Smartphones
Samsung Galaxy S26 Ultra vs Xiaomi 15 Ultra
Verdict
Buy Xiaomi 15 Ultra if you prioritize faster charging and a Leica camera system; buy Samsung Galaxy S26 Ultra if you prioritize the display and long software support. Xiaomi 15 Ultra also has a larger claimed battery in its China model, while Samsung Galaxy S26 Ultra offers a specified 6.9-inch, 120Hz display and seven years of updates. The choice is less clear for performance, durability, audio, comfort, and value because the claims do not establish a direct winner.
Pros
Cons
- Xiaomi 15 Ultra's curved display has been criticized for glare, and Xiaomi 15 Ultra's camera module has been considered bulky. [6]
- Xiaomi 15 Ultra has been described as having limited global availability. [6]
- Samsung Galaxy S26 Ultra lacks built-in magnets needed for Qi2 charging and lacks high-frequency PWM dimming. [7]
- Samsung Galaxy S26 Ultra has a reported red-tint problem that Samsung acknowledged as a software issue after a prolonged delay. [8][9]
Who it suits
Who should skip it
- Xiaomi 15 Ultra is not ideal for buyers who dislike bulky camera modules, glare from curved displays, or limited global availability. [6]
- Samsung Galaxy S26 Ultra is not ideal for buyers who require built-in Qi2 magnets, high-frequency PWM dimming, or a camera system without reported zoom and macro limitations. [7][11]
Head to head
| Area | Samsung Galaxy S26 Ultra | Xiaomi 15 Ultra | Edge |
|---|---|---|---|
| Battery | Not covered by the sources found. | Xiaomi 15 Ultra has a 5,410mAh battery in the global model and a 6,000mAh battery in the China model. [1] | Unclear |
| Camera | Not covered by the sources found. | Xiaomi 15 Ultra has a 200 MP Leica quad-camera system, and Xiaomi 15 Ultra's front camera records 4K video with screen flash and software optimization for darkness. [3][10] | Unclear |
| Charging | Samsung Galaxy S26 Ultra is rated for 60W wired charging and 25W wireless charging, and Samsung Galaxy S26 Ultra lacks built-in magnets for Qi2 charging. [4][7][12] | Xiaomi 15 Ultra supports 90W wired charging, 80W wireless charging, and 10W reverse wireless charging. [1] | Xiaomi 15 Ultra |
| Display | Samsung Galaxy S26 Ultra has a 6.9-inch, 120Hz display reaching 2,600 nits peak brightness; reviewers described the display experience as excellent, but the panel uses 8-bit color with FRC and lacks high-frequency PWM dimming. [5][7][11] | Xiaomi 15 Ultra's curved display has been criticized for glare. [6] | Samsung Galaxy S26 Ultra |
| Durability | Samsung Galaxy S26 Ultra has IP68 water and dust resistance, and one reviewer said Samsung Galaxy S26 Ultra's construction and IP rating held up through falls and liquid spills. [4][13] | Xiaomi 15 Ultra is IP68-rated and supports immersion up to 1.5 meters for 30 minutes. [1][2][3] | Tie |
| Performance | Not covered by the sources found. | Xiaomi 15 Ultra recorded a 125 FPS 3DMark Wild Life result and is claimed to deliver up to 120 FPS in many games with good cooling. [3][14] | Unclear |
| Service support | Not covered by the sources found. | Xiaomi 15 Ultra has been described as having limited global availability. [6] | Unclear |
| Software | Samsung Galaxy S26 Ultra includes seven years of operating-system and security updates. [4][5] | Not covered by the sources found. | Unclear |
| Value | Not covered by the sources found. | Not covered by the sources found. | Unclear |
| Audio | Not covered by the sources found. | Not covered by the sources found. | Unclear |
