Kazuha or Xiaomi: Comparison of 2026 flagships – who wins in real-world tests?

Introduction: Two Approaches to Flagship Smartphones

Choosing between the ASUS ROG Phone 8 Pro (known in Japan as Kazuha) and the Xiaomi 14 Ultra is not just a technical comparison; it is a confrontation between two philosophies: a gaming superphone versus a universal photoflagman. Both devices are equipped with the Snapdragon 8 Gen 3, but their purpose is radically different.

Kazuha ASUS — It is a device for those who are willing to sacrifice compactness for maximum performance, unique gaming chips (like ultrasonic triggers) and a cooling system that can withstand hours of intense load. Xiaomi 14 Ultra, by contrast, is aimed at photographers and users who care about premium design, the best camera on the market and balanced autonomy?

In this article, we'll look at 8 key aspects that will help you decide, from processor tests to ergonomics, and at the end, you'll find a unique comparison of the value of each smartphone through the prism of real-world use cases, from streaming in 4K to shooting in RAW.

1. Performance: Snapdragon 8 Gen 3 in different shells

Both smartphones run on Qualcomm Snapdragon 8 Gen 3, but their performance differs due to optimization and cooling system. In synthetic tests (such as AnTuTu 10 or Geekbench 6), the ROG Phone 8 Pro usually outperforms the Xiaomi 14 Ultra by 10-15% thanks to:

• 🔥 Active cooling with steam chamber and fan in the kit (optional).
• 🎮 X Mode mode, which accelerates the processor to the limiting frequencies (with the risk of overheating).
• 📦 16/24 GB RAM (against) 12/16 GB at Xiaomi and UFS 4.0 high-speed reading/write.

But the difference in real-world tasks is not always noticeable, like editing videos in Adobe Premiere Rush or rendering them. 3D-The Blender Xiaomi 14 Ultra models can even overtake Kazuha through more efficient heat management, but in games like Genshin Impact or Call of Duty: Mobile, the maximum settings are set. ASUS confidently.

⚠️ Attention: "X Mode" mode on ROG The Phone 8 Pro could cut battery life by 20 to 30 percent with constant use. Xiaomi, by contrast, limits peak performance to save battery life.

2.Display: 165Hz vs 120Hz - what's more important for the eyes?

ROG Phone 8 Pro is equipped 6,78-inch AMOLED-resolution-screen 2448×1080 and frequency of renewal 165 Hz. This is the best choice for gamers: high refresh rate makes animations smoother and support HDR10+ And Dolby Vision provides saturated colors.+ It can disappoint the lovers of details.

Xiaomi 14 Ultra offers 6,73-inch 2K AMOLED (3200×1440) s 120 Hz and support for Dolby Vision, HDR10+, Certification of DisplayMate A+. Its key advantages:

• 👁️ Higher pixel density (522 ppi vs 395 ppi y) ASUS) — The text and graphs look clearer.
• ☀️ Brightness up to 3,000 nits (vs. 2500 nits in Kazuhi), which is critical for use in the sun.
• 🎨 Customization of color profiles (including mode for coated photographers) DCI-P3).

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On Xiaomi 14 Ultra, enable Dynamic Resolution mode in the screen settings (Settings → Display → Screen Resolution) to balance autonomy and image quality.

For everyday use, the difference in refresh rate (120 Hz vs 165 Hz) is almost invisible, but in ROG Phone 8 Pro games it gives an advantage, but Xiaomi wins in multimedia: when watching movies in 4K HDR, its screen transmits more shades of black and details in the shadows.

3.Cameras: Leica vs Nothing (but with Sony sensors)

Here, Xiaomi 14 Ultra is the undisputed leader, and its camera system is developed in conjunction with Leica and includes:

• 📸 Core module: Sony IMX989 (50 MPP, 1 inch, variable diaphragm f/1.6–f/4.0).
• 🔍 Telephoto: two modules (75 mm and 120 mm) with 3.2× 5× zoom.
• 🌌 Ultra High Dynamic Range (up to 14) EV) sun-film.

ASUS ROG Phone 8 Pro is equipped with a modest:

• 📷 Core module: Sony IMX890 (50 MPP, 1/1,56", f/1.9).
• 📐 Ultra-wide: 13 MPP (f/2.2, 125°).
• 🔎 Telephoto: 32 MPs from 3× zoom.

