Z6 (China) better?
- Faster charging: 80W vs 45W
- Lighter: 194g vs 218g
- Better portability (56/100 vs 46/100)
Comparison verdict
Comparing the Samsung Galaxy S25 Ultra vs the Vivo iQOO Z6 (China), the Samsung Galaxy S25 Ultra scores 30 points higher (80/100 vs 50/100). In the "performance" category, the Samsung Galaxy S25 Ultra leads (92/100 vs 55/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 37/100). In the "battery" category, the Samsung Galaxy S25 Ultra leads (56/100 vs 45/100). In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Vivo iQOO Z6 (China) (92/100 vs 55/100). In the "display" category, the Samsung Galaxy S25 Ultra notably outperforms the Vivo iQOO Z6 (China) (88/100 vs 66/100). In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Vivo iQOO Z6 (China) (81/100 vs 37/100). In the "battery" category, the Samsung Galaxy S25 Ultra is a bit better (56/100 vs 45/100). In the "portability" category, the Vivo iQOO Z6 (China) is a bit better (56/100 vs 46/100).
Specs comparison
| Specification | Samsung Galaxy S25 Ultra | Vivo iQOO Z6 (China) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 778G+ 5G | |
| AnTuTu | 3128552 | 820210 | |
| Geekbench Single | 3100 | 1059 | |
| Geekbench Multi | 9760 | 3012 | |
| 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 | |
| Launch price | $1299 | — |
Camera comparison
Samsung Galaxy S25 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Vivo iQOO Z6 (China)
- Main: 64MP f/1.8
- Front: 8MP
Display comparison
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
Battery and charging
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
Overall performance score
We compared Samsung Galaxy S25 Ultra and Vivo iQOO Z6 (China), covering their specs and all relevant benchmarks.
Samsung Galaxy S25 Ultra leads Vivo iQOO Z6 (China) by 281.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo iQOO Z6 (China)
Price unknownDetailed category analysis
performance
In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Vivo iQOO Z6 (China) (92/100 vs 55/100).
display
In the "display" category, the Samsung Galaxy S25 Ultra notably outperforms the Vivo iQOO Z6 (China) (88/100 vs 66/100).
camera
In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Vivo iQOO Z6 (China) (81/100 vs 37/100).
battery
In the "battery" category, the Samsung Galaxy S25 Ultra is a bit better (56/100 vs 45/100).
portability
In the "portability" category, the Vivo iQOO Z6 (China) is a bit better (56/100 vs 46/100).
Frequently asked questions
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 30 points (80/100 vs 50/100).
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 80/100, the Vivo iQOO Z6 (China) — 50/100.
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 37/100).
Which is more powerful: the Samsung Galaxy S25 Ultra or the Vivo iQOO Z6 (China)?
The Samsung Galaxy S25 Ultra leads on performance (92/100 vs 55/100).
Should you choose the Samsung Galaxy S25 Ultra over the Vivo iQOO Z6 (China)?
The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.