Xiaomi 17 Ultra Review

The Xiaomi 17 Ultra sits at the very top of Xiaomi’s lineup, above the standard Xiaomi 17 and the dual-screen Xiaomi 17 Pro/Pro Max models that never left China. It’s the company’s answer to the Galaxy S26 Ultra, and after several generations of “Ultra” phones that were camera-first but rough around the edges everywhere else, this is the version Xiaomi finally sells outside China with a battery large enough to match its ambitions.

Globally, the Xiaomi 17 Ultra launched at Mobile World Congress in Barcelona on February 28, 2026, starting at €1,499 for the 16GB/512GB configuration and €1,699 for 16GB/1TB — the same pricing as its predecessor, the Xiaomi 15 Ultra, despite a well-documented spike in memory chip prices across the industry in early 2026. A Leica-branded variant, sold globally as the “Leica Leitzphone powered by Xiaomi,” tops the range at €1,999.

What makes this generation genuinely interesting isn’t just the camera hardware, though that’s still the headline act. It’s that Xiaomi finally gave the global model a battery worthy of the “Ultra” name — 6,000mAh, up from 5,410mAh on the 15 Ultra — while keeping a 1-inch main sensor, a periscope telephoto with actual continuous optical zoom, and a screen that’s grown to 6.9 inches. The biggest question hanging over the phone isn’t whether it can take a good photo — it clearly can — but whether all of that adds up to a phone worth well over €1,500 when Samsung, Oppo, and vivo are all fighting for the same buyer.

Quick Verdict

The Xiaomi 17 Ultra is, on hardware alone, one of the most capable camera phones sold outside China. The 1-inch main sensor, versatile 200MP periscope telephoto, and genuinely strong ultrawide unit outclass most rivals, and battery life is now excellent rather than merely acceptable. Charging is fast, the display is bright and sharp, and HyperOS 3 is more feature-complete than it’s ever been in a global release.

The trade-offs are real, though: this is one of the most expensive phones you can buy, the camera app can be overwhelming for casual users, video stabilization while walking isn’t as polished as the stills experience, and Xiaomi’s software update commitment — while improved — still trails Samsung’s and Google’s on paper.

Best suited for: people who care primarily about photography and are willing to pay a premium for a 1-inch sensor and a proper zoom lens, plus anyone who wants genuinely long battery life in a flagship. Value for money is reasonable relative to its closest direct rival, the Galaxy S26 Ultra, but this is not a phone for anyone trying to get flagship performance on a budget.

Specifications at a Glance

Category	Details
Display	6.9″ LTPO AMOLED, 1200 x 2608px, 120Hz, HDR10+/Dolby Vision, up to 3,674 nits (10% patch, measured)
Processor	Qualcomm Snapdragon 8 Elite Gen 5 (3nm), Adreno 840 GPU
RAM	12GB / 16GB LPDDR5X
Storage	512GB / 1TB UFS 4.1, no microSD
Main Camera	50MP, f/1.7, 1-inch sensor, OIS
Front Camera	50MP, f/2.88, autofocus
Battery	6,000mAh (global) / 6,800mAh (China)
Charging	90W wired, 50W wireless, 22.5W reverse wired
OS	Android 16 (HyperOS 3), upgraded to Android 17 in mid-2026
Connectivity	5G, Wi-Fi 7, Bluetooth 5.4, NFC, satellite messaging
Weight	224g
Protection	IP68/IP69
Price	From €1,499 (16GB/512GB)

Design and Build Quality

At 162.9 x 77.6 x 8.3mm and 224g, the Xiaomi 17 Ultra is a large, dense phone, and there’s no getting around that — a 1-inch camera sensor and a periscope zoom module both need physical space, and that space comes at the cost of pocketability. The frame is aluminum, the front is glass, and the back is either fiber-reinforced plastic or a silicone-polymer “eco-leather” finish depending on the color and edition, which at least keeps fingerprints and slipperiness in check compared to a glossy glass back.

The screen-to-body ratio sits above 93%, and bezels are slim and even on all sides, so despite the display growing from 6.73 inches on the 15 Ultra to 6.9 inches here, the phone hasn’t ballooned dramatically in footprint. It’s still a two-handed device for most people, though — anyone coming from a compact phone will need an adjustment period.

Xiaomi carried over IP68/IP69 certification, meaning the phone is rated not just for standard dust and freshwater immersion but also for exposure to high-pressure, high-temperature water jets — a rating more associated with industrial or automotive equipment than smartphones, and one that gives extra peace of mind if you’re rinsing the phone off after a beach day. The under-display ultrasonic fingerprint reader is fast and well-positioned for one-handed unlocking, and volume and power keys sit within comfortable thumb reach on the right edge.

