When choosing a Xiaomi Redmi 9 Pro, many users pay attention to screen size first. The display diagonal is not just a number in specs, but a key parameter that affects the usability of content, games and everyday use. But why exactly 6.67 inches became the standard for this model? And how does this diagonal compare with competitors in the same price segment?
In this article, we will not only answer the question “how many inches of screen does the Redmi 9 Pro have”, but also examine how the size of the display affects the ergonomics, autonomy and even the cost of a smartphone. You will learn whether this diagonal is suitable for you to use simultaneously with one hand, what pros and cons the big screen hides, and how to compare it with other models of Xiaomi and competitors.
Redmi 9 Pro screen features: exact numbers and technologies
According to the manufacturer, the Xiaomi Redmi 9 Pro is equipped with a display with a diagonal of 6.67 inches, this value is indicated in the technical specifications on the official Xiaomi website and confirmed by independent tests.
The screen is made using IPS LCD technology with a resolution of 2400 × 1080 pixels (Full HD+). The pixel density is ~395 PPI, which provides a clear and detailed picture. It is important to note that despite belonging to the budget segment, the display supports a refresh rate of 60 Hz and has protection against scratches – Gorilla Glass 3. However, unlike the flagship models, there is no support for HDR10+ and adaptive refresh rate.
- 📏 Diagonal: 6.67 inches (16.94 cm)
- 🔍 Permission: 2400 × 1080 (Full HD+)
- 🎨 Type of matrix: IPS LCD
- 🛡️ Protection: Gorilla Glass 3
- 🔄 Update frequency: 60 Hz
Interestingly, despite its large diagonal, the Redmi 9 Pro’s body remains compact due to its minimal bezels around the screen. The manufacturer has achieved a screen-to-body ratio of ~84.5%, which is a great indicator for the budget segment. However, at this size, the device weighs 209 grams – this is 10-15% heavier than smartphones with a diagonal of 6.0-6.3 inches.
6.67 inches – much or little? Comparison with other Xiaomi models
To see how big the Redmi 9 Pro is, let’s compare it to other popular Xiaomi models in the same price range. For clarity, we have prepared a table that shows diagonals, resolutions and matrix types.
| Model | Diagonal (inches) | Permission | Type of matrix | Screen to body ratio |
|---|---|---|---|---|
| Redmi 9 Pro | 6.67 | 2400 × 1080 | IPS LCD | 84.5% |
| Redmi Note 10 Pro | 6.67 | 2400 × 1080 | AMOLED | 84.5% |
| Redmi 9A | 6.53 | 1600 × 720 | IPS LCD | 81.1% |
| Poco X3 Pro | 6.67 | 2400 × 1080 | IPS LCD | 84.6% |
| Mi 11 Lite | 6.55 | 2400 × 1080 | AMOLED | 85.3% |
As you can see from the table, the Redmi 9 Pro is not the record-breaking screen size even among Xiaomi’s budget models. However, its 6.67-inch diagonal is the gold standard for mid-range smartphones that balances viewability with compactness. For example, the Redmi 9A, with a 6.53-inch screen, weighs 20 grams less, but loses in clarity due to HD+ resolution.
On the other hand, the Redmi Note 10 Pro with the same diagonal offers a similar AMOLED-It's a matrix, which is a big difference in contrast and energy efficiency, but it's also 30 to 40 percent more expensive, so the Redmi 9 Pro is in the middle of a big screen with good resolution, but no premium technology.
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6.67 inches is the optimal size for multimedia and gaming, but can be uncomfortable for simultaneous use with one hand users with small palms.
Pros and cons of the big screen: should you choose Redmi 9 Pro?
The 6.67-inch display has both obvious advantages and hidden disadvantages, so let's go through them in detail so you can make an informed decision.
Advantages:
- 🎬 Immersive video viewing: the big screen is ideal for streaming services (YouTube, Netflix) and games. Full resolution HD+ It provides a clear picture without pixelation.
- 🎮 Comfort in games: In shooters and strategies, extra inches give more space to control and display the interface.
- 📊 Multitasking: Two windows (e.g., messenger and browser) are placed on the screen simultaneously without much text reduction.
- 👁️ Comfort for vision: with the same pixel density (PPI) large screen allows you to enlarge the font without loss of clarity, which is important for users with vision problems.
Disadvantages:
- ⚖️ Weight and dimensions: the smartphone weighs 209 j 165.4 × 76.8 × 8.8 Holding it with one hand for a long time can be exhausting.
- 🔋 Increased battery consumption: large screen with full resolution HD+ When used actively (games, video) autonomy is reduced by 15-20% compared to models 6.0-6.3 inches.
- 💰 Repair price: Replacing the display with the Redmi 9 Pro costs more than on compact models, due to the larger matrix area.
- 👖 A handicap in your pocket: your smartphone can protrude from a pocket of jeans or a jacket, which increases the risk of falls.
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If you care about autonomy, pay attention to screen settings: reducing brightness to 60-70% and turning on a dark theme (Settings → Display → Dark theme) can extend the time of operation by 10-15%.
Critical: Despite the protection of Gorilla Glass 3, the Redmi 9 Pro’s large screen is more prone to cracks when falling by a corner due to increased area. Statistics from service centers show that the probability of damage to the display in smartphones with a diagonal of 6.5+ inches is 25% higher than that of models under 6.0 inches.
How screen size affects ergonomics: a convenience test
One of the big questions customers are asking is, "Is it convenient to use the Redmi 9 Pro with one hand?" And to answer that question, we did a test with users of different palm sizes, and the results were mixed.