| Build | Not covered by the sources found. | The camera module on Xiaomi 15 Ultra has been considered bulky. [6] | Unclear |
| Comfort | Not covered by the sources found. | Not covered by the sources found. | Unclear |
| Cooling | Samsung Galaxy S26 Ultra has a redesigned vapor chamber intended to improve heat dissipation across a larger surface area. [4] | Not covered by the sources found. | Unclear |
| Known issues | Samsung acknowledged Samsung Galaxy S26 Ultra's red-tint problem as a software issue after a prolonged delay; Samsung is preparing an update to correct the screen's reddish color balance. [8][9] | Not covered by the sources found. | Unclear |
Trade-offs
- Choosing Xiaomi 15 Ultra gives you a Leica quad-camera system and a 200 MP camera claim, while choosing Samsung Galaxy S26 Ultra gives you a specified multi-camera layout and consistent results but reported weaknesses in zoom and macro photography. [5][10][11][13]
- Choosing Xiaomi 15 Ultra means accepting a curved display criticized for glare and a bulky camera module, while choosing Samsung Galaxy S26 Ultra means accepting the lack of high-frequency PWM dimming and a reported red-tint issue. [6][7][8][9]
Which one for whom
- Fast wired and wireless charging: Xiaomi 15 Ultra. Xiaomi 15 Ultra supports 90W wired charging and 80W wireless charging, compared with Samsung Galaxy S26 Ultra's 60W wired and 25W wireless ratings. [1][4][12]
- Long-term software support: Samsung Galaxy S26 Ultra. Samsung Galaxy S26 Ultra includes seven years of operating-system and security updates. [4][5]
- Bright, large display: Samsung Galaxy S26 Ultra. Samsung Galaxy S26 Ultra has a 6.9-inch, 120Hz display reaching 2,600 nits peak brightness, while Xiaomi 15 Ultra's curved display has been criticized for glare. [5][6][11]
- Camera hardware variety: Xiaomi 15 Ultra. Xiaomi 15 Ultra has a 200 MP Leica quad-camera system, while one review said Samsung Galaxy S26 Ultra trails competitors in zoom, macro photography, and overall camera hardware. [10][11]
- Broad availability: Samsung Galaxy S26 Ultra. Xiaomi 15 Ultra has been described as having limited global availability, while no comparable availability concern is claimed for Samsung Galaxy S26 Ultra. [6]
Sources
- Xiaomi 15 Ultragsmarena.com · published · checked
- Samsung Galaxy S26 Ultra vs Xiaomi 15 Ultra: Compare Specifications, Price | Gadgets Nowgadgetsnow.indiatimes.com · published · checked
- Xiaomi 15 Ultra Reviewsuprememobiles.in · published · checked
- Galaxy S26 Ultra Review: Privacy Display Proves Hardware Still Matters in an AI World - CNETcnet.com · published · checked
- Galaxy S26 Ultra Review: Slim, Smart, and Crazy Battery Lifedroid-life.com · published · checked
- Samsung Galaxy S26 Ultra Vs Xiaomi 15 Ultra: Full Specs Comparisonfsl-specs.com · published · checked
- Samsung Galaxy S26 Ultra reviewgsmarena.com · published · checked
- Samsung acknowledges the Galaxy S26 Ultra red screen problem, a fix is underwaygsmarena.com · published · checked
- Why is Galaxy S26 Ultra's huge screen flaw taking so long to fix?techadvisor.com · published · checked
- XIAOMI 15 Ultra (Silver Chrome, 16GB/512GB)amazon.in · publish date not stated · checked
- Samsung Galaxy S26 Ultra Long-Term Review: Still Great, But Falling Behindgadgetbytenepal.com · published · checked
- Samsung Galaxy S26 Ultra91mobiles.com · published · checked
- Samsung Galaxy S26 Ultra long term review: win-win | 91mobiles.com91mobiles.com · published · checked
- Samsung Galaxy S26 Ultra 5G vs Xiaomi 15 Ultrasmartprix.com · published · checked
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