The camera module itself is the design’s most polarizing element: a large, round island housing three lenses plus flash and sensors. It’s substantial enough that the phone rocks slightly on a flat surface unless you use a case, and Xiaomi leans into this by selling optional camera grip accessories at launch that essentially turn the phone into a point-and-shoot with a physical shutter button — a nice touch for anyone who actually wants to use this as a serious camera rather than just a phone with a good one.

Display

The 6.9-inch panel is an LTPO AMOLED that Xiaomi calls “HyperRGB” — a genuine RGB subpixel arrangement rather than the more common PenTile matrix, which Xiaomi says improves text sharpness and fine detail rendering at a given resolution. Interestingly, the resolution actually dropped compared to the 15 Ultra (1200 x 2608px versus 1440 x 3200px, working out to 416ppi instead of 522ppi), but in independent lab testing this hasn’t translated into any visible loss of sharpness — you’d need to be pixel-peeping to notice, and most people never will.

Brightness is where the picture gets more nuanced. Lab measurements found the panel hitting 638 nits in manual mode and 1,132 nits in auto mode with a 75% white test pattern — both numbers lower than the 15 Ultra achieved. Where the 17 Ultra pulls ahead is in HDR-style peak brightness with a smaller highlight area: up to 3,674 nits with a 10% white patch, and slightly higher still in the Gallery app. In practice, that means HDR photos and video should look genuinely punchy, while general outdoor visibility in bright sunlight, though still very good, isn’t the generational leap Xiaomi’s marketing implies.

Color depth is 12-bit, HDR10+, Dolby Vision, and HDR Vivid are all supported, and the LTPO panel scales its refresh rate intelligently — down to 1Hz when idle, up to 120Hz for scrolling and gaming, and matching video frame rates (24, 30, 60fps) automatically during playback rather than defaulting to a fixed rate. Touch sampling runs up to 300Hz according to Xiaomi’s own spec sheet.

This display will appeal most to people who watch a lot of video or consume HDR content — the combination of Dolby Vision support and genuinely high peak brightness makes streaming apps look excellent. Gamers benefit from the adaptive high refresh rate too, though the resolution drop means this isn’t the sharpest panel Xiaomi has ever shipped on an Ultra phone.

Performance

The Snapdragon 8 Elite Gen 5 is Qualcomm’s current flagship silicon, built on a 3nm process with a custom Oryon V3 CPU architecture (two 4.6GHz “Phoenix L” prime cores plus six 3.62GHz “Phoenix M” efficiency cores) paired with an Adreno 840 GPU. On paper, this puts the 17 Ultra in the same performance bracket as every other flagship launching in this generation, including the Galaxy S26 Ultra and the Oppo Find X9 Pro.

In everyday use, the practical difference a chipset this powerful makes isn’t really about how fast apps open — most current flagships handle that near-instantly. It shows up instead in how well the phone holds onto performance under sustained load: multitasking between heavy apps, exporting large video files, or running RAW photo processing from that 1-inch sensor without stutter. 16GB of RAM on the top configurations gives HyperOS plenty of headroom to keep background apps alive rather than reloading them, which matters more for real-world smoothness than raw benchmark scores do.

Xiaomi hasn’t published detailed first-party benchmark figures for this review, and reliable sustained-performance and thermal-throttling data wasn’t available from independent testing at the time of writing, so we won’t guess at specific numbers here. What can be said with more confidence, based on the class of chipset and the phone’s vapor chamber cooling, is that day-to-day responsiveness should be excellent, and the phone is well-equipped for demanding tasks like 8K video capture and processing without needing a break to cool down.

Gaming Performance

The Xiaomi 17 Ultra qualifies as high-end gaming capable. The Snapdragon 8 Elite Gen 5 and Adreno 840 combination is built to handle the most demanding mobile titles at high settings, and the 120Hz LTPO display with a fast touch sampling rate keeps input feel responsive during competitive play.

We don’t have reliable third-party frame-rate benchmarks for specific titles at this time, so we won’t cite FPS figures that haven’t been independently verified. What can be said is that a phone in this hardware class typically handles graphically intensive games like Genshin Impact or Wuthering Waves at high settings with headroom to spare, though extended sessions on any phone this powerful will generate noticeable warmth, and battery drain during gaming will be faster than during lighter tasks — that’s true of every flagship in this category, not a specific weakness of this phone.

