Introduction: Why these models are compared
Choosing a budget smartphone from Xiaomi often boils down to a dilemma: Redmi 9A or Redmi 9C. Both models belong to the line of Redmi 9, Released in 2020, but have key differences that make them suitable for different categories of users.
At first glance, the difference seems small: both devices run Android 10 (upgrade to MIUI 12.5), are equipped with large batteries and support 4G LTE. However, on detailed analysis, it becomes clear that the Redmi 9C offers 30% better performance in games and multitasking thanks to the Helio G35 processor instead of the Helio G25 on the younger model.
1. Design and ergonomics: plastic vs plastic, but with nuances
Both smartphones are made of matte plastic, but the Redmi 9C has a more modern design with a gradient color (Midnight Grey, Sunrise Orange and Ocean Green options are available), while the 9A offers only monochromatic colors.
The dimensions of the model are almost identical:
- 📏 Redmi 9A: 164.9 × 77.07 × 9 mm, 194 s
- 📏 Redmi 9S: 164.9 × 77.07 × 9.0 mm, 196 s
The 2-gram difference is not noticeable, but the location of the fingerprint scanner is different: the 9C has it integrated into the power button (like flagships), and the 9A has a traditional rear scanner.
⚠️ Attention: Redmi's 9A absent IR-A blaster (infrared port), so it can't control appliances, which is critical if you plan to use your smartphone as a remote control.
Another nuance is splash protection. Both devices officially only have IP52s, but tests show that the 9C is better able to tolerate short-term water intake due to a denser assembly. Don't try this intentionally, but in everyday situations (rain, wet hands), the 9C is more reliable.
2.Screen: difference of 0.3 inches and 50 nits of brightness
Both models are equipped IPS-resolution-screen HD+ (720×1600), But there are key differences:
| Parameter | Redmi 9A | Redmi 9C |
|---|---|---|
| Diagonal | 6.53" | 6.53" |
| Brightness (max) | 400 nits | 450 nits |
| Contrast | 1000:1 | 1200:1 |
| Protection | Without oleophobic coating | Oleophobic coating of the 2nd generation |
In practice, the difference in brightness becomes noticeable in bright sunlight: text on the 9C is more comfortable to read, and the younger model does not have Reading Mode 2.0, which reduces the load on the eyes in 9C by filtering blue light.
Important for gamers: Redmi 9C touch sampling rate is 120 Hz vs. 60 Hz for 9A. This means that in dynamic games (for example, PUBG Mobile or Free Fire), the screen response will be faster by 50%.
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To check the actual brightness of the screen, turn on Auto Brightness in the settings, then manually set the slider to maximum. Compare the display of a white background in sunny weather.
3. Performance: Helio G25 vs Helio G35 - how noticeable is the difference?
This is the main point of comparison: both chipsets are built on a 12-nm process, but have different cores:
- 🔧 Redmi 9A: MediaTek Helio G25 (8 cores Cortex-A53 up to 2.0 GHz)
- 🔧 Redmi 9C: MediaTek Helio G35 (8 cores: 4×Cortex-A53 2.3 GHz + 4×Cortex-A53 1.8 GHz)
In synthetic tests, the difference is 25-30%:
- 📊 AnTuTu 8: 9A — ~85,000, 9C — ~110 000
- 🎮 3DMark Wild Life: 9A — 450, 9C - 600
- 📱 Geekbench 5 (Single-Core): 9A — 160, 9C - 185
In practice, this means that the Redmi 9C is better at:
- 🎮 Games in the middle settings (Call of Duty Mobile on "High", Genshin Impact on "Low")
- 📸 Photo/video processing in Google Photos or CapCut
- 🔄 Multitasking (simultaneous work 5)+ applications)
However, for basic tasks (social networks, YouTube, calls), the Redmi 9A is quite enough. The key point is the amount of RAM. The 9A has versions with 2/32 GB and 3/32 GB, while the 9C offers 3/64 GB and 4/128 GB. The difference of 64 GB versus 32 GB is critical if you store a lot of photos, videos or install heavy games.
