Xiaomi Mi 9T (also known as the Redmi K20 In some regions, it remains one of the most popular mid-range smartphones from the brand, and its success is largely due to its balanced performance, among which the CPU plays a key role. If you are planning to buy this device in the secondary market or just want to understand its hardware - this article will help to study the Xiaomi Mi processor in detail. 9T, Its architecture, real performance and compare with competitors.
Unlike flagship models, where manufacturers often use top-end chips (for example, the Snapdragon 855 in the same Mi 9), the Mi is a very popular choice. 9T It's a mid-range processor, the Qualcomm Snapdragon 730, and it's a breakthrough in its segment, thanks to its optimized architecture, technology support, and high energy efficiency. But is it really that good in practice? Let’s understand, analyzing not only the “dry” characteristics, but also the test results, user reviews and nuances, which are often not mentioned in reviews.
It's important to understand that the choice of processor directly affects the speed of the interface, the capabilities in games, autonomy and even what features of the camera will be available. 730 allowed to 9T video-record 4K@30fps In this article, we will not only answer the question of "What processor in Xiaomi Mi". 9T", We will also help you to assess how relevant it is in 2026 year.
Official specifications of the Snapdragon 730 processor in Xiaomi Mi 9T
Qualcomm Snapdragon 730 chip (code name) SM7150) It was announced in April 2019 and is the successor to the popular Snapdragon 710, built on an 8-nanometer process (versus 10 nm in its predecessor), which improved energy efficiency and performance. 9T:
- 🔹 Architecture CPU: 2 Kryo 470 Gold cores (based on) Cortex-A76) 2.2 GHz + 6 Kryo 470 Silver cores (based on) Cortex-A55) frequency up to 1.8 GHz.
- 🎮 Graphics accelerator: Adreno 618 with OpenGL support ES 3.2, Vulkan 1.1 and hardware acceleration H.265 (HEVC).
- 📱 Modem: Snapdragon X15 LTE (download up to 800 Mbps, return up to 150 Mbps).
- 🤖 Artificial Intelligence: Hexagon 688 DSP Qualcomm-enabled AI Engine (performance up to 2) TOPS).
- 📸 Camera support: up to 192 MP (single module) or 22 MPP + 22 MP (dual), video recording 4K@30fps.
The Snapdragon 730 features dynamic load distribution between cores thanks to Qualcomm Kryo technology. CPU. This means that the smartphone automatically adjusts performance to current tasks: for example, when watching videos, energy-efficient cores are used. Cortex-A55, And in games, powerful. Cortex-A76.
Xiaomi Mi. 9T chip works in pair with 6 GB of RAM (in the Mi version) 9T Pro — Snapdragon 855 and up to 8 GB of RAM. The amount of permanent memory varies from 64 GB to 128 GB (depending on the modification). Interestingly, the Snapdragon 730 supports UFS 2.1, which provides high speed reading / writing data - up to 850 MB / s.
💡
If you are buying Xiaomi Mi 9T hand, check the version of the processor in the settings: go to Settings → The phone. → Version. MIUI And you tap 5 times on the "Core" line. In the menu that opens, select "Hardware info" and it shows the chip model.
Performance in benchmarks: real tests Snapdragon 730
To objectively assess the capabilities of the Xiaomi Mi processor 9T, Let’s look at the results of popular benchmarks.
| benchmark | Snapdragon 730 (Mi 9T) | Snapdragon 710 (Mi 9 SE) | Snapdragon 855 (Mi 9T Pro) | Helio G90T (Redmi Note 8 Pro) |
|---|---|---|---|---|
| AnTuTu 9 | 250 000–270 000 | 180 000–200 000 | 360 000–380 000 | 280 000–300 000 |
| Geekbench 5 (Single-Core) | 520–550 | 350–380 | 750–780 | 360–390 |
| Geekbench 5 (Multi-Core) | 1 600–1 700 | 1 300–1 400 | 2 600–2 800 | 1 250–1 350 |
| 3DMark Wild Life | 1 200–1 300 | 900–1 000 | 2 500–2 700 | 1 100–1 200 |
From the table, you can see that the Snapdragon 730 is about 30-40% more productive than its predecessor (Snapdragon 710), but inferior to the flagship Snapdragon 855 by almost 1.5-2 times. G90T Mediatek: While the latter is often marketed as a “game” chip, the Snapdragon 730 performs better in most tests, especially in single-threaded performance and energy efficiency tasks.