Camera System

This is where the Xiaomi 17 Ultra is meant to earn its price tag, and largely does.

Main Camera

The 50MP main sensor is a 1-inch unit — physically one of the largest sensors in any phone currently sold — paired with an f/1.7 aperture, a 23mm equivalent focal length, optical image stabilization, and dual-pixel autofocus. A sensor this size gathers substantially more light than the smaller sensors found in most competing flagships, which typically translates into better dynamic range, cleaner shadows, and stronger low-light performance without leaning as hard on computational noise reduction.

In daylight, expect strong detail retention, accurate color science (Xiaomi continues its imaging partnership with Leica, which shapes color tuning and lens coatings), and dynamic range that handles high-contrast scenes — bright skies against shaded foregrounds, for instance — without blowing out highlights or crushing shadows. Low-light performance benefits from both the large sensor and OIS, producing images with less visible noise and better preserved detail than most phones can manage after dark.

Ultrawide

The 50MP ultrawide uses a smaller 1/2.76-inch sensor with an f/2.2 aperture and a 115-degree field of view. Tests specifically called this “surprisingly good” — ultrawide cameras are traditionally the weakest link on most phones, including previous Xiaomi Ultra models, so a genuine step up here matters for anyone who shoots landscapes, architecture, or group photos regularly.

Telephoto

This is arguably the biggest hardware story of the generation. The 200MP telephoto camera now offers continuous optical zoom from 3.2x to 4.3x (roughly 75-100mm equivalent), rather than being locked to a single fixed focal length the way most periscope cameras are. Because the underlying sensor is large and high-resolution, further digital cropping beyond the optical range holds up unusually well too, extending genuinely usable zoom out toward the 10x range and beyond for casual sharing, even though quality naturally softens as you move past the optical range. Reviewers specifically praised image quality staying excellent “across its entire, admittedly narrow” optical zoom band — the trade-off for continuous zoom is that the range itself is shorter than some rivals’ fixed multi-lens setups offer. One documented limitation: the telephoto’s minimum focusing distance is longer than ideal, so close-up macro-style shots with the zoom lens aren’t its strong suit.

Front Camera

The 50MP front camera is a meaningful upgrade over prior Xiaomi Ultra phones specifically because it now includes autofocus — previous generations relied on fixed focus, which could leave close-up selfies or group shots slightly soft. Combined with the f/2.88 aperture, this should mean sharper detail and better subject separation for portraits.

Video

The rear cameras support up to 8K at 30fps and 4K at up to 120fps, with gyro-based electronic image stabilization and 10-bit Dolby Vision HDR recording at 4K60 and 1080p. The front camera tops out at 4K60. The one consistent criticism from testing is that stabilization on the main camera, specifically while walking, isn’t as refined as the still-photo experience — handheld walking footage shows more visible motion than the best video-focused competitors manage.

Bottom line on the camera system: the megapixel counts here aren’t just marketing numbers. The 1-inch main sensor and genuinely useful continuous-zoom telephoto represent real physical hardware advantages over most competing flagships, and independent testing backs that up. Video is the one area where the camera system doesn’t fully match its still-photography ceiling.

Battery Life and Charging

The global Xiaomi 17 Ultra ships with a 6,000mAh battery — notably smaller than the 6,800mAh cell in the China-only version, a discrepancy Xiaomi has applied to global models for several generations now, but still a solid step up from the 5,410mAh battery in last year’s 15 Ultra.

In standardized testing, the phone achieved an Active Use Score of 19 hours and 9 minutes, which the outlet noted was higher than most globally available competitors, with the Oppo Find X9 Pro being a notable exception. That’s a real-world blend of web browsing, video playback, and gaming that gives a reasonable sense of a full day’s mixed use, though your own results will vary depending on display brightness settings, refresh rate mode, and how much of your usage is GPS- or camera-heavy.

Charging is genuinely fast: 90W wired charging over Xiaomi’s proprietary HyperCharge protocol took the phone from empty to full in 43 minutes in testing, with a 30-minute charge replenishing 72% — both figures that compare favorably against most rivals in this class. 50W wireless charging is also supported when paired with Xiaomi’s own charging stands, along with 22.5W reverse wired and 10W reverse wireless charging for topping up accessories or other phones. Xiaomi also includes battery health features like an 80% charge limit and adaptive “smart charging” that learns your habits to reduce full-charge time spent at 100%, both of which help slow long-term battery wear.

