The competition in the smartphone industry appears to be intensifying once again. According to recent leaks and industry sources, iQOO and vivo are preparing to launch their highly anticipated smartphones in the final week of March. This time, both brands are placing strong emphasis on high-capacity batteries, advanced high-refresh-rate displays, and flagship-grade camera systems—factors that could significantly enhance the overall user experience.
iQOO Z11 Series
Reports suggest that iQOO may unveil the iQOO Z11 and iQOO Z11x on March 26. The iQOO Z11 is expected to be designed with performance-oriented users in mind.

The device is likely to feature a 1.5K resolution display with a 165Hz refresh rate, ensuring smooth visual output in gaming and multitasking scenarios. It is expected to be powered by the MediaTek Dimensity 8500 chipset, which aims to deliver a balance between processing power and energy efficiency. Additionally, a massive 9020mAh battery is anticipated, making it suitable for extended usage without frequent charging.
On the other hand, the iQOO Z11x is expected to be positioned as a more affordable alternative. It may include a 1080p LCD panel with a 120Hz refresh rate and could be powered by the MediaTek Dimensity 7400 processor. With a projected 7200mAh battery, the device could stand out as a strong battery-focused option within its segment.
vivo X300 Series
vivo is expected to launch the X300 series on March 30, featuring premium-grade specifications.

According to leaks, the vivo X300 Ultra may come equipped with a 2K resolution display and a 144Hz refresh rate, ensuring a high-quality visual experience. The device is likely to be powered by the Qualcomm Snapdragon 8E5 processor, offering flagship-level performance. In terms of imaging, it may feature a dual 200MP camera system, enabling ultra-high-resolution photography along with advanced image processing capabilities. A 6600mAh battery is also expected, providing a balance between performance and battery longevity.
Meanwhile, the vivo X300s is being positioned as a balanced flagship alternative. It may feature a 1.5K resolution display with a 144Hz refresh rate and could be powered by the MediaTek Dimensity 9500 chipset. The camera system is expected to include a 200MP sensor. Additional features may include dual stereo speakers, an enhanced haptic motor for improved feedback, and a 7100mAh battery, making it a well-rounded device in the premium segment.
vivo Pad6 Pro

Alongside its smartphones, vivo is also expected to expand its tablet portfolio with the launch of the vivo Pad6 Pro. This device may feature a 13.2-inch display with 4K resolution, making it suitable for both multimedia consumption and productivity tasks. It is likely to be powered by the Snapdragon 8E5 chipset and could include a large 13,000mAh battery, positioning it as a powerful and long-lasting tablet solution.
Sources and Credibility
All the above information has been shared by the well-known tipster Digital Chat Station on the Weibo platform. While these leaks are considered credible within the industry, official confirmation from the respective companies is still pending. Therefore, specifications may change at the time of the official launch.
Conclusion
Overall, the iQOO Z11 series and the vivo X300 lineup have the potential to introduce a new level of competition in the smartphone market, driven by large-capacity batteries, advanced display technologies, and powerful camera systems. It will be crucial to evaluate how these devices perform in real-world usage scenarios once they are officially launched.