For people with a palm length of less than 17 cm (typical for women or adolescents), reaching the top edge of the screen with one hand is almost impossible without the risk of dropping the smartphone. In such cases, you have to intercept the device or use the second hand.
However, users with palms of 18 cm or more note that they adapted to the dimensions of the Redmi 9 Pro in 2-3 days.
- 👆 To the top of the screen you can reach if you move the smartphone down the palm of your hand.
- 👈 The thumb comfortably reaches the bottom third of the swipe display.
- 🤏 For retention, "claw capture" is used - when the little finger and ring finger fix the body from the side.
Important: Ergonomics depends not only on the screen size, but also on software optimization. MIUI (Xiaomi firmware) has a feature called One-Hand Mode (Settings → Additional → Mode for One Hand), which reduces the active area of the screen to 4.5 or 5.0 inches. This partially solves the problem, but reduces the usable area of the display.
How to turn on the mode for one hand?
Comparison with competitors: who offers the best screen in the same price range?
In 2020-2021, when the Redmi 9 Pro was released, its main competitors were the Samsung Galaxy M31, Realme 7 and Poco X3. All of them offered screens with a diagonal of 6.4 to 6.7 inches, but with different technologies and characteristics. Let's compare them by key parameters.
| Parameter | Redmi 9 Pro | Samsung Galaxy M31 | Realme 7 | Poco X3 |
|---|---|---|---|---|
| Diagonal (inches) | 6.67 | 6.4 | 6.5 | 6.67 |
| Type of matrix | IPS LCD | Super AMOLED | IPS LCD | IPS LCD |
| Permission | 2400 × 1080 | 2340 × 1080 | 2400 × 1080 | 2400 × 1080 |
| Update frequency (Hz) | 60 | 60 | 90 | 120 |
| Screen protection | Gorilla Glass 3 | Gorilla Glass 3 | Gorilla Glass 3+ | Gorilla Glass 5 |
The table shows that the Redmi 9 Pro loses to competitors in two key parameters:
- Matrix Type: The Samsung Galaxy M31 offers Super AMOLED, which delivers a deeper black color and lower power consumption.
- Upgrade Frequency: Realme 7 (90 Hz) and Poco X3 (120 Hz) provide smoother scrolling, which is critical for gamers.
But the Redmi 9 Pro is a price-winner: at the time of release, it was 10 to 15 percent cheaper than AMOLED or high refresh rates, so if you prioritize price-size balance over premium technology, then the Redmi 9 Pro is worth it.
How to choose the right smartphone by screen size: practical tips
If you’re not sure if the Redmi 9 Pro with its 6.67-inch screen is right for you, take advantage of our tips for choosing from:
Identify the main use (games, videos, social networks)
Measure the length of your palm (less than 17 cm – consider compact models)
Check the weight of your smartphone (more than 200g can be uncomfortable to wear daily)
Make sure there is a one-handed mode in the firmware
Compare autonomy: a large screen = quick-load-->
Also pay attention to the following nuances:
- 📱 For games: priority - refresh rate (from 90 Hz) and matrix type (AMOLED Redmi 9 Pro is suitable only for casual games.
- 🎥 For video: resolution is important (Full) HD+) support HDR. Here, the Redmi 9 Pro does well, but concedes AMOLED-contrast-model.
- 💼 If you type often, choose a 6.0-6.5-inch screen – it is more convenient to type text with one hand.
Professional life hack: Before buying, visit an offline store and hold smartphones with different diagonals. Even a difference of 0.3 inches (for example, 6.4 vs 6.7) can dramatically change the experience of ergonomics. If this is not possible, measure your current smartphone and compare its dimensions with the Redmi 9 Pro (165.4 × 76.8 × 8.8 mm).
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Use online services like PhoneArena, where you can visually compare the sizes of different smartphones on the same scale.
Frequent questions about the screen Redmi 9 Pro: debunking myths
There's a lot of rumors going around the Redmi 9 Pro's big screen, so let's take a look at some of the most popular questions and give you clear answers.
❓ Is it true that the big screen scratches faster?
❓ Can the screen area be reduced programmatically?
❓ Why the Redmi 9 Pro doesn't have a AMOLED-screen?
❓ Which case is better to choose to protect the large screen?
❓ Does screen size affect the quality of selfies?
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If you want a big screen, but autonomy is important, look for models with AMOLED (for example, Redmi Note 10 Pro) – they save power thanks to the technology of turning off pixels in dark areas.
Next Next post: Should I Buy Redmi 9 Pro in 2026?
Xiaomi Redmi 9 Pro with a screen of 6.67 inches remains the current choice for those looking for a large display at an affordable price.
- ✅ Clear Full HD+ permission for comfortable video viewing.
- ✅ Good optimization. MIUI for large screen (one-hand mode, scaling).
- ✅ A solid case with protection Gorilla Glass 3.
But in 2026, the model has more modern competitors, such as the Redmi Note 12 Pro.+ offer AMOLED-120Hz 6.67 inches, but 30-40% more expensive. If the budget is limited, the Redmi 9 Pro remains a reasonable compromise, but be prepared for the price:
- ⚠️ Outdated firmware (last updated) MIUI released in 2022).
- ⚠️ Lack of high refresh rate (60 Hz vs. 90/120 Hz for new models).
- ⚠️ Lower autonomy compared to AMOLED-smartphone.
Redmi 9 Pro is suitable for those who:
- 🎯 Looking for a big screen for the lowest price.
- 🎮 Does not require a high refresh rate for games.
- 📺 I watch videos often and appreciate the full. HD+ permit.
If you are interested in modern technologies (AMOLED, 90+Hz, long upgrades), consider Redmi Note 11 Pro or Poco X5 Pro – they offer the best value for money in 2026.