Nubia Z20 vs Vivo iQOO 15
The Nubia Z20 (2019) runs on the Qualcomm Snapdragon 855+, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 50/100 (a 36-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 4000); the main camera is 48 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,740,528 vs 859,084); the Vivo iQOO 15 has NFC for contactless payments, the Nubia Z20 doesn't; the Nubia Z20 is noticeably lighter (186g vs 215g).
Nubia Z20
Vivo iQOO 15
- Lighter: 186g vs 215g
- Better portability (55/100 vs 48/100)
- Higher AnTuTu: 3740528 vs 859084
- Better Geekbench Single: 3041 vs 1031
- Better Geekbench Multi: 9494 vs 2864
- Bigger battery: 7000 vs 4000 mAh
- Faster charging: 100W vs 27W
- Better main camera: 50MP vs 48MP
- Higher performance (94/100 vs 55/100)
- Better camera (78/100 vs 41/100)
- Longer battery life (85/100 vs 24/100)
- Better display (99/100 vs 83/100)
Comparing the Nubia Z20 vs the Vivo iQOO 15, the Vivo iQOO 15 scores 36 points higher (86/100 vs 50/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 55/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 41/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 24/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Nubia Z20 (94/100 vs 55/100). In the "display" category, the Vivo iQOO 15 notably outperforms the Nubia Z20 (99/100 vs 83/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Nubia Z20 (78/100 vs 41/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Nubia Z20 (85/100 vs 24/100). In the "portability" category, the Nubia Z20 is a bit better (55/100 vs 48/100).
| Specification | Nubia Z20 | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855+ | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 859084 | 3740528 | |
| Geekbench Single | 1031 | 3041 | |
| Geekbench Multi | 2864 | 9494 | |
| Display | 6.4" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2340 | 1440x3168 | |
| Refresh rate | — | 144 Hz | |
| Battery | 4000 mAh | 7000 mAh | |
| Charging | 27W | 100W | |
| Wireless charging | 0W | 40W | |
| 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 | |
| Storage | 128GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 9.0 (Pie); Nubia UI 7 | Android 16 | |
| Brightness (peak) | — | 6000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 158.6×75.2×9.2 mm | 163.7×76.8×8.1 mm | |
| Weight | 186 g | 215 g | |
| Launch price | — | $599 |
Nubia Z20
- Main: 48MP f/f/1.7
- Ultrawide: 16MP
- Telephoto: 8MP
- Front: —
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Nubia Z20
- 6.4" AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Nubia Z20
- 4000 mAh
- Wired: 27W
- No wireless charging
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
We compared Nubia Z20 and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Nubia Z20 by 77.0% in our overall performance rating.
Nubia Z20
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Nubia Z20 (94/100 vs 55/100).
display
In the "display" category, the Vivo iQOO 15 notably outperforms the Nubia Z20 (99/100 vs 83/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Nubia Z20 (78/100 vs 41/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Nubia Z20 (85/100 vs 24/100).
portability
In the "portability" category, the Nubia Z20 is a bit better (55/100 vs 48/100).
Which is better: the Nubia Z20 or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the Nubia Z20 by 36 points (86/100 vs 50/100).
What is the rating of the Nubia Z20 and the Vivo iQOO 15?
The Nubia Z20 has a MobileRank rating of 50/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the Nubia Z20 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 41/100).
Which is more powerful: the Nubia Z20 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 55/100).
Should you choose the Nubia Z20 over the Vivo iQOO 15?
The Nubia Z20 is a better fit for everyday use. The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.