Vivo iQOO 15 Ultra vs Vivo iQOO Z11x (China)
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo iQOO Z11x (China) (2026) runs on the MediaTek Dimensity 7400. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 51/100 (a 38-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 7200); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 956,756).
Vivo iQOO 15 Ultra
Vivo iQOO Z11x (China)
- Higher AnTuTu: 4602290 vs 956756
- Better Geekbench Single: 3640 vs 1061
- Better Geekbench Multi: 11033 vs 3185
- Bigger battery: 7400 vs 7200 mAh
- Faster charging: 120W vs 44W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 57/100)
- Better camera (78/100 vs 30/100)
- Longer battery life (92/100 vs 60/100)
- Better display (99/100 vs 65/100)
- Lighter: 219g vs 227g
- Better portability (43/100 vs 35/100)
Comparing the Vivo iQOO 15 Ultra vs the Vivo iQOO Z11x (China), the Vivo iQOO 15 Ultra scores 38 points higher (89/100 vs 51/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 57/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 60/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z11x (China) (99/100 vs 57/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z11x (China) (99/100 vs 65/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z11x (China) (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z11x (China) (92/100 vs 60/100). In the "portability" category, the Vivo iQOO Z11x (China) is a bit better (43/100 vs 35/100).
| Specification | Vivo iQOO 15 Ultra | Vivo iQOO Z11x (China) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Dimensity 7400 | |
| AnTuTu | 4602290 | 956756 | |
| Geekbench Single | 3640 | 1061 | |
| Geekbench Multi | 11033 | 3185 | |
| Display | 6.8" LTPO AMOLED | 6.8" IPS LCD | |
| Resolution | 1440x3168 | 1080x2344 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7400 mAh | 7200 mAh | |
| Charging | 120W | 44W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 8 MP | |
| RAM | 12GB / 16GB / 24GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 16 | Android 16, OriginOS 6 | |
| Brightness (peak) | 8000 nits | 1200 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 163.7×76.8×8.7 mm | 166.6×78.4×8.4 mm | |
| Weight | 227 g | 219 g | |
| Launch price | $799 | — |
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo iQOO Z11x (China)
- Main: 50MP
- Front: 8MP
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo iQOO Z11x (China)
- 6.8" IPS LCD
- Resolution: 1080x2344
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Vivo iQOO Z11x (China)
- 7200 mAh
- Wired: 44W
- No wireless charging
We compared Vivo iQOO 15 Ultra and Vivo iQOO Z11x (China), covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Vivo iQOO Z11x (China) by 381.0% in our overall performance rating.
Vivo iQOO Z11x (China)
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z11x (China) (99/100 vs 57/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z11x (China) (99/100 vs 65/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z11x (China) (78/100 vs 30/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z11x (China) (92/100 vs 60/100).
portability
In the "portability" category, the Vivo iQOO Z11x (China) is a bit better (43/100 vs 35/100).
Which is better: the Vivo iQOO 15 Ultra or the Vivo iQOO Z11x (China)?
The Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z11x (China) by 38 points (89/100 vs 51/100).
What is the rating of the Vivo iQOO 15 Ultra and the Vivo iQOO Z11x (China)?
The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Vivo iQOO Z11x (China) — 51/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Vivo iQOO Z11x (China)?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 30/100).
Which is more powerful: the Vivo iQOO 15 Ultra or the Vivo iQOO Z11x (China)?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 57/100).
Should you choose the Vivo iQOO 15 Ultra over the Vivo iQOO Z11x (China)?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo iQOO Z11x (China) is a better fit for everyday use.