Vivo iQOO Z7 vs Xiaomi 15 Ultra
The Vivo iQOO Z7 (2023) runs on the MediaTek Dimensity 920, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 50/100 (a 35-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 4500); the main camera is 64 MP vs 50 MP; the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 750,481); the Xiaomi 15 Ultra has NFC for contactless payments, the Vivo iQOO Z7 doesn't; the Vivo iQOO Z7 is noticeably lighter (173g vs 225g).
Profile comparison
Category scores
Vivo iQOO Z7
Xiaomi 15 Ultra
What makes Vivo iQOO Z7 better?
- Better main camera: 64MP vs 50MP
- Lighter: 173g vs 225g
- Better portability (77/100 vs 29/100)
What makes Xiaomi 15 Ultra better?
- Higher AnTuTu: 3030376 vs 750481
- Better Geekbench Single: 3050 vs 936
- Better Geekbench Multi: 10200 vs 2318
- Bigger battery: 6000 vs 4500 mAh
- Faster charging: 90W vs 44W
- Higher refresh rate: 120Hz vs 90Hz
- Higher performance (92/100 vs 51/100)
- Better camera (87/100 vs 40/100)
- Longer battery life (80/100 vs 38/100)
- Better display (90/100 vs 69/100)
Comparison verdict
Comparing the Vivo iQOO Z7 vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 35 points higher (85/100 vs 50/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 51/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 40/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 38/100). In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the Vivo iQOO Z7 (92/100 vs 51/100). In the "display" category, the Xiaomi 15 Ultra notably outperforms the Vivo iQOO Z7 (90/100 vs 69/100). In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Vivo iQOO Z7 (87/100 vs 40/100). In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Vivo iQOO Z7 (80/100 vs 38/100). In the "portability" category, the Vivo iQOO Z7 significantly outperforms the Xiaomi 15 Ultra (77/100 vs 29/100).
Specs comparison
| Specification | Vivo iQOO Z7 | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 920 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 750481 | 3030376 | |
| Geekbench Single | 936 | 3050 | |
| Geekbench Multi | 2318 | 10200 | |
| Display | 6.4" AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 1080x2400 | 3200x1440 | |
| Refresh rate | 90 Hz | 120 Hz | |
| Battery | 4500 mAh | 6000 mAh | |
| Charging | 44W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 6GB / 8GB | 16GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 13, Funtouch 13 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 1300 nits | 3200 nits | |
| NFC | no | yes | |
| Protection | IP54 | IP68 | |
| Dimensions | 158.9×73.5×7.8 mm | 161.3×75.3×9.4 mm | |
| Weight | 173 g | 225 g | |
| Launch price | — | $999 |
Camera comparison
Vivo iQOO Z7
- Main: 64MP
- Front: 16MP
Xiaomi 15 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Vivo iQOO Z7
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
Vivo iQOO Z7
- 4500 mAh
- Wired: 44W
- No wireless charging
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared Vivo iQOO Z7 and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Vivo iQOO Z7 by 75.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo iQOO Z7
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the Vivo iQOO Z7 (92/100 vs 51/100).
display
In the "display" category, the Xiaomi 15 Ultra notably outperforms the Vivo iQOO Z7 (90/100 vs 69/100).
camera
In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Vivo iQOO Z7 (87/100 vs 40/100).
battery
In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Vivo iQOO Z7 (80/100 vs 38/100).
portability
In the "portability" category, the Vivo iQOO Z7 significantly outperforms the Xiaomi 15 Ultra (77/100 vs 29/100).
Frequently asked questions
Which is better: the Vivo iQOO Z7 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra significantly outperforms the Vivo iQOO Z7 by 35 points (85/100 vs 50/100).
What is the rating of the Vivo iQOO Z7 and the Xiaomi 15 Ultra?
The Vivo iQOO Z7 has a MobileRank rating of 50/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Vivo iQOO Z7 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 40/100).
Which is more powerful: the Vivo iQOO Z7 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 51/100).
Should you choose the Vivo iQOO Z7 over the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.