Xiaomi launched the Mi 9 SE in 2019 as a compact alternative to the flagship Mi 9 lineup. This smartphone is one of the latest in the series with a screen diagonal of less than 6 inches – a trend that has almost disappeared from the mass market today. If you are planning to buy this device or already own it, the question of how many inches does Xiaomi Mi 9 SE become key not only for understanding the dimensions, but also for selecting cases, protective glasses and even assessing usability with one hand.
In this article, we will not only answer the question about diagonal, but also analyze how this parameter affects everyday use, compare the Mi 9 SE with other Xiaomi models in size, and give practical tips for choosing accessories.
Official data: Xiaomi Mi 9 SE diagonal in inches and centimeters
According to the manufacturer’s technical specifications, the Xiaomi Mi 9 smartphone SE fitted AMOLED-It's a 5.97-inch screen, and it's listed in all official sources, including Xiaomi's website and certification documents. For those of you who are used to using the metric system, here's a translation:
- 📏 5.97 inches = 15.16 centimeters (exact value when translated).
- 📐 Screen resolution: 2340 × 1080 pixels (Full) HD+).
- 🔄 Aspect ratio: 19.5:9 (extended format with minimum frames).
It is important to note that the diagonal is measured by the angular points of the matrix, not by the body of the device, which means that the real dimensions of the smartphone will be slightly larger due to the bezels (although the Mi has a small size). 9 SE They're minimal because of the frameless design: 147,5 × 70,5 × 7,45 mm.
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If you are buying a cover or protective glass, always check compatibility with the exact model (Mi 9 SE, not just "Mi 9").Even a small difference in diagonal (for example, 5.97 vs 6.01 inch) can lead to incomplete screen coverage.
How a 5.97 inch diagonal affects usability
The 5.97-inch screen is now considered a compact one, especially with modern smartphones with diagonals of 6.5-6.8 inches, which gives the Mi 9 SE several key advantages:
- 👆 One-handed control: With its narrow frame and relatively small width (70.5 mm), most actions can be performed without intercepting the device.
- 🎒 Compact: Smartphones can fit easily in even small pockets or handbags.
- 👁️ Pixel density: at full resolution HD+ Diagonal 5.97 inches density is ~432 ppi, which provides a clear picture without visible pixels.
There are, however, downsides:
- 📺 Multimedia: To watch movies or games, the diagonal may seem small, especially if you are used to shovels like the Redmi Note or the Redmi Note. POCO.
- 🔍 Textwork: When reading or editing documents for a long time, your eyes get tired faster than on 6.5 screens.+ inch.
The Mi 9 SE was one of the latest Xiaomi smartphones with a diagonal of less than 6 inches, and after that the company almost completely switched to formats from 6.3 inches and above, following the market trends.
Comparison with other Xiaomi models: who is more, who is less
To better understand how compact the Mi 9 SE is, compare it to other popular smartphones of the brand. Below is a table with the diagonals and physical dimensions of the cases:
| Model | Screen diagonal | Size of shell (B)×Shh.×T-T-T-T-T-T-T-T-T-T-T-T-T-T-T-T-T-T-T-T-T-T-T-T-T) | Relationship of parties |
|---|---|---|---|
| Xiaomi Mi 9 SE | 5,97" | 147,5 × 70,5 × 7,45 mm | 19,5:9 |
| Xiaomi Mi 9 | 6,39" | 157,5 × 74,7 × 7,6 mm | 19,5:9 |
| Redmi Note 10 Pro | 6,67" | 164 × 76,5 × 8,1 mm | 20:9 |
| POCO X3 Pro | 6,67" | 165,3 × 76,8 × 9,4 mm | 20:9 |
| Xiaomi 12 Lite | 6,55" | 159,3 × 73,7 × 7,3 mm | 20:9 |
As you can see from the table, the Mi 9 SE is noticeably smaller even than its “classmates” in the Mi 9 line. For example, the difference in body width between the Mi 9 SE and the Mi 9 is 4.2 mm – this seems insignificant, but in practice it affects ergonomics. For comparison, the POCO X3 Pro is as wide as 6.3 mm, which makes it less convenient to use with one hand.
