Xiaomi Mix Fold 4 Price, Specs, Features and Best Deals

Xiaomi has finally unveiled its newest foldable smartphone, Xiaomi Mix Fold 4 alongside its flip counterpart Xiaomi Mix Flip. The Xiaomi Mix Fold 4 is a book-style large foldable device with a quad rear, dual front camera setup, and a dual LTPO AMOLED display with a 120Hz refresh rate. It is powered by the same  Qualcomm SM8650-AB Snapdragon 8 Gen 3 chipset as the Galaxy Z Fold6 and the Galaxy Z Flip6, and juiced by a 5100mAh battery.

Design

The Xiaomi Mix Fold 4 boasts one of the slimmest profiles for a foldable smartphone, measuring less than 5mm in thickness when unfolded, with overall dimensions of 159.4 x 143.3 x 4.6 mm when open and 159.4 x 73.1 x 9.5 mm when folded, while weighing 226g. This slim design offers a sturdy and durable feel, instilling confidence in its build quality.

The device features a glass front when folded, a plastic front when unfolded, and an aluminum frame. The internals are reinforced with carbon fiber plates, making the overall build lighter than previous generations. Curved edges on both the screen and the back enhance ergonomics, making the phone easier to hold.

The hinge mechanism, crucial in any foldable device, has been reinforced to provide a seamless folding experience and reduce wear and tear over time. Additionally, the device features minimal bezels, maximizing screen real estate and enhancing the immersive viewing experience.

The Xiaomi Mix Fold 4 has a prominent camera module on the rear profile. This protruding module is constructed from black plastic, distinguishing it from the rest of the rear profile. The glass surrounding the cameras features a tactile grid pattern. The module houses four rear cameras and an LED flash.

Available in black, white, and blue color variants, the Mix Fold 4 is water-resistant up to 1.5 meters for 30 minutes, though it lacks particle resistance, limiting its suitability for beachside use.

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Additional features of the device include a side-mounted fingerprint sensor, a noise-canceling microphone for calls and recording, two stereo speakers, an IR blaster, a dual nano SIM card tray, and a USB Type-C port.

Display

The Xiaomi Mix Fold 4 features an impressive dual-display setup, catering to both functionality and visual delight. When unfolded, the primary screen is a foldable 7.98-inch LTPO AMOLED display that supports 1 billion colors, offering stunning color accuracy and depth.

Compared to the Mix Fold 3’s 8.03-inch display, the Xiaomi Mix Fold 4’s 7.98-inch display marks a slight reduction in size but brings several advancements and refinements. Despite the smaller dimensions, the Mix Fold 4’s display maintains an immersive and expansive viewing experience, thanks to its high screen-to-body ratio of approximately 89.4%.

The 7.98-inch LTPO AMOLED screen supports 1 billion colors, ensuring vibrant and accurate color reproduction. With a resolution of 2224 x 2488 pixels and a pixel density of around 418 ppi, it delivers sharp and detailed visuals.

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The display is capable of a 120Hz refresh rate, providing smooth and responsive interactions, and supports HDR10+ and Dolby Vision, enhancing contrast and dynamic range for a more lifelike viewing experience.

Additionally, the screen reaches 1700 nits of brightness in high brightness mode (HBM) and peaks at 3000 nits, ensuring excellent visibility even in bright outdoor conditions.

In terms of protection, the Mix Fold 4’s display is equipped with scratch and drop-resistant glass, enhancing its durability and making it more resistant to everyday wear and tear

Additionally, there is the second display which is the cover screen for quick access and functionality when folded. This 6.56-inch LTPO AMOLED cover display supports 68 billion colors, 120Hz refresh rate, HDR10+, and Dolby Vision, maintaining the same high standards of color accuracy and dynamic range as the main display.

With a resolution of 1080 x 2520 pixels and a 21:9 aspect ratio, the cover display provides a comfortable and practical experience for everyday tasks. The high pixel density ensures that text and images are crisp, making it easy to use for quick tasks and notifications.

It also achieves 1700 nits in HBM and peaks at 3000 nits, ensuring clarity in various lighting conditions. This level of brightness, combined with HDR10+ support, makes it ideal for watching HDR content, providing deeper blacks and brighter highlights, which enhance the viewing experience for movies, videos, and photos. Like the main display, it supports 1 billion colors, providing consistent color accuracy and quality across both screens.

Above all, both displays are protected by scratch and drop-resistant glass, enhancing the device’s durability. Although the outer display is made of Xiaomi’s latest Dragon Ceramic Guard glass, the top and bottom are also curved.

Camera

The Xiaomi Mix Fold 4’s camera system offers a comprehensive and high photography experience, leveraging advanced technology and premium components. The main camera is the centerpiece of the Mix Fold 4’s photography capabilities. It features a 50 MP sensor with a custom Light Fusion 800 sensor, designed to capture high-resolution images with excellent detail and sharpness.

The wide 23mm focal length is ideal for general photography, from landscapes to portraits. It has a f/1.7 aperture that allows for substantial light intake, crucial for low-light photography, with a large 1/1.49″ sensor and 1.0µm pixel size which contribute to better light sensitivity and image quality.

Furthermore, this main lens features laser autofocus (AF) and phase detection autofocus (PDAF) to ensure fast and accurate focusing, while the presence of optical image stabilization (OIS) helps reduce camera shake and blur, particularly in low-light conditions. The main camera is topped with a new generation Leica Summilux lens with a 1G + 6P structure made of high-grade optical materials ensuring excellent light transmittance and stability.

Additionally, the Xiaomi Mix Fold 4 features a 50 MP telephoto lens that delivers detailed zoomed-in shots with a 47mm focal length and 2x optical zoom, allowing you to bring subjects closer without compromising image quality.

