
The Xiaomi MIX 4 is a game-changer in the world of smartphones. It boasts a massive 6.67-inch AMOLED display, making it perfect for watching movies or browsing the web.
The device is powered by a Qualcomm Snapdragon 888 processor, ensuring seamless performance and efficient multitasking. This means you can have multiple apps open at the same time without any lag.
The Xiaomi MIX 4 features a 4500mAh battery, which provides a full day of use even with heavy usage. This is thanks to its advanced power-saving technology that optimizes battery life.
This phone is a great option for those who want a premium device without breaking the bank, as it offers a lot of features at an affordable price.
Design and Features
The Xiaomi Mi Mix 4's design is quite impressive, with a 6.67-inch AMOLED screen that curves at the edges, though the tapering is gentle so don't expect a dramatic slope.
The screen supports HDR10+ and Dolby Vision, and has a 2400 x 1080 resolution, which is Full HD+ and pretty standard for a smartphone. It's also made of Corning Gorilla Glass Victus, a robust form of glass that's used in several Xiaomi devices.
The phone has a unibody design, where the front, frame, and back are all one continuous part, which looks pretty premium and likely makes the thing pretty hardy.
Design and Display

The Xiaomi Mi Mix 4's design is a major selling point, thanks to its innovative 'camera-under-panel' feature, which allows for a sleek and seamless look.
The phone's 6.67-inch AMOLED screen supports HDR10+ and Dolby Vision, making it perfect for watching movies and TV shows.
This screen resolution is a standard Full HD+ at 2400 x 1080, which is great for everyday use.
The phone's body is made of Corning Gorilla Glass Victus, a robust and high-quality material that's resistant to scratches and drops.
It's available in gray, white, and black versions, so you can choose the one that suits your style.
The camera bump on the back is a bit thick, but it doesn't cover a huge area of the back, making it a bit more manageable.
The phone has a USB-C port, but unfortunately, no 3.5mm headphone jack.
The unibody design of the Mi Mix 4 makes it look and feel premium, and it's likely to be more durable than other phones with separate parts.
Specs and Features

The Mi Mix 4 boasts the top Android processor available at time of launch, the Qualcomm Snapdragon 888 Plus chipset. This is a powerful processor that should handle demanding tasks with ease.
However, it's worth noting that the Snapdragon 888 chipset in the Mi 11 Ultra had an overheating issue that made it surprisingly weak during long periods of use. Let's hope Xiaomi has addressed this problem in the Mi Mix 4.
Xiaomi has indeed implemented a built-in cooling system in the Mi Mix 4, which should help to keep the phone a few degrees cooler during intensive use and when charging. This is a great feature that should help to prevent overheating issues.
Specifications
The Xiaomi MIX 4 is a powerhouse of a phone, boasting the top-of-the-line Qualcomm Snapdragon 888+ chipset.
This phone's processor is an enhanced version of the 888 flagship, also confirmed to appear in the Honor Magic 3.
The MIX 4 is available in three colors: white, black, or grey ceramic, with a unibody ceramic finish that reduces weight by 30%.
It's still a heavy phone at 225g, but its slender design makes it surprisingly comfortable to hold, measuring just 8mm thick.
The phone's display is a 6.67in FHD+ OLED display with curved glass and support for up to 120Hz refresh rates.
Here are the full MIX 4 specs:
- Qualcomm Snapdragon 888+
- 8/12GB DDR5 RAM
- 128/256/512GB UFS 3.1 storage
- 6.67in FHD+ 120Hz OLED display
- Rear camera: 108Mp main camera with OIS, 5x optical zoom periscope lens, and 13Mp free-form ultrawide shooter
- 5G
- Ultra wide band
- Stereo speakers
- 4500mAh battery
- 120W wired charging
- 50W wireless charging
- Gorilla Glass Victus
- Ceramic unibody
- 8mm thick
- 225g
- MIUI 12.5 on Android 11
The MIX 4 also features a 20Mp selfie shooter that's built under the display, allowing for an uninterrupted screen most of the time.
Mi Release Date and Price
The Xiaomi Mi Mix 4 was revealed on August 10, but it's unclear if it will launch outside of China.
The phone starts at CNY 4,999 for 8GB RAM and 128GB storage in China, which converts to around $770, £560, AU$1,050.
It's worth noting that Xiaomi's prices tend to be higher in other regions, so even if the Mi Mix 4 did get a global launch, it would likely have a premium cost.
There's also a CNY 5,299 version with 8GB RAM and 256GB storage, a CNY 5,799 model with 12GB RAM and 256GB storage, and a super-specced CNY 6,299 device with 12GB RAM and 512GB storage.
Hardware and Software
The Xiaomi MIX 4 initially came with MIUI 12.5 custom skin, which is based on Android 11. Later, the phone was updated to Xiaomi HyperOS, which is based on Android 14.
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Hardware
The Xiaomi MIX 4 packs a powerful Qualcomm Snapdragon 888+ SoC, which is the first of its kind in a phone.
This processor has an overclocked Kryo 680 Prime core that runs at 2.99 GHz, a significant boost from the standard 2.84 GHz.
The phone comes in various memory configurations, including 8/128 GB, 8/256 GB, 12/256 GB, and 12/512 GB.
The battery life will depend on software optimizations, but the 4,500mAh battery is a fair size.
The phone features 120W fast wired charging, which can fill the battery in 20 minutes or less.
Wireless charging is also super-fast, with a 50W spec that can charge the phone quickly.
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Software
The Xiaomi MIX 4 initially came with MIUI 12.5 custom skin, which is based on Android 11.
This custom skin was later updated to Xiaomi HyperOS, which is based on Android 14.
Cost and Opinions
The Xiaomi MIX 4 is a premium device with a price tag to match. In China, the starting price is ¥4,999 for an 8/128GB model.
The prices go up to ¥6,299 for the top 12/512GB version, which is still cheaper than the Mi 11 Ultra. This shows that Xiaomi is trying to position the MIX 4 as a more affordable option.
For those interested in the global pricing, it roughly converts to a £550/$770 starting price, going up to £700/$970 for the top model.
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Cost Estimate
The Mi Mix 4 starts from ¥4,999 for an 8/128GB model.
This is a significant price drop from its predecessor, the Mi 11 Ultra, which began at ¥5,999 when it launched earlier this year.
The starting price in other currencies is roughly equivalent to £550/$770.
The top model, with 12/512GB storage, costs ¥6,299 in China.
This top model would cost around £700/$970, although it's likely to be more expensive if the phone launches in the West.
User Opinions

User opinions about the Xiaomi Mix 4 are mixed, with some users experiencing overheating issues, particularly with the 11 Ultra model.
The 888+ model, on the other hand, seems to have avoided overheating issues in normal operation.
Notchless phones, like the Mix 4, have their advantages, including a more streamlined design and no notch to obstruct the screen.
However, some users consider notchless phones a niche piece of tech that never quite caught on.
The 888+ model's 120W charging speed is excessive, according to some users.
Some users praise the Mix 4's design, calling it "great on paper" but criticizing its "terrible package."
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