Heavy use — extended gaming sessions, sustained 4K/8K video recording, or long GPS navigation — will draw down the battery noticeably faster than typical mixed use, as it does on any phone, but the combination of a larger cell than previous global Xiaomi Ultra phones and fast charging means most people should comfortably get through a full day even with fairly demanding use.

Software and User Experience

The Xiaomi 17 Ultra launched on Android 16 with HyperOS 3, and by mid-2026 had already received the update to Android 17 — notably, Xiaomi was among the first third-party manufacturers (after Google’s own Pixel line) to ship that update, arriving as part of a HyperOS 3 point release focused mainly on stability improvements and the June 2026 security patch.

Xiaomi’s global software update commitment for the 17 series is five major Android version upgrades and six years of security patches, which the company has said extends official support to February 2032. That’s a meaningful improvement over the four years of major updates and five years of security support Xiaomi offered on the 14 Ultra just two generations ago, and it puts Xiaomi much closer to — though still one major-update cycle behind — Samsung’s seven-year commitment on the Galaxy S26 Ultra.

Day to day, HyperOS 3 on the global version is close to feature parity with the Chinese release, which wasn’t always true of past Xiaomi software. The differences that remain are mostly around privacy and app-permission granularity, where the Chinese version offers more detailed controls. Xiaomi has also finally added double-tap-to-lock to the global ROM, a small but overdue quality-of-life feature. The interface itself is visually similar to the last two HyperOS releases, so returning Xiaomi users will feel immediately at home, while newcomers should expect a learning curve navigating Xiaomi’s dense settings menus and occasional duplicate apps.

Software longevity matters more than it might seem at first glance: a phone this expensive is a multi-year purchase for most buyers, and a longer update runway protects both day-to-day security and resale value down the line. Xiaomi’s improved — but not class-leading — commitment here is a real consideration if you’re comparing this phone against Samsung’s longer support window.

Audio and Connectivity

The 17 Ultra uses a hybrid stereo speaker setup, with a louder bottom-firing driver and a second speaker doubling as the earpiece. Lab testing measured a “Very Good” -24.1 LUFS loudness score — technically quieter than the 15 Ultra’s speakers, but with noticeably fuller, warmer tuning and cleaner vocal reproduction. Relative to direct rivals like the Oppo Find X9 Pro and vivo X300 Pro, the 17 Ultra’s speakers were rated as having an edge in overall sound quality, though the iPhone 17 Pro Max remains ahead of the pack.

On the connectivity side, the phone supports 5G, Wi-Fi 7, and Bluetooth 5.4 with support for high-quality codecs including aptX HD, aptX Adaptive, and LHDC 5 — useful in practice mainly if you own headphones or earbuds that support the same codecs, since the phone will otherwise fall back to standard Bluetooth audio. NFC handles contactless payments and quick pairing, an infrared port lets the phone double as a universal remote for TVs and appliances, and dual-SIM/eSIM support is included, though exact SIM configurations can vary by region. Two-way satellite communication is also built in, letting the phone send and receive basic messages without cellular coverage in an emergency — a feature that’s increasingly common on flagships but still genuinely useful rather than a gimmick.

There’s no headphone jack, which is standard for phones in this class but worth flagging for anyone who still relies on wired audio.

Storage and Memory

The global Xiaomi 17 Ultra comes in two configurations: 16GB RAM with 512GB storage, and 16GB RAM with 1TB storage, both using fast UFS 4.1 storage. There’s no microSD card slot, so whatever capacity you buy is what you’re stuck with for the life of the phone.

For most people, 512GB is genuinely plenty — even with 8K video capture and RAW photo shooting from that 1-inch sensor, which does eat storage faster than typical phone photography. The 1TB step-up makes sense specifically for people who shoot a lot of high-resolution RAW images or 8K/4K video and don’t want to manage storage actively, or who plan to keep the phone for many years without offloading files. Given RAM is fixed at 16GB across both storage tiers, the 512GB model represents the better value unless you have a specific reason to need the extra capacity.

Price and Value

At €1,499 for the base configuration, the Xiaomi 17 Ultra is priced identically to its predecessor despite an industry-wide surge in memory chip costs during early 2026 — a decision Xiaomi made deliberately to stay competitive rather than pass costs on to buyers. That’s a genuinely good sign for value relative to where flagship pricing could have gone this generation, but it doesn’t change the fact that this remains one of the most expensive phones sold outside China, and the Leica Leitzphone variant at €1,999 pushes further into ultra-premium territory.