⚠️ Attention: At Redmi 9A eMMC 5.1, 9S — UFS 2.1. This means that the reading/write speed of the 9From above 2 once (150 MB/s vs. 70 MB/s), which is noticeable when running applications. 💡If you choose between 3/32 GB (9A) and 3/64 GB (9C), you should pay only for the memory, not for the processor - the difference in performance is minimal at the same amount. RAM. 4. Camera: single vs triple - should we overpay? Here's Redmi 9C definitely wins thanks to the triple module: 📷 Basic: 13 MPP, f/2.2, PDAF (bal 9A — 13 MP without autofocus!) 🌄 Wide-angle: 5 MPP, 118° 🔍 Macro: 2 MPP, f/2.4 Redmi 9A has only one camera on it. 13 MP with fixed focus, which makes it almost useless for shooting from close range (less than the same). 50 centimeter). Examples of differences in practice: 🌅 Landscapes: 9C gives more saturated colors thanks to algorithms AI Scene Detection (9A They don't support them) 📸 Portraits: y 9C is a Bokeh mode with background blur (y) 9A He's gone) 🌙 Night photography: 9Using Night Mode 2.0, Which really improves the quality in low light Videos both models shoot in Full HD 30fps, but 9C is stabilizing (EIS), non- 9A. The difference is particularly noticeable when you're shooting with your hand: 5 MPP, f/2.2, but 9C is a regime. AI Beauty 5.0 With a more natural retouch, how to check the camera before buying?1. Take the text from a distance 30 sm 9A It will be blurry (no autofocus). 2. Try to take a photo in low light - 9C will be less noise. 3. Enable Portrait Mode – If it is not available, in front of you 9A. 5. Battery and charging: 5000 mAh vs. 5000 But not so easy, both models are equipped with a battery on the 5000 mAh, but battery life is different due to optimization: 🔋 Redmi 9A: before 18 videoplay, 30 call-off 🔋 Redmi 9C: to 20 video, 32 Call hours difference driven by more energy-efficient Helio processor G35 and the presence of Ultra Battery Saver mode in the 9C, which turns off background processes more aggressively. Charging speed is the same: 10 Watt (5V/2A). The full cycle takes ~2.5 The key disadvantage of both devices is the lack of fast charging and Type-C (using the outdated Micro-USB). 100% You will need to leave your smartphone overnight. ⚠️ Attention: Complete with Redmi 9A charger goes to 5 Wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-wh-w 9C is completed by a block on 10 Watt. If you buy it. 9A, Buy 10W charging right away (e.g. Xiaomi) MDY-11-EP) — This will reduce charging time by 30%, and it is recommended to extend the battery life in both smartphones: 🔌 Do not keep on charging for more than 8 hours 🌡️ Avoid overheating (do not play while charging) 🔄 Perform full discharge/charging cycle 6. Software and updates: MIUI 12.5 and beyond Both models originally shipped with Android 10 and a shell MIUI 12, but as of 2026 received an update to MIUI 12.5 (based on Android 11) Key differences in support: 📱 Redmi 9A: latest major update — MIUI 12.5 (no more will be received) 📱 Redmi 9C: Got it. MIUI 13 (based on Android 12) and expected MIUI 14 This means that the 9C will receive security updates until at least 2026, while 9A It is already on the verge of ending support. Among the useful features available only in 9S: 🔒 App Lock 2.0 (fingerprint protection) 📊 Game Turbo 3.0 (gamer optimization) 🌐 Dual Apps (Cloning Messengers) in Redmi 9A These are either missing or running in a stripped-down form. Both devices support unlocking the bootloader and installing custom firmware (such as LineageOS), but the unlock process is on the back of the device. 9A It's more complicated because of the outdated version of Fastboot. ☑️ What to do after buying Xiaomi?Update firmware through Settings → About the phone Turn off advertising in MIUI (Settings → Additionally. → Advertising)Tune your fingerprint Install Google Camera (GCam) for the best photos: 0 / 4 7. Price and availability in 2026 Year: Is it worth paying over? In the secondary market and in official stores, the prices of models fell significantly: 💰 Redmi 9A (3/32 GB): 6 000 — 8 000 ₽ 💰 Redmi 9S (4/64 GB): 9 000 — 11 000 ₽ 💰 Redmi 9S (4/128 GB): 10 000 — 13 000 ₽ The difference 3 000 — 5 000 ₽ Justified if you need it: 📸 Triple camera with autofocus 🎮 Best performance in games 🗃️ More memory (64/128 GB) 🔄 Longer Update Support If your tasks are limited to calls, instant messengers and YouTube, Redmi 9A It's more than enough. It's worth considering that 9It is better to keep the value when reselling – in a year you can sell it on the market. 20-30% more expensive 9A. Where to buy better: 🛒 Official stores (Mi Store, Svyaznoy, M. Video) - guarantee 12 months, but the price is higher 🌍 Marketplace (Avito, Yula) - cheaper on the market 15-20%, The risk of buying a gray phone 📦 AliExpress – only if the seller has a rating 98%+ and reviews of original products 💡Overpayment for Redmi 9C is justified only when buying a version 4/128 GB. Models. 3/64 GB and 3/32 GB (9A) They are almost identical in everyday use. FAQ: Answers to Frequent Questions 🔍 Is it possible to Redmi? 9A set up SIM-- The cards and the memory card at the same time? 9A Hybrid Slots: either two Nano-SIMs or one SIM + microSD (up to microSD) 512 GB. In Redmi. 9C the situation is similar. 🎧 Are there any of these models? 3.5-Yeah, both models are equipped. 3.5-It's a headphone jack, and it's a Redmi. 9C supports Hi-Res Audio (up to) 24 bit/192 kHz, whereas 9A limited by standard quality. 🔄 Can Android be upgraded to the latest version on these smartphones? 9A No more updates, the latest version for him: MIUI 12.5 (Android 11). Redmi 9Update to MIUI 14 (Android 12), Android 13 and newer are not officially supported. 📡 Do these phones support? 5G? No, both models only work on networks. 2G/3G/4G LTE. Maximum Internet speed – up to 150 Mbit/s (Cat.4). 🛠️ Can you replace the battery at the service center? Yes, but the cost of replacing it is ~2 500 ₽ (Self-replacement is not recommended - there is a high risk of damage to the plumes.