The question of the refresh rate of the display and the CPU rate in the Xiaomi Mi 9T smartphone is one of the most popular among those who are considering this model for purchase or trying to understand the reasons for its performance. Many users confuse these two indicators, although they are responsible for completely different aspects of the device: smooth interface and computing power. Let’s get to the key numbers right away to give you a complete picture.
The screen of the flagship killer 2019 has a refresh rate of 60 Hz, which is the standard for the AMOLED-At the same time, the Qualcomm Snapdragon 730 CPU runs at frequencies up to 2.2 GHz, ensuring stable performance in games and everyday tasks. Understanding the difference between the screen and the processor will help you to properly configure the gadget and not require it impossible.
In this article, we will take a closer look at the display’s specifications, explain why 60Hz was the norm for AMOLED in 2019, and analyze how CPU frequency affects your user experience. You will also learn whether there are hidden opportunities for overclocking or optimization, and whether you should expect high frame rates in future updates.
Display refresh rate: AMOLED standards and realities
Display of the smartphone Xiaomi Mi 9T built on the basis of a qualitative matrix of type AMOLED Samsung's original 60Hz refresh rate is typical of this panel, which means that the image on the screen is updated 60 times per second. LCD-screens, this figure seems quite enough to provide a smooth picture.
However, in today’s context, where 90Hz and 120Hz are becoming standard even in the mid-range, 60Hz may feel less dynamic. It’s important to understand that the AMOLED matrix has its physical limitations. The technology of producing such panels in 2019 did not allow for massive adoption of high frequencies without significantly increasing the power consumption and cost of the device.
Despite the lack of high hertz, the Mi 9T screen is praised for its excellent color reproduction and deep black. The touch sampling rate on this device is 240 Hz, making the response to touch quick enough for a comfortable game, even if the visual frame rate is limited to 60 FPS. This is an important technical nuance that is often overlooked.
- 📱 The native frequency of matrix update is exactly 60 Hz.
- 👆 Sensor response frequency reaches 240 Hz for fast response.
- 🎨 Type of matrix Super AMOLED Provides the perfect black color.
- 🔋 60 Hz Standard has a positive impact on battery life.
📊 How important is the high frequency of screen refresh (90-120 Hz)?
It's critically important, I can't do it without it.
I would have noticed the difference, but not critically.
I don't even notice the difference.
I'm more interested in color reproduction and brightness.
The heart of the smartphone is the Qualcomm Snapdragon 730 chipset. This eight-core processor is built on an 8-nm process and is divided into two clusters. The first cluster responsible for heavy tasks includes two Kryo 470 Gold cores with a maximum frequency of 2.2 GHz. The second cluster consists of six energy-efficient Kryo 470 Silver cores operating at a frequency of up to 1.8 GHz.
This big.LITTLE architecture allows the system to dynamically distribute the load. When you flip through social media feed, the quiet cores at 1.8 GHz are running, saving battery life. When you run a demanding game, the system connects powerful cores at 2.2 GHz. The Adreno 618 graphics accelerator, which is part of the chip, also plays a key role in rendering graphics.
It is worth noting that the actual frequency of the processor during operation can vary. The system of trottling (overheat protection) can reduce the clock frequency under prolonged loads to prevent critical heating of the case. This is a normal behavior for any modern smartphone, ensuring its durability.
What is processor trottling?