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If you’re looking for a compact, the Mi 9 SE is one of the best choices among Xiaomi smartphones in recent years. Newer models with a diagonal of up to 6 inches are extremely rare.
How to choose the right cover and protective glass for Mi 9 SE
With the exact screen size (5.97 inches), you can start choosing accessories, but there are a few nuances that many people forget:
- The exact match of the model: even if the case or glass is listed as "5.9-6.0 inches", it may not fit due to differences in the location of the cameras, connectors or buttons. SE".
- Screen form factor: The Mi 9 SE has rounded corners and a front camera cutout (called a drip night) and the glass must repeat these contours, otherwise there will be problems with the touchscreen sensitivity around the edges.
- Material case: for compact smartphones, it is better to choose thin cases (for example, from TPU or silicone), so as not to increase the already small dimensions.
Examples of compatible accessories:
- 🛡️ Security glass: Spigen Glas.tR EZ Fit (precise fit to the camera cutout), Nillkin H+ Pro (with oleophobic coating).
- 📱 Cases: Xiaomi Original Silicone Case (official, with texture), Ringke Fusion-X (with enhanced corner protection).
Does it have a camera cutout and sensors?
Is it fitting? 147,5 × 70,5 mm?
Is it compatible with wireless charging (if needed)?
Are there any reviews on the quality of the materials?
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Important! Some vendors indicate the diagonal of the case or glass in "universal" inches (for example, "5.5-6.0 inches"), but this does not guarantee an accurate fit. Always check the reviews photos where you can see how the accessory sits on the Mi 9 SE.
Frequent mistakes in the selection of accessories diagonally
Many users mistakenly believe that it is enough to know the diagonal of the screen to pick up a case or glass, which in practice leads to the following problems:
⚠️ Warning: Mi 9 cases (6.39 inches) won't work for Mi 9 SE, And the difference in the size of the shells is, ~10 mm in width and length, which will make the accessory too free or completely incompatible.
Other common mistakes:
- 🔄 Confusion with models: for example, buying glass for Redmi Note 9S (6.67 inches) instead of Mi 9 SE.
- 📏 Ignoring thickness: Some cases add 2-3mm to the thickness of the smartphone, which can interfere with the use of wireless charging.
- 🎨 Ignoring design: glass without a cutout for the front camera will lead to problems with facial recognition or selfies.
To avoid these mistakes, use the following tips:
- Check the accessory article for compatibility with the M1903F10I (model code Mi 9 SE).
- Look for the phrase “Designed for Xiaomi Mi 9 SE” or similar.
- If you buy in an offline store, take your smartphone with you to try it on.
What if you bought the wrong bag?
How to measure the screen diagonal yourself (if there is no data)
If you are not sure of the accuracy of the diagonal (for example, buying a used smartphone), you can measure it yourself.
Algorithm of action:
- Turn on your smartphone and go to the main screen (so that the frames do not interfere with the measurement of the visible area).
- Take a ruler and measure the width and height of the screen diagonally from angle to angle (not body!). Write down the values in centimeters.
- Use the Pythagorean theorem to calculate diagonal: diagonal = √(width² + height2) For example, if the width = 6.5 cm and height = 13.5 cm, diagonal = √(6,5² + 13,5²) ≈ 14.8 cm (or) ~5.83 inches).
- Transfer centimeters to inches, dividing the result by 2.54.
For the Mi 9 SE, when measured accurately, you should get a value close to 15.16 cm (5.97 inches).
- 🔧 Screen malfunction (for example, after matrix replacement).
- 📱 Counterfeiting or rebranding another model.
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For more accuracy, use a bar instead of a ruler, and you can also use specialized applications like Screen Ruler (available on Google Play), but they give approximate values.