Judged purely against its closest rival, the Samsung Galaxy S26 Ultra, the Xiaomi 17 Ultra makes a strong value case: a more versatile and generally stronger camera system, likely longer battery life, faster charging, and double the base storage. Against the wider field — the Oppo Find X9 Pro, vivo X300 Pro, and Honor Magic8 Pro — the picture is more mixed. The Find X9 Pro comes close to the 17 Ultra’s camera quality at a lower price with a longer-lasting battery. The X300 Pro arguably edges it in camera processing and charging speed but falls behind on endurance. None of these phones is simply “worse” across the board, which is exactly why value here depends heavily on what you personally prioritize.

Calling the 17 Ultra “good value” isn’t really about it being cheap — it isn’t. It’s that, within the small pool of phones that offer a 1-inch main sensor and a genuinely versatile telephoto camera, it currently has the strongest overall package, battery included.

Competition

Phone	Strength	Weakness	Best For
Samsung Galaxy S26 Ultra	Longer 7-year software support, mature ecosystem	Smaller camera sensor, less versatile zoom	Buyers who prioritize long-term software support and Samsung’s ecosystem
Oppo Find X9 Pro	Close camera quality, longer battery life, more compact	Camera slightly behind the 17 Ultra overall	Buyers who want near-flagship cameras in a smaller, longer-lasting phone
vivo X300 Pro	Strong camera processing, faster charging	Shorter battery endurance	Buyers who prioritize charging speed and photo processing over battery life
Honor Magic8 Pro	Comparable battery life, faster charging	Camera clearly behind the 17 Ultra	Buyers who want strong battery life and don’t need class-leading cameras

There’s no single universal winner among this group — each trades battery life, camera performance, compactness, or charging speed differently, and the right choice depends on which of those matters most to you. What’s clear is that the Xiaomi 17 Ultra currently sits at or near the top of this group specifically for camera versatility.

Pros and Cons

Pros

• 1-inch main sensor and genuinely useful continuous-zoom telephoto deliver some of the strongest photography of any phone in this class
• Class-leading battery life for the category, paired with fast 90W wired and 50W wireless charging
• Bright, sharp 6.9-inch LTPO display with strong HDR support
• Loud, well-tuned stereo speakers
• Improved software support commitment (5 major OS upgrades, 6 years of security patches)
• IP68/IP69 rating and premium build quality

Cons

• Very high price, especially for the Leica Leitzphone variant
• Video stabilization while walking lags behind the still-photo experience
• Camera app’s sheer number of modes and settings can overwhelm casual users
• Telephoto camera’s minimum focusing distance limits close-up zoom shots
• Software support still trails Samsung’s on paper
• No microSD expansion, no headphone jack

Who Should Buy Xiaomi 17 Ultra?

Buy it if you:

• Want the strongest overall camera system available on a phone outside China, particularly for zoom versatility
• Need genuinely long battery life without sacrificing performance
• Value fast charging and don’t mind paying a premium for it
• Are comfortable digging into a feature-dense camera app to get the most out of the hardware
• Want a display with strong HDR support for streaming and content consumption

Avoid it if you:

• Are on a tighter flagship budget — the Oppo Find X9 Pro gets close to this camera performance for less
• Need the longest possible software support window and value that above camera performance
• Prefer a smaller, more one-hand-friendly phone
• Shoot a lot of handheld walking video, where stabilization is a known weak point
• Want expandable storage or a headphone jack

Final Verdict

Is the Xiaomi 17 Ultra worth buying? For the specific buyer it’s built for — someone who wants the best camera hardware available outside China and is willing to pay a genuine premium for it — yes, and convincingly so. The 1-inch main sensor, continuous-zoom telephoto, and surprisingly capable ultrawide combine into a photography experience that few current flagships can match, and the fact that Xiaomi finally paired that camera system with class-leading battery life removes what used to be the Ultra line’s biggest weakness.

The phone’s biggest advantage is unambiguous: camera versatility, backed by real physical hardware advantages rather than software tricks alone. Its biggest weakness is price — at €1,499 and up, this sits at the very top of the market, and buyers who don’t specifically value photography above other considerations will find better all-round value elsewhere, particularly from the Oppo Find X9 Pro or, if longer software support matters more, the Galaxy S26 Ultra.

For enthusiast photographers and anyone who wants a flagship that doesn’t compromise on battery life to get there, the price is justified by what you’re actually getting. For everyone else — people who want a great phone but don’t care much about zoom range or 1-inch sensors — there are more sensibly priced flagships that will serve daily needs just as well. The Xiaomi 17 Ultra isn’t trying to be that phone, and it doesn’t need to be.