In real-world scenarios, this means:
- 📱 Interface. MIUI It runs smoothly, without braking (provided that hundreds of background apps are not installed).
- 🎮 Games: PUBG Mobile and Call of Duty: Mobile Launched on Settings HDR + Ultra with FPS 40–50, Genshin Impact – on the Mean 30 FPS.
- 📸 Photo/video processing: shooting in 4K It is possible, but during a long recording, the chip heats up to 45-50.°C.
- 🔋 Autonomy: with moderate use (social networks, messengers, calls), the smartphone holds a charge of 1.5-2 days.
Important nuance: the results of benchmarks can vary depending on the version MIUI and the thermal state of the device, for example, after upgrading to MIUI 14 Some users reported a 10 to 15 percent performance drawdown due to optimizations designed to increase autonomy. If you notice lag in the interface, try it:
- Clear the cache in Settings → Applications → App management → Clear the cache.
- Turn off animation: activate Developer Mode (tap 7 times on "Version" MIUI") and set the scale of the animation to 0.5x.
- Check the temperature of the processor using the application CPU Monitor - if it exceeds 60°C may require replacement of the thermal paste.
Comparison of the Snapdragon 730 with other processors in 2026
At the time of the release of Xiaomi Mi 9T (June 2019) The Snapdragon 730 was one of the best chips in its segment, but it's been almost 5 years -- what does it look like compared to today's peers:
| Processor | Technique | AnTuTu 9 | Support for 5G support | Year of release |
|---|---|---|---|---|
| Snapdragon 730 (Mi 9T) | 8 nm | 250 000–270 000 | ❌ No. | 2019 |
| Snapdragon 778G (POCO X5 Pro) | 6 nm | 530 000–550 000 | ✅ Yes. | 2021 |
| Dimensity 900 (Redmi Note 11 Pro+) | 6 nm | 480 000–500 000 | ✅ Yes. | 2021 |
| Helio G99 (Redmi 12) | 6 nm | 380 000–400 000 | ❌ No. | 2022 |
As can be seen from the table, the Snapdragon 730 today is significantly inferior to modern chips in:
- 🔧 Techprocess: 8 nm vs. 6 nm from competitors → higher energy consumption and heating.
- 📶 Support 5G: lack of module 5G, What could be critical in 2026.
- 🎮 Performance: in games and heavy applications, the gap reaches 2 times.
However, the Snapdragon 730 has advantages:
- ⚡ Stability: the chip has long been optimized for MIUI, New processors may have "childhood diseases".
- 💰 Price: Xiaomi Mi 9T in the secondary market is 2-3 times cheaper than modern analogues.
- 🔧 Repairability: spare parts (display, battery) are cheaper and more affordable than new models.
💡
In 2026, the Snapdragon 730 is suitable for everyday tasks (social networks, calls, photos), but not for modern games at maximum settings or resource-intensive applications (for example, editing video in the video). 4K).
Should I Buy Xiaomi Mi? 9T The answer depends on your tasks:
⚠️ Warning: If you need a smartphone to play games (like Genshin Impact on high settings) or 5G, It is better to look at newer models such as POCO X5 Pro (with Snapdragon) 778G) Or the Redmi Note 12 Pro.+ (Dimensity 1080).
Trottling and heating: weak spots Snapdragon 730
One of the main problems of the Snapdragon 730 in Xiaomi Mi 9T It's called trolling, which is a forced decline in performance when you overheat, and this is especially noticeable in games or when you record long-term video in a video game. 4K. Let’s understand why this happens and how to minimize the consequences.
Causes of trolling:
- 🔥 The heater: Snapdragon 730 has a TDP (~5 watts), but the cooling system in the Mi 9T not designed for long-term loads.
- 📉 MIUI: Aggressive battery optimization can artificially limit performance.
- 🔋 Battery: Over time, the battery capacity decreases, which increases heating.
Results of the trottling test (conducted with ThrottleTest):
- 📊 First 10 minutes: 95-100 performance%.
