Nubia Z20 vs Vivo iQOO 15 Ultra
The Nubia Z20 (2019) runs on the Qualcomm Snapdragon 855+, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 50/100 (a 39-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 4000); the main camera is 48 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 859,084); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Nubia Z20 doesn't; the Nubia Z20 is noticeably lighter (186g vs 227g).
Profile comparison
Category scores
Nubia Z20
Vivo iQOO 15 Ultra
What makes Nubia Z20 better?
- Lighter: 186g vs 227g
- Better portability (55/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 859084
- Better Geekbench Single: 3639 vs 1031
- Better Geekbench Multi: 11047 vs 2864
- Bigger battery: 7400 vs 4000 mAh
- Faster charging: 120W vs 27W
- Better main camera: 50MP vs 48MP
- Higher performance (99/100 vs 55/100)
- Better camera (78/100 vs 41/100)
- Longer battery life (92/100 vs 24/100)
- Better display (99/100 vs 83/100)
Comparison verdict
Comparing the Nubia Z20 vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 39 points higher (89/100 vs 50/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 55/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 41/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 24/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Nubia Z20 (99/100 vs 55/100). In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Nubia Z20 (99/100 vs 83/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Nubia Z20 (78/100 vs 41/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Nubia Z20 (92/100 vs 24/100). In the "portability" category, the Nubia Z20 notably outperforms the Vivo iQOO 15 Ultra (55/100 vs 35/100).
Specs comparison
| Specification | Nubia Z20 | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855+ | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 859084 | 4602290 | |
| Geekbench Single | 1031 | 3639 | |
| Geekbench Multi | 2864 | 11047 | |
| Display | 6.4" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2340 | 1440x3168 | |
| Refresh rate | — | 144 Hz | |
| Battery | 4000 mAh | 7400 mAh | |
| Charging | 27W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 16 MP | 50 MP | |
| Telephoto | 8 MP | 50 MP | |
| Front camera | — | 32 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB / 24GB | |
| Storage | 128GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 9.0 (Pie); Nubia UI 7 | Android 16 | |
| Brightness (peak) | — | 8000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 158.6×75.2×9.2 mm | 163.7×76.8×8.7 mm | |
| Weight | 186 g | 227 g | |
| Launch price | — | $799 |
Camera comparison
Nubia Z20
- Main: 48MP f/1.7
- Ultrawide: 16MP
- Telephoto: 8MP
- Front: —
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Nubia Z20
- 6.4" AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Nubia Z20
- 4000 mAh
- Wired: 27W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Nubia Z20 and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Nubia Z20 by 81.3% 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 Vivo iQOO 15 Ultra significantly outperforms the Nubia Z20 (99/100 vs 55/100).
display
In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Nubia Z20 (99/100 vs 83/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Nubia Z20 (78/100 vs 41/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Nubia Z20 (92/100 vs 24/100).
portability
In the "portability" category, the Nubia Z20 notably outperforms the Vivo iQOO 15 Ultra (55/100 vs 35/100).
Frequently asked questions
Which is better: the Nubia Z20 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Nubia Z20 by 39 points (89/100 vs 50/100).
What is the rating of the Nubia Z20 and the Vivo iQOO 15 Ultra?
The Nubia Z20 has a MobileRank rating of 50/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Nubia Z20 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 41/100).
Which is more powerful: the Nubia Z20 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 55/100).
Should you choose the Nubia Z20 over the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.