While this lens replaces the 3.2x telephoto lens found in the Mix Fold 3, resulting in narrower focal length coverage, it offers improved imaging quality with a higher pixel count. Additionally, the sensor supports In-Sensor Zoom, making 4x zoom effective and maintaining high image quality despite the change..

It also has a f/2.0 aperture that is wide enough to perform well in various lighting conditions. The lens can focus from as close as 9cm to infinity, making it versatile for both macro and telephoto shots. It also features PDAF which ensures quick and precise focusing, and OIS which helps maintain image stability, reducing the chances of blurry photos.

Furthermore, this device features a periscope telephoto lens designed for significant optical zoom, offering a 10 MP sensor with a 115mm focal length for 5x optical zoom. This lens is ideal for capturing distant subjects with clarity. The f/2.9 aperture, while narrower than the other lenses, still allows for decent light capture. It also features the OIS and PDAF system that ensures that the camera can focus quickly and accurately from 30cm to infinity.

Lastly, the rear profile also has the ultrawide camera features a 12 MP sensor and an f/2.2 aperture, providing a 15mm focal length with a 120° field of view. This lens is perfect for capturing wide landscapes, architecture, and group photos.

The ultrawide lens maintains impressive color accuracy and detail, thanks to its advanced optical design and HDR capabilities. The entire camera system also benefits from Leica’s high-quality lenses and coatings, which enhance image sharpness, reduce flare, and improve overall image quality.

The Xiaomi Mix Fold 4 features two 16 MP front-facing cameras, one on the main display and one on the cover display. Under the main display when unfolded the 16MP front wide camera offers an uninterrupted screen experience, while the cover screen has a punch-hole cutout that accommodates the other 16MP front camera for easy access without unfolding the screen.

For video enthusiasts, the Mix Fold 4 delivers an impressive array of recording options. It can shoot in breathtaking 8K at 24fps and 4K at varying frame rates up to 60fps, catering to different cinematic needs. In 1080p, the device pushes the boundaries, offering frame rates that span from 30fps all the way up to an incredible 960fps for slow-motion capture, enabling users to explore captivating visual effects.

The camera system supports Dolby Vision HDR support for video recording and enhances the dynamic range and color depth of the footage, making it suitable for professional-grade video capture. The front camera is equally versatile, capable of recording videos in 4K at 30/60fps and 1080p at 30/60fps.

Meanwhile, both front and rear camera supports gyro-EIS (Electronic Image Stabilization) combined with OIS which ensures smooth and stable footage, even when recording handheld or in motion.

Hardware and Software

The Xiaomi MIX Fold 4 is powered by the latest Qualcomm Snapdragon 8 Gen 3 processor, marking a significant upgrade in both performance and energy efficiency. As Qualcomm’s newest flagship chip, the Snapdragon 8 Gen 3 features a tri-cluster CPU configuration with a single Cortex-X4 core clocked up to 3.2 GHz, three high-performance Cortex-A7x cores, and four power-efficient Cortex-A5x cores.

This setup ensures top-tier performance for intensive tasks and gaming, while also optimizing power usage for everyday applications. The processor is complemented by the Adreno 750 GPU, which delivers enhanced graphics capabilities, supports advanced gaming features, and improves visual performance.

In addition to its powerful CPU and GPU, the Snapdragon 8 Gen 3 integrates an advanced AI Engine, accelerating artificial intelligence tasks and optimizing performance. It supports cutting-edge 5G connectivity, including both sub-6 GHz and mmWave frequencies, and is compatible with Wi-Fi 7 and Bluetooth 5.3 for faster wireless connections and improved efficiency. The chipset’s advanced image signal processor (ISP) supports high-resolution cameras and 8K video recording, providing superior imaging performance.

The Xiaomi MIX Fold 4 features robust internal storage options and advanced charging capabilities. It is available in three storage configurations: 256GB with 12GB of RAM, 512GB with 16GB of RAM, and a high-capacity 1TB model with 16GB of RAM. All configurations utilize UFS 4.0 storage technology, which ensures fast read and write speeds, contributing to smooth multitasking and quick data access.

The android phone is powered by a substantial 5,100 mAh battery, which is non-removable and provides extended usage time. For charging, it supports 67W wired fast charging, capable of reaching 31% charge in just 10 minutes, according to advertised performance. Additionally, it offers 50W wireless charging, achieving a 24% charge in the same 10-minute timeframe. These fast charging capabilities ensure minimal downtime and efficient power replenishment.

Furthermore, the Xiaomi MIX Fold 4 runs on Xiaomi’s HyperOS, a custom skin built atop Android 14, offering a blend of core Android functionalities with unique enhancements. HyperOS introduces a dynamic notch solution similar to Apple’s Dynamic Island, providing interactive notifications and shortcuts that enhance usability.

The operating system also features exclusive improvements for camera capabilities, leveraging advanced AI-powered assistants to deliver smart recommendations and contextual assistance. Gaming enthusiasts will benefit from HyperOS’s optimizations that boost game performance, graphics rendering, and resource management for a smoother gaming experience.

In addition to these innovations, HyperOS focuses on streamlining the user experience by minimizing pre-installed apps, resulting in a cleaner and more personalized device right out of the box. This approach allows users to tailor their devices according to their preferences and needs, avoiding unnecessary clutter and making it easier to manage applications.

Overall, HyperOS enhances the Xiaomi MIX Fold 4 with a combination of Android 14’s features and Xiaomi’s unique customizations for a more efficient and enjoyable user experience.

Xiaomi Mix Fold 4 Price and Availability

Xiaomi Mix Fold 4 is available in China starting at a price of 8999 yuan, which equivalent to $1,235 or ₦2,000,000.