- 📉 After 20 minutes: drop to 70–75% frequency-limited CPU/GPU.
- ⚠️ After 30 minutes: 65% stabilization (chip temperature — ~60°C).
How to reduce trottling:
☑️ Ways to reduce heating and trottling
Radical solution: replacement of thermopaste. 9T It uses a standard thermopaste, which loses its properties after 2-3 years of operation. MX-4 Thermal Grizzly Kryonaut processor temperature under load decreases by 5-10°C.
⚠️ Note: If you decide to replace the thermopaste yourself, note that disassembly Mi 9T It requires precision, because the display plumes and batteries are fragile, and we recommend using plastic mediators instead of metal tools to avoid damaging the body.
Overclocking and optimization of the processor: myths and reality
Many users are trying to squeeze the maximum out of the Snapdragon 730 with overclocking or custom firmware, so let's take a look at what really works and what's a waste of time.
Myth 1: "We can disperse. CPU/GPU through the engineering menu"
Reality: The Snapdragon 730 has a locked multiplier, and frequency change is only possible through a custom core (like Kiran Kernel), but performance gains rarely exceed 5-10%, and the risk of overheating and failure increases.
Myth 2: “Castom firmware (like LineageOS) speeds up a smartphone significantly.”
Reality: Firmware like LineageOS 20 or Pixel Experience can improve interface smoothness by not having Xiaomi’s “superfluous” services, but it has little impact on gaming performance, and some features (like a wide-angle camera) may not work properly.
Real Ways to Optimize:
- 🛠️ Shutdown MIUI Optimizations (requires root): This removes restrictions on background processes, but can increase battery consumption.
- 🔄 Use of the GPU Turnip Drivers: Alternative drivers for Adreno 618 could improve FPS play-off%.
- ⚡ Undervolting: lowering the voltage at the cores CPU/GPU (Kernel Auditor reduces heat without loss of performance.
Risks of overclocking and custom firmware
If you still decide to experiment, here is a step-by-step instruction for installing custom firmware:
1. Unlock the bootloader through the Mi Unlock Tool (requires binding Mi Account).
2.Install TWRP: fastboot flash recovery twrp.img
3. Make a backup of the current firmware (in TWRP: Backup → Select partitions).
4. Sweep through custom firmware (e.g., PixelExperience_plus_mi9t-13.0.zip).
5.Sweep Gapps (if required) and Magisk (for root).
6. Clear the cache (Wipe → Dalvik/ART Cache).Important: Before any manipulations, check the compatibility of the firmware with your modification Mi. 9T (For example, for davinci – global version, raphael – Chinese).
Comparison with Mi 9T Pro: Is it worth paying for the Snapdragon 855?
Along with Mi. 9T, Xiaomi has released a model Mi 9T Pro with Snapdragon 855 processor, and the price difference between them in the secondary market is about 30 to 50 percent.
| Parameter | Mi 9T (Snapdragon 730) | Mi 9T Pro (Snapdragon 855) |
|---|---|---|
| AnTuTu 9 | 250 000–270 000 | 360 000–380 000 |
| Games (PUBG Mobile, Ultra) | 40–50 FPS | 55–60 FPS |
| Recording 4K video | Yeah, but with heat. | Yeah, stable. |
| Autonomy | 1.5–2 days | 1-1.5 days |
| Price (2026, b/y) | 12 000–15 000 ₽ | 18 000–22 000 ₽ |
When to choose a Mi 9T Pro:
- 🎮 You play Genshin Impact, Call of Duty or other demanding games.
- 📹 You need a stable video recording in 4K@60fps (mi 9T maximum resolution — 4K@30fps).
- 🔄 You plan to use your smartphone for longer than 2-3 years (Snapdragon 855 remains relevant for longer).
When Mi is enough 9T:
- 📱 You need a smartphone for social networks, calls and easy games (Clash Royale, Brawl Stars).
- 💰 Budget limited (difference of 5,000–7,000) ₽ You can use it to replace the battery or cover).
- 🔋 Self-sufficiency is important (Snapdragon 730 less voracious).
💡
Mi 9T Pro is only suitable for gamers or those who need maximum performance. For most tasks (social networks, photos, videos) and enough standard version with Snapdragon 730.