Trottling is a protection mechanism in which the system forcibly reduces the CPU clock speed when a certain temperature is reached. This prevents overheating and possible damage to components, but can cause short-term falls in FPS in games.> The effect of Hertz on gameplay and interface Users often wonder how much difference there is between 60 Hz and higher values in games. In the case of the Xiaomi Mi 9T, the limit of 60 frames per second is the ceiling for most games. Even if the CPU is able to produce more frames, the display will not physically be able to display them more often than 60 times per second. For shooters and dynamic races, however, the FPS gives an advantage in the 60 GPS speeds, each one of the actual 60 GS, the FPS is important in the game. On Mi. 9T You get a stable picture, but without the "oily" smoothness of scrolling menus, which is typical for modern screens. MIUI (Or HyperOS in newer versions) optimized to run at 60Hz. Transition animations, app openings, and page scrolling are set to look as smooth as possible within this limitation. ⚠️ Attention: Installing third-party launchers or heavy animation themes can create the illusion of "lags," when in fact it's just unoptimized graphics that the 60Hz screen does not have time to smooth out. The impact of the CPU frequency is also great here. If the Snapdragon 730 can’t handle rendering a frame in 16.6 ms (one frame time at 60 Hz), you’ll see frame drops). But in most scenarios, the CPU-screen bundle works in concert. Comparison with modern counterparts and competitors To understand the place of Xiaomi Mi 9T In the current hierarchy, it is useful to compare its performance with newer models: Modern mid- and high-end smartphones often feature screens with 90 Hz, 120 Hz and even 144 Hz. This creates a high standard of smoothness, against which 60 Hz can seem less attractive. However, when comparing the Mi 9T With budget devices of the same period or even some modern "state employees", he wins at the expense of the quality of the matrix. AMOLED. Many cheap phones today have a lot of them. IPS-screens with 90 Hz, which in color reproduction and contrast are inferior to the Mi screen 9T, despite the higher hertz. Below is a table comparing the frequency characteristics of the Mi 9T and its conditional competitors of different years: Smartphone model Screen frequency (Hz) Processor (max. frequency) Type of matrix Xiaomi Mi 9T 60 Hz 2.2 GHz (SD 730) AMOLED Xiaomi Mi 9T Pro 60 Hz 2.84 GHz (SD 855) AMOLED Xiaomi Redmi Note 10 Pro 120 Hz 2.4 GHz (SD 732G) AMOLED Xiaomi Poco X3 NFC 120 Hz 2.2 GHz (SD 732G) IPS LCD ☑️ What to look for when choosing a screen Type matrix (AMOLED or IPS)Frequency of update (60, 90, 120 Hz)Brightness in threadsGorilla Glass (Performed: 0 / 4 On the Internet you can find many instructions on how to "overclock" the screen Xiaomi Mi 9T before 90 or 120 Hz with an engineering menu or root rights, and to disappoint you, you can't physically overclock the matrix. 60 Hz, no software crutches will make it update faster. It can only cause unstable operation or a complete failure of the display. With the processor, the situation is slightly different, but also risky. CPU. But the Snapdragon 730 is a system-on-a-chip with tight limits. Attempting to artificially raise the frequency above the standard 2.2 GHz will lead to instantaneous overheating and trottling, which will eventually reduce performance. The only safe way to speed up the device is to optimize the system. Disabling animations, cleaning up memory, and using lighter versions of apps can create a sense of more responsiveness than any attempts at hardware intervention. ⚠️ Attention: Use of “overclocking” applications" (CPU Boosters is often a marketing ploy. They can aggressively close the background processes, which in the long run even harms autonomy, causing the processor to wake up more often. MIUI And HyperOS, although you can't change the physical refresh rate, you can adjust the behavior of the screen for maximum comfort. 9T There is a section settings → A screen where important parameters are available, you can adjust color temperature, read mode and resolution, to save battery power and reduce the load on the processor, you should use a dark theme. AMOLED-In the screens, black means off pixels, which really saves energy. Also worth paying attention to the function of Avtobrightness, which adapts the backlight to the lighting, preventing unnecessary voltage on the matrix. If you think the interface is slow, try changing the font size or scale, and sometimes visual noise creates a sense of slowness. Also in the For Developers section (which needs to be activated with a few clicks on the build number), you can find the animation speed settings. Frequently asked questions (FAQ) Can I program 90 Hz on Xiaomi Mi? 9T? No, it's impossible. 60Hz refresh rate is built into the physical characteristics of the screen matrix. No application, root rights or firmware will change the hardware limitations of the display. Why in games on the Mi 9T Not above 60. FPS? Because the phone's screen can't physically display more than 60 frames per second. Even if the Snapdragon 730 processor is capable of rendering more, you won't see the difference. 60 frame limit FPS It also saves battery. Does the CPU frequency affect the charging speed? No, CPU clock speed doesn't directly affect charging speed. However, if the CPU is running at high frequencies while charging (like you're playing), the phone will heat up and the system can slow charging for safety. Is there any difference in screen frequency in the Xiaomi Mi 9T Pro? No, the Pro version is only different with a more powerful CPU (Snapdragon 855) and fast memory. The screen in both models (Mi 9T and Mi 9T Pro) is identical and has a 60Hz frequency.