Nubia Z20 vs Samsung Galaxy S25 Ultra
The Nubia Z20 (2019) runs on the Qualcomm Snapdragon 855+, while the Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite. 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 4000); the main camera is 48 MP vs 200 MP; the Samsung Galaxy S25 Ultra is faster in AnTuTu (3,128,552 vs 859,084); the Samsung Galaxy S25 Ultra has NFC for contactless payments, the Nubia Z20 doesn't; the Nubia Z20 is noticeably lighter (186g vs 218g).
Profile comparison
Category scores
Nubia Z20
Samsung Galaxy S25 Ultra
What makes Nubia Z20 better?
- Lighter: 186g vs 218g
- Better portability (55/100 vs 46/100)
What makes Samsung Galaxy S25 Ultra better?
- Higher AnTuTu: 3128552 vs 859084
- Better Geekbench Single: 3100 vs 1031
- Better Geekbench Multi: 9760 vs 2864
- Bigger battery: 5000 vs 4000 mAh
- Faster charging: 45W vs 27W
- Better main camera: 200MP vs 48MP
- Higher performance (92/100 vs 55/100)
- Better camera (81/100 vs 41/100)
- Longer battery life (56/100 vs 24/100)
- Better display (88/100 vs 83/100)
Comparison verdict
Comparing the Nubia Z20 vs the Samsung Galaxy S25 Ultra, 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 41/100). In the "battery" category, the Samsung Galaxy S25 Ultra leads (56/100 vs 24/100). In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Nubia Z20 (92/100 vs 55/100). In the "display" category, the Samsung Galaxy S25 Ultra is a bit better (88/100 vs 83/100). In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Nubia Z20 (81/100 vs 41/100). In the "battery" category, the Samsung Galaxy S25 Ultra significantly outperforms the Nubia Z20 (56/100 vs 24/100). In the "portability" category, the Nubia Z20 is a bit better (55/100 vs 46/100).
Specs comparison
| Specification | Nubia Z20 | Samsung Galaxy S25 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855+ | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 859084 | 3128552 | |
| Geekbench Single | 1031 | 3100 | |
| Geekbench Multi | 2864 | 9760 | |
| Display | 6.4" AMOLED | 6.9" Dynamic AMOLED 2X | |
| Resolution | 1080x2340 | 3120x1440 | |
| Refresh rate | — | 120 Hz | |
| Battery | 4000 mAh | 5000 mAh | |
| Charging | 27W | 45W | |
| Wireless charging | 0W | 15W | |
| DXOMark (camera) | — | 151 | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 16 MP | 50 MP | |
| Telephoto | 8 MP | 50 MP | |
| Front camera | — | 12 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 9.0 (Pie); Nubia UI 7 | Android 15 / One UI 7 | |
| Brightness (peak) | — | 2600 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 158.6×75.2×9.2 mm | 162.8×77.6×8.2 mm | |
| Weight | 186 g | 218 g | |
| Launch price | — | $1299 |
Camera comparison
Nubia Z20
- Main: 48MP f/1.7
- Ultrawide: 16MP
- Telephoto: 8MP
- Front: —
Samsung Galaxy S25 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Display comparison
Nubia Z20
- 6.4" AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Battery and charging
Nubia Z20
- 4000 mAh
- Wired: 27W
- No wireless charging
Samsung Galaxy S25 Ultra
- 5000 mAh
- NanoReview test: web browsing 11:10 hrs, total 28:43 hrs
- Wired: 45W
- Wireless: 15W
Overall performance score
We compared Nubia Z20 and Samsung Galaxy S25 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy S25 Ultra leads Nubia Z20 by 72.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Nubia Z20
Price unknownDetailed category analysis
performance
In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Nubia Z20 (92/100 vs 55/100).
display
In the "display" category, the Samsung Galaxy S25 Ultra is a bit better (88/100 vs 83/100).
camera
In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Nubia Z20 (81/100 vs 41/100).
battery
In the "battery" category, the Samsung Galaxy S25 Ultra significantly outperforms the Nubia Z20 (56/100 vs 24/100).
portability
In the "portability" category, the Nubia Z20 is a bit better (55/100 vs 46/100).
Frequently asked questions
Which is better: the Nubia Z20 or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra significantly outperforms the Nubia Z20 by 30 points (80/100 vs 50/100).
What is the rating of the Nubia Z20 and the Samsung Galaxy S25 Ultra?
The Nubia Z20 has a MobileRank rating of 50/100, the Samsung Galaxy S25 Ultra — 80/100.
Which has the better camera: the Nubia Z20 or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 41/100).
Which is more powerful: the Nubia Z20 or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on performance (92/100 vs 55/100).
Should you choose the Nubia Z20 over the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.