In real-world settings, Xiaomi outperforms Kazuha in detail, color rendering (thanks to Leica profiles) and night photography. For example, when photographing architecture from a distance, the Xiaomi 14 Ultra retains brick textures and carving details, while the ROG Phone 8 Pro blurs them when zooming in.

⚠️ Attention: Camera ROG The Phone 8 Pro is optimized for speed, not quality, for example, it focuses more quickly on games with a high-speed mobile phone. AR-elements Pokémon GO), but loses in manual mode due to the lack of advanced settings.

4. Autonomy: 5500 mAh vs 5300 mAh - who lives longer?

On paper, the ASUS ROG Phone 8 Pro will benefit from a 5,500mAh battery (versus Xiaomi's 5,300mAh), but the reality is that it depends on the scenario:

Xiaomi 14 Ultra is more economical in everyday tasks thanks to the optimization of MIUI 15 and more efficient 6 nm process Snapdragon. whereas in games ROG Phone 8 Pro lasts longer - but only if the mode is not activated "X Mode", otherwise the discharge is accelerated by 40%.

Turn off X Mode in games|Set a limit FPS 90 Hz.|Use the original cooler|Disable ultrasonic triggers when simple-->

Both smartphones support fast charging (65W for ASUS, 90W for Xiaomi), but the Xiaomi 14 Ultra also offers 50-watt wireless charging – critical for those who often forget cable.

5.Design and Ergonomics: Game Monster vs Premium Flagship

ASUS ROG Phone 8 Pro is 170g of plastic and metal with aggressive game design: RGB-It's thicker (8.9 mm versus 9.2 mm for Xiaomi), but it's flatter, but it's more stable in the hand:

• ❌ It is not comfortable to carry in your pocket (77 mm wide).
• ❌ There is no official water protection (IP-certificate).
• ❌ The backlight quickly puts the battery down (up to 5% per hour in the "always on" mode").

Xiaomi 14 Ultra is premium in everything: a glass case with an aluminum frame, weighing 220 g, IP68 protection and even the ceramic back panel in the top version.

• ✅ Convenient screen curvature (88)°) swipe-wire.
• ✅ Tactile buttons with linear response (like the iPhone).
• ✅ Stylus support (optional).

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If you want practicality, choose Xiaomi 14 Ultra. If you are willing to put up with size for gaming chips, take ROG Phone 8 Pro (but be prepared for oblique looks on the subway).

6. Additional chips: what does each offer?

ASUS ROG Phone 8 Pro is aimed at gamers and streamers:

• 🎮 AirTrigger – virtual buttons with tactile impact.
• 🔊 Stereo speakers with support for Dolby Atmos and a 3.5 mm headphone jack.
• 🖥️ X Mode Desktop – Connecting to the monitor as a PC (via the PC) USB-C → HDMI).

Xiaomi 14 Ultra is betting on multimedia and productivity.

• 📱 Stylus support (like Samsung Note) for notes and drawing.
• 🔋 Reverse wireless charging (10 W) for accessories.
• 🌐 Global version of the 5G for all ranges (y) ASUS There may be network problems in some countries).

Both phones support Wi-Fi 7 and Bluetooth 5.4, but only Xiaomi has an infrared port to control the hardware.

7.Price and Value: Who is the Best Benefits in 2026?

At the time of writing (June 2026), prices in Russia and the CIS are about the following:

• ASUS ROG Phone 8 Pro (16/512 GB): ~120 000 ₽.
• Xiaomi 14 Ultra (16/512 GB): ~140 000 ₽.

At first glance, Kazuha is cheaper, but you need to consider:

• 💰 Additional costs: cooler (~5 000 ₽), case (~3 000 ₽), low-latency headphones (~10 000 ₽).
• 📉 Resale price: Xiaomi 14 Ultra will lose in a year ~30% price, and ROG Phone 8 Pro – up to 50% (niche product).
• 🔧 Guarantee and service: Xiaomi has more service centers in the regions.

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If you want a smartphone for 3-4 years — Xiaomi 14 Ultra pays off at the expense of versatility. If you take exclusively for gaming and are ready to upgrade more often — ASUS ROG Phone 8 Pro will give more emotion here and now.

FAQ: Answers to popular questions