The Xiaomi 17 Ultra is a 2026 flagship smartphone that outperforms the iPhone 17 and Galaxy S26 in camera quality, display brightness, battery capacity, and industrial design, according to a week-long hands-on review. After seven days of testing, the device emerges as a balanced camera leader that challenges the conventional smartphone hierarchy through Leica-powered innovations and a slimmer footprint than its predecessors.
Key Takeaways
- Xiaomi 17 Ultra features a 6.9-inch flat 1.5K display that is brighter and larger than previous generations, despite lower pixel density.
- Camera excels in low-light and night photography with minimal noise, ranking among the top two devices for noise control.
- Design measures just 8.29mm thick and weighs 224g, with a premium fiberglass back and refined corners.
- Leica collaboration includes variable telephoto sensor and thermal advancements across the camera system.
- Global launch rebrands the Ultra Leica Edition as the Leica Leitzphone powered by Xiaomi outside China.
Display and Design: Slimmer Without Sacrifice
The Xiaomi 17 Ultra trades pixel density for brightness and size, dropping from 522 ppi to 416 ppi on its 6.9-inch flat 1.5K display. In side-by-side testing, this generational resolution drop proves less noticeable than expected, and the trade-off yields tangible benefits: the panel is now the series’ biggest and brightest yet. The display’s immersive flat edges and refined corners create a more premium feel than the rounded designs of competitors.
The Ultra’s industrial design represents a significant refinement. At just 8.29mm thick and 224g, it achieves a slimmed-down body without sacrificing battery capacity or durability. The matte fiberglass back resists fingerprints effectively, addressing a persistent complaint about flagship phones. Compared to the iPhone 17 and Galaxy S26, the Xiaomi 17 Ultra feels noticeably lighter and more compact, making it easier to operate with one hand despite its large screen.
Camera Innovation: Leica’s Telephoto Breakthrough
The Xiaomi 17 Ultra’s camera system stands as its most compelling advantage over rivals. Variable telephoto sensor technology, combined with Leica collaboration and thermal advancements, delivers exceptional low-light and night photography. Noise control ranks among the top two devices in independent testing, with minimal chroma noise even in challenging lighting conditions. Detail preservation in shadows and highlights exceeds both the iPhone 17 and Galaxy S26, according to week-long field testing across varied environments.
The Leica partnership extends beyond software tuning. The Leica Leitzphone edition, sold globally as a rebranded variant, includes a mechanical zoom ring for tactile focus control. This tactile element differentiates the Xiaomi 17 Ultra from competitors relying purely on touchscreen controls. Standard models lack this focus ring, though the variable telephoto sensor delivers zoom flexibility across the entire lineup. Night mode performance and texture preservation set the device apart from rivals like the OPPO Find X9 Pro and Vivo X300 Pro, which also compete in the 2026 camera flagship space.
Performance and Battery: Handling 2026’s Demands
The Xiaomi 17 Ultra handles the latest games without stuttering and maintains dependable Wi-Fi and mobile connectivity throughout extended testing. Battery capacity exceeds previous-generation Ultra models, though a camera module produces a slight rattle when shaken—a minor durability concern that does not affect functionality. The larger battery combined with the efficient display and processor delivers multi-day endurance in moderate use, outpacing the iPhone 17 and Galaxy S26 in real-world longevity.
Global Launch and Market Positioning
Xiaomi’s international strategy rebrands the 17 Ultra Leica Edition as the Leica Leitzphone powered by Xiaomi for markets outside China. This partnership elevates brand perception and positions the device alongside premium camera-focused competitors. The global rollout signals Xiaomi’s confidence in competing directly with Apple and Samsung in mature markets, not merely as a budget alternative but as a genuine flagship contender.
Should You Buy the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra deserves consideration if camera performance, design refinement, and battery life matter more than ecosystem lock-in. The device excels where iPhone 17 and Galaxy S26 stumble: low-light photography, display brightness, and overall thinness. If you rely heavily on iOS or Android-exclusive apps and services, ecosystem switching remains a barrier. For photographers and design-conscious users willing to embrace Xiaomi’s software experience, the 17 Ultra delivers flagship performance at a competitive position in the 2026 market.
How does the Xiaomi 17 Ultra compare to the iPhone 17?
The Xiaomi 17 Ultra outperforms the iPhone 17 in camera low-light performance, display brightness, battery capacity, and industrial thickness. The iPhone 17 maintains advantages in ecosystem integration, software polish, and processing consistency. The choice depends on whether you prioritize camera excellence and design over Apple’s software ecosystem.
What makes the Leica Leitzphone different from the standard Xiaomi 17 Ultra?
The Leica Leitzphone edition includes a mechanical zoom ring for tactile focus control, a feature absent from standard Xiaomi 17 Ultra models. Both share the same core camera sensor and processing, but the focus ring offers photographers a more tactile, rangefinder-style interaction. Outside China, this variant launches under the Leica brand partnership.
Does the Xiaomi 17 Ultra have better battery than the Galaxy S26?
The Xiaomi 17 Ultra features a larger battery capacity than its predecessors and outperforms the Galaxy S26 in endurance testing. Real-world battery life depends on usage patterns, but the 17 Ultra’s efficiency and larger cell deliver measurable advantages for multi-day users.
The Xiaomi 17 Ultra represents a genuine breakthrough in flagship smartphone design and camera performance. It proves that innovation no longer belongs exclusively to Apple and Samsung. For anyone seeking a camera-first flagship with exceptional design and battery life, this device demands serious consideration in 2026.
Where to Buy
This article was written with AI assistance and editorially reviewed.
Source: TechRadar
